SpeedCE Technical Documentation

SpeedCE — Multi-node website / IP speed test (HTTP / HTTPS / PING / TCPing / DNS / Traceroute)
Contact: speedceads@gmail.com

Click any title below to open the Markdown article in this repository.

Community forum: bbs.speedce.com — questions, map screenshots, and route discussions

Stats

Item	Count
Articles in repo	210
Avg length	~33,408 characters

Article index

Links point to Markdown source under articles/.

Troubleshooting (38 articles)

• 502/503 and Origin Overload: When CDN Is Green but Origin Is Red
  502 means gateway got bad response; 503 means temporarily unavailable. Users on CDN see 502—could be edge, but more oft…
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• API Availability Testing Guide: Why Postman Works but Nationwide Users Don't
  API failures surface last: frontend cache still serves pages; apps hit APIs and fail immediately. SpeedCE HTTPS probes …
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• Stale Cache: CDN/Browser Cache vs Network Layer Comparative Troubleshooting
  You fixed the server; users still see old page—likely cache. SpeedCE probes live network response; add random query or …
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• CORS Errors vs Network Failure: Two Layers Developers Must Separate
  Map all green + browser CORS error—congrats, network works; server headers missing. SpeedCE rules out network, then che…
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• Database Killing the Site: Network Green but Page Timeout—Application Layer Triage
  SpeedCE green + page timeout—network is fine; check MySQL slow queries and connection pool exhaustion. Network first, a…
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• Using Multi-Node Speed Tests During Attacks to Assess Impact
  Speed tests don't replace DDoS protection, but when nationwide nodes turn red and latency spikes together, plus traffic…
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• Slow DNS Propagation: TTL, Carrier Cache, and Regional Resolver Differences
  DNS doesn't change worldwide at once. TTL=86400 means up to 24 hours worst case. SpeedCE every 10 minutes—random fading…
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• Complete DNS Troubleshooting Guide: When "Some Regions Can't Open" After Migration or CDN Switch
  DNS changed and works instantly for you; colleague in Xinjiang still sees old IP—not their PC, but resolver chains out …
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• Docker Port Mapping Errors: Container OK Inside, Nationwide Users Can't Connect
  docker run -p mistakes show as nationwide red while curl localhost works—accept published ports with external probes.
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• Email Link Tracking Domains: Network Troubleshooting for Marketing Click Failures
  Campaign clicks fail when tracking domain blocked—probe mail.example.com separately from www.
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• Cloud Security Group Acceptance: Four Checks When the Nationwide Map Is Mostly Red
  Classic beginner mistake: SSH works, website all red nationwide—security group allows 22 but not 443. Before blaming ro…
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• gRPC/HTTP2 Gateway: REST Reachable vs gRPC Failure Division
  REST API green via SpeedCE; gRPC may still fail—separate acceptance for gRPC gateways.
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• Compression and Timeouts: Reachable but Extremely Slow on Large Responses
  Site "works" but TTFB huge—compression misconfig or proxy timeout. Network green, user experience red.
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• HTTP/HTTPS Redirect Failures: Forced HTTPS, Redirect Loops, and Mixed Content Triage
  301 loops, http and https on different machines, page assets still on http—users see varied symptoms. SpeedCE HTTP/HTTP…
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• Intermittent Website Fault Diagnosis: Scientific Checkpointing for "Sometimes Slow, Sometimes Fine"
  Intermittent faults are ops nightmares: always fine when you test, broken when users complain. Single probes aren't eno…
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• IPv6 Dual-Stack Acceptance: AAAA Records, Firewall, and CDN Complete Check
  IPv4 all green doesn't mean IPv6 is fine. Dual-stack sites need separate IPv4 and IPv6 target tests.
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• Kubernetes Ingress Failures: Cluster Internal OK, Public Domain Red
  kubectl works inside; public URL red—Ingress, LB, and cert are separate from pod health. SpeedCE tests the public path.
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• Let's Encrypt Rate Limits and Renewal Failures: When HTTPS Suddenly Goes Red Nationwide
  Cert renewal hit rate limit at 3 AM—HTTPS nationwide red. SpeedCE confirms cert layer; fix ACME and renew.
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• Load Balancer and Health Checks: Half Green Half Red Architecture Patterns
  Multiple backends, one down—DNS round robin or bad LB config feels like "sometimes works." Multi-node probes + repeated…
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• Mixed Content and HTTPS: Network Green but Browser Still "Not Secure"
  SpeedCE tests site reachability; mixed content is http:// assets on HTTPS pages. Clear division—don't waste time on net…
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• Mobile Network Access Issues: Why Mobile Users Complain the Most
  China Mobile users exceed 50%, but many "optimized routes" only help Telecom/Unicom. Skip Mobile map = ignore half your…
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• MySQL Connection Timeout vs Site Timeout: Full Layered Triage When Network Is Green
  Green map + spinning page often means DB pool or slow queries—not CDN. Layered triage order.
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• Nginx Reverse Proxy Troubleshooting: 8 Typical Config Errors When Main Site Is Green but API Is Red
  Nginx fronts countless sites. One wrong server_name or missing proxy_pass means homepage works, APIs die. Postman works…
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• OAuth Callback Domain Verification: Network-Layer First for Login Failures
  OAuth login fails—probe callback URL from nationwide nodes before blaming SDK.
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• Payment Callback URL Reachability: Nationwide Probes on Callback Domains
  Payments fail silently when callback domain blocked in one province—accept notify URLs on three carriers.
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• Peak-Hour Slowdown: Retest Strategy When Afternoon Is Green but Evening Turns Red
  Bandwidth, international egress, attack traffic—peak hours are the truth mirror. Sellers show test IP in afternoon; you…
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• Redis Connection Failures: When to Test Network Before Cache Layer
  Redis down causes 500s with green network maps—know when to stop probing and open redis-cli.
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• Only Some Regions Can't Open? Use Maps to Pin Province, Carrier, and Next Steps
  "Only Xinjiang" or "only Mobile"—averages and success rates don't help. Maps are the language of regional faults. Speed…
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• Single-Carrier Fault: When One of Telecom/Unicom/Mobile Is All Red
  Split three carriers—one all red shrinks fault domain by 66%. Route issue, CDN per-carrier config, or carrier DNS? Comp…
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• SNI Mismatch: Partial HTTPS Failures with Multiple Certs on One IP
  Some nodes red, some green on same domain—classic SNI or wrong default cert. Test HTTPS from multiple regions.
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• SSL Certificate Expiry and Misconfiguration: 10-Minute Playbook When Users See "Connection Not Secure"
  Certificate issues torture ops: your browser works, users mass-report "your connection is not private." Local HSTS cach…
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• Complete Subdomain Troubleshooting: 8 Independent Reasons When Main Site Works but API Fails
  www.example.com and api.example.com have separate DNS, certs, Nginx, and CDN configs. Main green ≠ subdomain green—ever…
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• Third-Party Scripts Breaking Pages: Main Domain Green but Features Broken
  Payment, analytics, chat widgets on third-party domains—main site green doesn't mean checkout works. List every critica…
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• TLS Version Too Low: Regional HTTPS Failures on Old Clients vs New Security Policy
  Disabled TLS 1.0 may break legacy clients in specific regions—map pattern differs from cert expiry.
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• WAF False Positives and Probe Anomalies: Are Sporadic Red Dots a Block?
  WAF, CC protection, geo block—may only hit some probe IPs, showing sporadic red not whole-province red.
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• Complete Website Migration Handbook: 72-Hour Speed Test Acceptance for DNS, Origin, and CDN
  Migration is among the most stressful changes. SSH on new box looks perfect, but DNS propagates globally and CDN may st…
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• WebSocket/WSS Long Connections: SpeedCE HTTPS Limits and Real-Time Business
  HTTPS green doesn't prove WebSocket upgrade works—know SpeedCE boundaries for chat and gaming.
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• WeChat/QQ Can't Open: Standard Split Between Network Layer and Compliance
  Browser works, WeChat doesn't—not always server fault. SpeedCE excludes network layer; blocking/ICP/content need BOCE a…
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VPS Routing (29 articles)

• AWS Lightsail China Access: Global Green, China Slow Common Pattern
  Lightsail often looks great globally and mediocre to China—expected pattern; decide if China audience needs different a…
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• BandwagonHost CN2/GIA Package Acceptance: Classic Vendor Map Method
  Classic CN2/GIA vendor—still verify every new IP on maps; routes change with upstream contracts.
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• Bare Metal Dedicated Line: Enterprise Leased Line Map Acceptance
  Enterprise dedicated lines still need proof for branch offices nationwide—maps for SLA disputes.
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• Real vs Fake BGP: Three-Carrier Balance Is the Acceptance Standard
  True BGP: Telecom, Unicom, Mobile all usable. Fake BGP: Telecom green, Mobile red. SpeedCE three-carrier split is the m…
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• Ultra-Low-Price VPS Traps: Six Danger Signals Visible on Maps
  Too cheap often means oversold routes, blocked IPs, or Mobile disaster. Maps surface six red flags before you pay.
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• First Step on New Cloud Server: Security Group and Firewall Before Route Talk
  Nationwide red—don't refund yet—maybe 443 closed. SpeedCE HTTPS red + SSH works = security group issue.
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• CMI Mobile-Optimized Route Acceptance: Mobile Users Are Half Your Audience
  Skip Mobile map = abandon half your users. Whether CMI/CMIN2 is real optimization—maps decide.
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• CN2 GT vs CN2 GIA: Speed Test Verification Behind Marketing Claims
  Two letters difference, one tier of experience. GT may congest at peak; GIA costs more but stable. Trust three-carrier …
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• Colocation vs Public Cloud: Map Acceptance Differences After Same Workload Choice
  Colo BGP vs cloud EIP—acceptance methodology same, interpret neighbor and BGP claims differently.
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• Post-DC-Failover Emergency Verification: 24-Hour SpeedCE Checkpoint SOP
  After emergency hardware swap, don't assume parity—run scheduled SpeedCE checkpoints for 24 hours on three carriers.
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• Dedicated Server vs VPS Route Acceptance: IP Segment, Neighbors, and Test Notes
  Dedicated IPs behave differently from shared VPS neighbors. Acceptance still ends on three-carrier maps with neighbor n…
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• Europe VPS Return Routes to China: Real Experience from DE/FR/NL DCs
  European VPS looks cheap; return to China is the hard part. Map acceptance from China nodes is mandatory for domestic u…
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• GCP/Azure China Access: Enterprise Cloud Map Assessment for Domestic Teams
  Enterprise cloud console is smooth; domestic team VPN/admin may not be—map team access paths.
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• Home Broadband vs Nationwide Nodes: Why Your Fast Ping Doesn't Mean Users Are Fast
  Your home ping is one sample on one carrier in one province. Nationwide probe nodes represent real user distribution.
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• Hong Kong VPS Route Selection and Acceptance: Personal Sites, E-Commerce, and API Scenarios
  Hong Kong is familiar to Chinese users: low latency, no ICP for many cases, fair bandwidth pricing. But CN2, CMI, BGP c…
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• Japan VPS for Which Workloads: Tokyo/Osaka DCs and Three-Carrier Return Route Acceptance
  Japan VPS is cheap with good bandwidth and streaming-friendly, but return routes to China vary. Test seller IP on Speed…
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• Korea VPS Route Review: Close to China ≠ All Three Carriers Good
  Geographic proximity doesn't guarantee Telecom/Unicom/Mobile quality. Test maps, especially Mobile, before commit.
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• Off-Peak vs Peak VPS Testing: Why Good Routes Need Two Tests
  Afternoon test IP looks great; peak hour tells truth. Quality routes must pass both windows.
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• Oracle Cloud Free Tier Acceptance: Zero-Cost Machine Map Standards
  Free tier is tempting—accept on maps anyway; blocked or congested free IPs waste setup time.
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• ICMP Blocked ≠ Bad Route: Reading PING Red with HTTPS Green
  Newbies panic on ping timeout. Cloud default ICMP block is normal. Acceptance standard: HTTPS success ≥ 90%.
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• RackNerd / DMIT and Hot Vendors: Refund-Period Map Acceptance Template
  Popular low-cost vendors need same evidence chain—three carriers, peak hour, screenshot archive in refund window.
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• Singapore VPS Acceptance: Southeast Asia Hub and Dual China/Global Map Testing
  Singapore is Asia-Pacific hub—for China return and Southeast Asia traffic. Dual view: China nodes for return, global fo…
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• Taiwan VPS Acceptance: Latency Advantages vs Marketing Claims
  Taiwan often shows low latency, but carrier routing and political/network factors need map verification—not brochure la…
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• US VPS Three-Carrier Return Route Guide: West Coast DC Verification and Mobile Users
  US VPS is cheap and roomy, but return path is long. Telecom may be OK; Mobile often disaster. Don't trust "LA 150ms"—th…
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• Used IP Segment Warning Signs: Blocked or Flagged IPs on Nationwide Maps
  Cheap recycled IPs may be blocked or blacklisted. China all red + global green is a classic warning pattern before purc…
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• Before You Buy a VPS: Verify Routes with Nationwide Carrier Maps and Spot Fake CN2 Claims (SpeedCE Playbook)
  In HostLoc threads, buyers say "my ping is 28ms" and sellers claim "three-carrier direct"—a week later Mobile users com…
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• VPS 7-Day Refund Acceptance Checklist: Screenshots, Three Carriers, Peak Evidence
  Refunds need evidence: three-carrier screenshots + success rates + peak comparison—100× better than forum "feels slow."
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• VPS Before and After CDN: Map Comparison for CDN Go/No-Go Decisions
  Data beats opinions: same target with and without CDN on three-carrier maps—does latency and success improve enough to …
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• Vultr DC Route Acceptance: Picking Tokyo/Singapore/LA by Workload Maps
  Vultr has many regions—accept each candidate IP on China three-carrier maps before annual prepay.
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CDN (23 articles)

• Alibaba Cloud CDN Acceptance: Origin, Certificate, Warmup, and Three-Carrier Checks
  Aliyun CDN has many knobs—origin, HTTPS cert, cache rules. Three-carrier SpeedCE maps are the final acceptance gate.
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• AWS CloudFront China Access: Global Distribution vs Domestic Experience
  CloudFront global green doesn't promise China speed—accept with China nodes and consider China-specific CDN if needed.
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• Bunny CDN Value Routes: Global Node Map Acceptance
  Budget CDN still needs per-country and China acceptance if you have that audience.
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• CDN Cache vs Active Probing: Why First Request Slow, Second Fast
  Probes hit cold cache differently than users. Understand cache layer when interpreting first vs repeat SpeedCE results.
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• CDN Certificate vs Origin Certificate: Both Sides Must Be Green
  Edge cert can be fine while origin TLS breaks backhaul—or reverse. Test CDN hostname and origin separately.
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• CDN Cutover 72-Hour Monitoring: Hour-by-Hour from T+0 to T+72
  CDN switch isn't done at DNS flip. Hourly SpeedCE checkpoints for 72 hours catch stubborn provincial cache and node gap…
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• CDN Deployment Playbook: Multi-Node Speed Test Acceptance Before, During, and After Cutover
  CDN enabled but some users can't open? The issue is usually not "is CDN on" but wrong acceptance method. Comparative te…
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• CDN Origin Failure Complete Troubleshooting: Edge, Timeout, and Origin Comparison
  CDN red often traces to origin, not edge. Always pair CDN hostname map with origin IP map.
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• CDN WebSocket/Live Stream Reachability: Acceptance Boundaries
  SpeedCE HTTPS probes don't equal WebSocket or RTMP health. Know tool boundaries; supplement with stream-specific checks.
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• Cloudflare Orange Cloud and China Access: Complete Acceptance Handbook
  Cloudflare on doesn't mean China is fast. Orange cloud changes path—accept with China node maps and origin comparison.
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• DCDN vs Standard CDN: Acceptance Standards and SpeedCE Comparative Method
  Full-site acceleration vs static CDN—different failure modes. Accept each with comparative origin tests.
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• Edge Functions/Workers Failures: Main Domain Green but Rules Not Applied
  Workers and edge rules fail independently of origin. Test both default route and rule-triggered paths.
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• Fastly CDN Acceptance: Edge Rules and Origin Comparative Speed Tests
  Fastly power users need edge rule validation plus origin comparison on every critical hostname.
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• Font CDN and Google Fonts: China Load Failure and Speed Test Division
  fonts.googleapis.com blocked in China—SpeedCE confirms font domain reachability; fix with local mirror.
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• Is Free CDN Enough? Personal Site Decisions with Nationwide Map Data
  Free tiers have limits—nodes, HTTPS, China path. Use map data to decide if free CDN meets your audience or upgrade is m…
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• Huawei Cloud / Baidu Cloud CDN Acceptance and Three-Carrier Map Standards
  Domestic cloud CDNs need same rigorous three-carrier acceptance as any vendor—console green isn't user green.
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• Image CDN with WebP/AVIF: Static Domain Nationwide Acceptance
  Modern image formats on separate img CDN—Mobile carriers especially need img domain maps.
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• Multi-CDN Trial Map Comparison: Scientific Vendor Selection on Same Domain
  Run parallel trials—same content, different CDN—compare three-carrier maps during trial window before annual contract.
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• Overseas CDN China Acceleration Pack: When Global Green but China Slow
  Global map green, China red on overseas CDN is common. Decide if China pack, domestic CDN, or separate .cn is needed.
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• Qiniu CDN Onboarding: Domestic Site Speed Acceptance Checklist
  Qiniu is common for China static/video—three-carrier acceptance after bucket and domain bind.
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• Static Asset CDN Split Acceptance: Independent Speed Test for js/css Domains
  js.example.com and www.example.com are separate DNS/CDN/certs. Test every public static domain on the checklist.
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• Tencent Cloud CDN Acceptance: Static vs Full-Site Acceleration and Speed Test Points
  Static CDN vs DCDN behave differently on acceptance. Map test each product mode against origin.
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• Upyun CDN Acceptance: Image Sites and Static Acceleration Map Standards
  Image-heavy sites on Upyun—test img domain separately from www on Mobile carriers.
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Global Expansion (22 articles)

• Global API Rate Limits and Geo Blocks: Green Map but 403 Responses
  Network reachability ≠ HTTP 200. Map green with 403 means app-layer geo or rate rules—know tool boundary.
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• App Store Review Period Servers: Overseas Review Node Reachability
  Apple review runs from specific regions—probe API endpoints from US/EU nodes during review window.
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• Global Green, China Red: Standard Workflow for Blocking and Compliance Questions
  Overseas site working worldwide but not China may be GFW, ICP, or routing—not always "fix the server." Structured decis…
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• Cross-Border E-Commerce Speed Test Guide: Shopify/WooCommerce and Pre-Sale Acceptance
  Black Friday doesn't forgive slow checkout. Pre-sale map acceptance on payment and storefront domains in target countri…
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• Cross-Border Sale Prep: Black Friday/Christmas Speed Test Checklist
  Holiday traffic spikes expose weak CDN and payment domains. T-7 to T+0 schedule with SpeedCE on all conversion paths.
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• Dual .cn and .com Strategy: Split Domain Speed Tests and Compliance Roles
  .cn and .com often serve different audiences and compliance regimes—test and accept each domain independently.
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• EU/US Users Slow: Origin, CDN, and DC Location Triangle
  Fixing EU slowness isn't one knob—origin location, CDN PoPs, and database region interact. Map each leg.
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• Game Global Server Placement: Player Distribution vs Global PING Maps
  Place shards where players are—overlay player geo data with SpeedCE global ping maps before launch.
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• GDPR and Cookie Walls: European User Access Network Baseline
  Cookie consent walls don't affect TCP—but geo-blocked EU users show red maps; separate compliance vs network.
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• GeoDNS Verification: Speed Testing When Resolvers Return Different IPs by Region
  GeoDNS means Beijing and Berlin resolve differently—probe from multiple regions and compare resolved targets.
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• Global Website Launch Acceptance: Complete Checklist from China Nodes to Worldwide Probes
  Your .com opens instantly in Shanghai; German customers see spinning wheels—the test perspective is wrong. Global launc…
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• Global Team Accessing China Admin: Dual-Map Collaboration and Acceleration Options
  Engineers abroad need China admin; China team needs global SaaS—dual maps expose both directions and guide acceleration…
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• Latin America Node Acceptance: Brazil and Mexico Priority Map Standards
  LATAM latency varies hugely—accept São Paulo and Mexico City explicitly for regional products.
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• Middle East and Africa Node Acceptance: Emerging Market Map Targets
  MEA growth markets need explicit probe targets—don't assume European CDN covers Lagos or Dubai well.
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• Multilingual Global Delivery: hreflang and Per-Locale Reachability Acceptance
  Each locale path or subdomain may hit different CDN rules—accept every public locale URL from target regions.
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• Self-Hosted Notion-Like Tools: Global Team Access Acceptance
  Self-hosted collaboration replaces Notion—accept from every employee region, not just HQ.
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• Overseas Live Streaming and Video Conference Node Selection: Latency-Sensitive Map Standards
  Streaming needs low jitter to target viewers—map latency percentiles in viewer countries, not just average.
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• Global SaaS Launch Acceptance: Target Market Success Rate Playbook
  Launch where customers are—not where your team is. Target-country nodes must hit ≥95% before marketing spend.
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• Shopify Store Global Reachability: Theme, Payment, and App Domain Layered Tests
  Shopify stacks domains—storefront, checkout extensions, apps—probe each layer in buyer countries.
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• Southeast Asia Market Node Acceptance: SG/MY/TH/ID/PH per-Country Targets
  SEA isn't one market—accept per country with global nodes focused on each target, not just Singapore hub.
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• Global Payment Domain Checks: Payment Page and Callback URL Independent Probes
  Stripe and payment pages live on separate domains—checkout can fail while marketing site is green. Test payment URLs pe…
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• WooCommerce Global Acceptance: Plugins, Payment Gateways, and Main Domain Checklist
  Self-hosted WooCommerce multiplies domains—payment plugin callbacks need independent nationwide/global probes.
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Industry (25 articles)

• Corporate Website SLA: Reporting Availability with Success Rate Data to Management
  Executives want numbers—not "seems fine." Monthly SpeedCE success rates by carrier become SLA evidence.
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• Discuz Share Links: Main Site vs Share Domain Layered Speed Tests
  QQ/WeChat share previews hit share domains—test share.example.com apart from forum root.
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• Download Site Reachability vs Bandwidth: Probing vs Download Speed Division
  SpeedCE proves reachability; large file throughput needs download tests. Both matter for mirror sites.
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• E-Commerce 618/Double-11 Prep: Multi-Node Speed Test Battle Plan
  Domestic mega-sales need three-carrier maps on storefront, API, payment, and static domains—T-7 through T+0.
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• Fintech/Medical Website Network Baseline: HTTPS, Certificates, and Multi-Site Acceptance
  Regulated industries need auditable network baselines—HTTPS success, cert validity, and DR site maps on record.
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• Forum Community Nationwide Reachability: Discuz/Flarum Three-Carrier Acceptance
  Forums spike on controversy and events—baseline three-carrier acceptance prevents "only my province can't post" crises.
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• Private Game Server Community: Building Trust with Nationwide PING Maps
  Player trust grows when admins post SpeedCE ping maps—not verbal "low ping." Transparency reduces churn accusations.
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• Ghost Blog Deploy: Headless and Theme Domain Speed Tests
  Ghost admin vs public theme may differ—accept both public URLs on HTTPS.
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• Government/Public Sector Sites: Nationwide Availability and IPv6 Dual-Stack Standards
  Public sites face stricter availability and IPv6 mandates—documented three-carrier and dual-stack acceptance.
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• Hexo/Hugo Static Site Launch: GitHub Pages vs Self-Hosted Map Comparison
  Static generators still need HTTPS and CDN acceptance—compare GitHub Pages vs own VPS/CDN on China if relevant.
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• Hospital Appointment System Network Baseline: Peak and Mobile User Acceptance
  Healthcare portals must work on Mobile for elderly users—strict three-carrier acceptance and peak drill.
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• Spring Boot API Nationwide Acceptance: Gateway, Certificates, and Subdomain List
  Java microservices multiply public hosts—gateway, auth, API each need probe checklist.
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• Laravel/PHP Site Launch: FPM, Nginx, and Nationwide HTTPS Acceptance
  PHP-FPM pool misconfig shows as intermittent 502 with partially green maps—network first, then FPM.
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• Mini Program Backend API Nationwide Acceptance: Legal Domain, ICP, and Mobile Network
  WeChat mini programs require reachable APIs on allowed domains—Mobile network acceptance is non-negotiable in China.
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• Mobile App API Domain Monitoring: iOS/Android Mismatch Network Troubleshooting
  When iOS and Android users disagree, compare API domain maps on Mobile vs Telecom and check DNS split.
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• News Media Peak Traffic: Nationwide Checkpoint SOP Before Breaking Stories
  Viral articles spike in minutes—pre-publish SpeedCE checkpoint on origin and CDN prevents national embarrassment.
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• Next.js/Nuxt SSR Deploy Acceptance: Node Service and CDN Layered Speed Tests
  SSR adds origin compute layer—accept Node directly and through CDN with separate maps.
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• Online Education Platform Pre-Class Acceptance: Video, Live, and API Domains
  Class start failures damage refunds and reputation—accept video CDN, live push/pull, and API on three carriers before s…
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• Personal Blog Launch Acceptance: Hexo/Hugo/WordPress Universal Speed Checklist
  Even small blogs deserve nationwide HTTPS acceptance before you share the link—especially on Mobile carriers.
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• Django/Flask Deploy Speed Tests: WSGI and Application Layer Division
  Gunicorn/uwsgi behind Nginx—accept public URL, not just manage.py runserver on localhost.
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• Recruitment Site Peak Acceptance: Pre-Campus-Season Nationwide Checkpoint
  Campus hiring spikes mobile traffic on careers pages—accept before September rush.
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• B2B SaaS Demo Environment: Map Acceptance in Prospect Regions
  Demo URLs that fail in prospect's province kill deals—probe demo domains from their country/region before calls.
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• Typecho/Emlog Lightweight Blogs: Small Sites Still Need Nationwide Acceptance
  Lightweight doesn't mean skip probes—personal blogs go viral too; Mobile acceptance matters.
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• VOD Site Acceptance: Playback Domain, CDN, and API Three-Domain Tests
  Video sites fail on CDN play domain while www is fine—three-domain acceptance standard.
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• WordPress Troubleshooting: White Screen, 502, and Plugin Conflicts—Network Layer First
  WP issues masquerade as network faults. SpeedCE green means shift to PHP/plugins; red means fix infra first.
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Methodology (23 articles)

• A/B Comparative Speed Testing: CDN vs Origin, Before/After Migration, Competitors
  Single-target tests lie; pairs reveal truth. Systematic A/B methodology for every major infra decision.
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• Calendar Reminder Inspections: Embed Speed Tests in Google Calendar/Feishu
  Recurring calendar events with SpeedCE checklist link—ops hygiene via reminders.
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• Customer Support Speed Test Scripts: 20+ Professional Replies for "Can't Open"
  Stop saying "works for me." Copy-paste scripts with map data, scope, and next steps for support teams.
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• 2026 Free Speed Test Tool Decision Tree: SpeedCE/ITDOG/BOCE by Scenario
  No single free tool does everything—pick by scenario with this decision tree.
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• How to Read Speed Test Maps: Green/Red/Gray, Latency, and Success Rate Explained
  Maps intimidate newcomers—this guide decodes every color and metric so one screenshot tells a story.
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• Speed Test Data in Incident Reports: Professional Postmortem Writing Templates
  Postmortems without probe timestamps and maps look amateur—templates for timeline + geographic impact.
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• Monthly Website Inspection SOP: 15 Minutes Personal, 1 Hour Enterprise
  Monthly rhythm catches drift before users do—scaled SOP for personal blogs vs enterprise properties.
  🌐 Read online

• On-Call First 5 Minutes: How to Run SpeedCE After an Alert
  Alert fires—first five minutes set incident trajectory. SpeedCE protocol for on-call before deeper dives.
  🌐 Read online

• On-Call Runbook Speed Test Chapter: 5-Minute SOP After Alerts
  Embed SpeedCE steps directly in runbook—protocol, scope, screenshot filename, escalation triggers.
  🌐 Read online

• Blameless Postmortem Speed Evidence: Timelines and Maps in Writeups
  Great postmortems include probe timestamps and geographic impact maps—not just "DNS issue."
  🌐 Read online

• Pre-Launch 30-Item Checklist: Including 8 Mandatory Multi-Node Speed Tests
  Launch gates prevent Friday night disasters—eight SpeedCE items among thirty before go-live.
  🌐 Read online

• SpeedCE Tool Selection Guide: HTTP, HTTPS, PING, TCPing, DNS & Traceroute
  SpeedCE's tool dropdown now bundles six probes. Wrong tool wastes incident hours—this guide maps each scenario to the r…
  🌐 Read online

• Quarterly Infrastructure Review: Map Trends, Degradation, and Upgrade Decisions
  Quarterly side-by-side maps reveal slow degradation—upgrade CDN or routes before success rate cliff.
  🌐 Read online

• Regex Subdomain Discovery: Automation Ideas for Missing Domain Inventory
  Cert transparency and DNS logs help find forgotten hosts—then SpeedCE monthly inventory.
  🌐 Read online

• Speed Test Screenshot Archive SOP: Standards for Tickets, Forums, and Incident Reports
  Screenshots without metadata are useless. Filename, time, protocol, target—archive SOP for defensible evidence.
  🌐 Read online

• Monthly SLA Report Template: Success Rate Data for Management
  Turn SpeedCE monthly archives into executive SLA slides—formula and template included.
  🌐 Read online

• SpeedCE + BOCE Collaboration: Compliance and Blocking After Network Layer Cleared
  Network green but WeChat won't open—BOCE for blocking/ICP after SpeedCE clears reachability.
  🌐 Read online

• SpeedCE + ITDOG Golden Combo: Map Patrol and Continuous Ping Collaboration
  SpeedCE for geographic picture; ITDOG for continuous ping curves—pair for intermittent and regional issues.
  🌐 Read online

• Network Probing vs PageSpeed: Reachability vs Performance Decision Order
  Page can score 100 yet be unreachable in Xinjiang. Test reachability first, performance second.
  🌐 Read online

• Active Probes vs 24/7 Monitoring: SpeedCE's Place in Ops Stack
  Probes are snapshots; monitoring is history—both needed, different jobs. Where SpeedCE fits in on-call.
  🌐 Read online

• New Ops Hire Day One: SpeedCE and Toolchain Training Handbook
  Onboarding checklist—SpeedCE first, then ITDOG, BOCE, monitoring, and change gates.
  🌐 Read online

• Three-Carrier Split Testing Complete Guide: Why Telecom, Unicom, Mobile Must Be Separate
  Averaging three carriers hides Mobile disasters. Split maps are mandatory for China audience acceptance.
  🌐 Read online

• Cloud/CDN Vendor Tickets: Screenshot Standards and Description Templates
  Vendors ignore vague tickets—attach three-carrier maps with UTC time, target, protocol, success rate.
  🌐 Read online

Comparison (15 articles)

• 17CE vs SpeedCE: Legacy Table Tool vs Modern Map Tool in Practice
  17CE veterans vs SpeedCE maps—feature overlap, gaps, and migration tips for daily patrol.
  🌐 Read online

• Alibaba Cloud Synthetic Monitoring vs SpeedCE: How Aliyun Users Pair Both
  Same-cloud synthetic probes vs independent SpeedCE maps—complementary acceptance for Aliyun-hosted sites.
  🌐 Read online

• CESU.ai vs SpeedCE: Emerging Tool Site vs Map-First Probe Comparison
  New tools appear yearly—compare CESU.ai features against SpeedCE map workflow for daily patrol.
  🌐 Read online

• Chinaz Toolkit Ecosystem vs SpeedCE: Ping/Speed/Whois Division of Labor
  Chinaz offers many utilities—when to use which vs SpeedCE geographic HTTPS maps.
  🌐 Read online

• Developer 2026 Bookmark Bar: 12 Links for 90% of Network Incidents
  Curated bookmark bar—SpeedCE first, then ITDOG, BOCE, PageSpeed, and status pages.
  🌐 Read online

• GTmetrix vs SpeedCE: Performance Testing vs Network Probing Division
  GTmetrix waterfall vs geographic reachability—orthogonal; run both before launch.
  🌐 Read online

• Map vs Table Speed Tools: Troubleshooting Efficiency Compared
  Tables excel at numbers; maps excel at geography—for regional faults, maps win minutes to resolution.
  🌐 Read online

• Monitoring Platforms vs Probe Tools: 24/7 Alerts and First Response
  PagerDuty tells you something broke; SpeedCE tells you where—integrate both in runbooks.
  🌐 Read online

• PageSpeed Insights vs Network Probing: Division Site Owners Must Understand
  Lighthouse scores don't replace "can users in Gansu open it?"—orthogonal metrics, both required.
  🌐 Read online

• Ping.pe Complete Guide: Complementary Global/China Strategy with SpeedCE
  Ping.pe for quick global ping matrix; SpeedCE for China carrier maps—complementary not redundant.
  🌐 Read online

• SpeedCE vs BOCE Complete Comparison: Lightweight Maps vs Full Ops Toolkit
  BOCE does more than reachability; SpeedCE focuses on geographic HTTPS maps—know the boundary.
  🌐 Read online

• SpeedCE vs ITDOG Complete Comparison: Scenarios, Pros/Cons, and Pairing
  Map-first vs table/ping-first—when to open which tab and how to combine without duplicate work.
  🌐 Read online

• 2026 Top 5 Free Speed Test Tools for Site Owners: Deep Review and Bookmark Picks
  Curated stack for solo site owners—what to bookmark and when to use each in 2026.
  🌐 Read online

• VSPING vs SpeedCE: Pollution Detection and Reachability Together
  VSPING for pollution/GFW signals; SpeedCE for nationwide HTTPS maps—use in sequence.
  🌐 Read online

• WebPageTest vs SpeedCE: When to Use Which Tool
  Filmstrip debugging vs China carrier maps—pick tool by question type.
  🌐 Read online

Advanced (35 articles)

• A/B Test Traffic Split Domains: Independent Map Acceptance per Experiment Arm
  Experiment subdomain must accept independently—don't assume control map applies to variant.
  🌐 Read online

• Acquisition Tech Due Diligence: Quick Nationwide Reachability Assessment
  M&A technical DD—SpeedCE snapshot of target's main domains in 30 minutes.
  🌐 Read online

• Affiliate Tracking Domains: Nationwide Reachability Impact on Conversion Chain
  Affiliate click blocked in one province loses commission—probe tracking domains on three carriers.
  🌐 Read online

• News Release Peak Traffic: 30-Minute Pre-Publish Checkpoint
  State media and viral news—half-hour SpeedCE gate before publish button.
  🌐 Read online

• Change Management Speed Test Gate: Mandatory Probe After DNS/Cert/Nginx Changes
  Institutionalize "no SpeedCE screenshot, no change close"—reduces rollback incidents.
  🌐 Read online

• Quarterly Client Reports with Maps: B2B Provider Speed Test Reporting Template
  Agencies retain clients with quarterly map reports—white-label template structure.
  🌐 Read online

• Competitor Benchmark Speed Tests: Same-Niche Map Comparison to Convince Leadership
  Leadership ignores latency complaints until competitor map is all green and yours isn't—data-driven upgrade requests.
  🌐 Read online

• Disaster Recovery Drill: Nationwide SpeedCE Checkpoint After DR Failover
  DR drill isn't done until DR site maps match primary acceptance thresholds.
  🌐 Read online

• Double-11/618 Sale Speed Test Timeline: T-7 to T+0 Complete Rhythm
  Domestic mega-sales timeline with SpeedCE gates at T-7, T-3, T-1, and hourly T+0.
  🌐 Read online

• Guangdong/Zhejiang/Shanghai/Beijing Baseline Latency: Map Targets for Coastal Economies
  Coastal economic hubs expect lower latency—use as baseline when accepting CDN and origin upgrades.
  🌐 Read online

• Hainan Free Trade Zone Sites: Island Geography and Access Traits
  Island province routing differs from mainland—dedicated map acceptance for Hainan-focused services.
  🌐 Read online

• Post-ICP Filing Nationwide Reachability Acceptance: DNS, Certs, and Compliance
  ICP approved doesn't mean nationwide green—accept parsing, HTTPS, and compliance probes after filing goes live.
  🌐 Read online

• Inner Mongolia/Northeast: Cold-Region Routes and Winter Peak Traffic
  Winter heating season shifts traffic patterns—retest northeast maps in January peak.
  🌐 Read online

• Ad Landing Pages: 10-Minute Nationwide Checkpoint Before Campaign Launch
  Paid traffic to slow landing pages burns budget—SpeedCE gate before ad account goes live.
  🌐 Read online

• Migration Before/After Report Template: Dual-Map Slides for Executives and Clients
  Side-by-side maps in PPT close migration projects professionally—template structure included.
  🌐 Read online

• Ops Handover Speed Baselines: Map Archive Required Before Departure
  Leaving ops without baseline maps strands the team—handover package template.
  🌐 Read online

• National Holiday Golden Week: Pre-Surge Mobile User Checkpoint
  Golden week mobile travel surge—three-carrier checkpoint one week before holiday.
  🌐 Read online

• New Domain Cold Start 72 Hours: Registration, DNS, Certs, and Map Acceptance Rhythm
  New domains propagate unevenly—72-hour SpeedCE rhythm from registration through first marketing push.
  🌐 Read online

• Northeast China Access Quality: Cold-Region Routes and CDN Node Coverage
  Heilongjiang/Jilin/Liaoning have unique long-haul paths—accept with regional map focus.
  🌐 Read online

• Pre-Pentest External Attack Surface: Public Domain Speed Test Inventory
  Before pentest, inventory all public hosts with probes—find orphan domains attackers will too.
  🌐 Read online

• Fujian/Guangdong Taiwan-Trade Sites: Southeast Coastal Map Acceptance
  Cross-strait trade sites need coastal map baselines and Mobile emphasis.
  🌐 Read online

• Henan/Hubei Central China Access Optimization: Map Patterns and CDN Strategy
  Central provinces bridge north-south routes—recognize map signatures and CDN node placement.
  🌐 Read online

• Beijing-Tianjin-Hebei/Shandong Baseline: North China Map Targets
  North China dense population—use as reference baseline for CDN PoP effectiveness.
  🌐 Read online

• Sichuan/Chongqing Access Acceptance: Southwest Nodes and Route Traits
  Southwest basin geography affects routes—accept with province-focused maps.
  🌐 Read online

• Yunnan/Guizhou Access: Southwest Frontier Maps and Mobile Network
  Southwest frontier provinces often show higher latency—set realistic targets and CDN strategy.
  🌐 Read online

• September School Season: Education Site Traffic Assurance Speed Tests
  September enrollment spikes—education platforms run T-14 SpeedCE schedule.
  🌐 Read online

• Baidu/Google Crawlers and Site Reachability: SEO Angle on Speed Tests
  Crawlers hit from specific networks—reachability supports SEO; SpeedCE complements Search Console.
  🌐 Read online

• Short Link Domain Acceptance: Nationwide Node Tests on Redirect Chains
  t.co style short domains redirect—probe short URL and final landing separately.
  🌐 Read online

• Spring Festival Traffic Assurance: Three-Carrier Checkpoint Before Mobile Surge
  Holiday mobile usage spikes—pre-festival three-carrier maps on all conversion domains.
  🌐 Read online

• Status Page Setup: How Probe Data Supports Public Status Pages
  Status pages need honest geographic impact—integrate probe summaries subscribers understand.
  🌐 Read online

• Subdomain Inventory Patrol: One Spreadsheet for Monthly Speed Tests of All Public Domains
  Forgotten api-staging.example.com causes incidents—inventory method ensures no public host skips monthly probe.
  🌐 Read online

• 2026 Ultimate Site Owner Browser Toolbar: Speed, Monitor, Performance 12 Links
  One toolbar row for daily ops—SpeedCE, uptime, PageSpeed, DNS, SSL expiry, and vendor consoles.
  🌐 Read online

• Xinjiang/Tibet/Northwest Access Optimization: Map Acceptance and CDN Strategy
  Northwest provinces show distinct map patterns—don't treat as generic "China slow"; targeted CDN and DNS strategy.
  🌐 Read online

• Year-End Infrastructure Report: Summarizing 12 Months of Map Archives
  December is time to aggregate monthly screenshots into annual availability narrative.
  🌐 Read online

• Zero-Downtime Deploy: Blue/Green and Canary Map Comparison
  Canary slice still needs geographic probe on canary hostname—compare blue vs green maps.
  🌐 Read online

Scripts

Script	Purpose
scripts/english_article_generator.py	Generate article Markdown
scripts/generate_root_readme.py	Update this README
scripts/generate_seo_index.py	Build SEO index and GitHub Pages site

Search engines and AI crawlers

This repo is configured for GitHub Pages + crawler-friendly indexes so search engines and AI bots (GPTBot, ClaudeBot, etc.) can index all 210 articles.

Resource	URL
Read online (GitHub Pages)	https://freejbgo.github.io/SpeedCE-English-Tech/
Sitemap	https://freejbgo.github.io/SpeedCE-English-Tech/sitemap.xml
robots.txt	https://freejbgo.github.io/SpeedCE-English-Tech/robots.txt
llms.txt (AI index)	https://freejbgo.github.io/SpeedCE-English-Tech/llms.txt
JSON metadata	https://freejbgo.github.io/SpeedCE-English-Tech/articles-index.json

Regenerate indexes: python3 scripts/generate_seo_index.py (run after article changes; CI also refreshes weekly on Mondays).

Update README catalog: python3 scripts/generate_root_readme.py