Overview
Tencent Cloud is Tencent's cloud brand with deep expertise in gaming, social, video cloud, and instant messaging. EdgeOne is its new-generation CDN acceleration and edge security platform, designed to replace traditional Tencent CDN by unifying content delivery, DDoS protection, WAF, Bot management, and edge functions into one service.
Unlike traditional CDN, EdgeOne uses a "unified secure acceleration" design where all nodes natively carry security capabilities without chaining WAF or DDoS scrubbing centers, simplifying the network path and management. EdgeOne deploys 3200+ domestic nodes covering all provinces and major prefecture-level cities; with BGP multi-line routing, domestic TTFB is as low as 20-50ms, and international coverage spans Asia-Pacific, Europe/Americas, and the Middle East. EdgeOne 3.0 further integrates edge functions, marking the upgrade toward an edge computing platform.
Key Strengths
- Unified CDN + DDoS + WAF delivery: Integrates CDN, DDoS (Tbps-scale scrubbing), WAF (covering OWASP Top 10), and Bot management; every node natively secures traffic; see the CDN security features guide.
- Edge Functions: V8-isolated JavaScript runtime for URL rewriting, A/B testing, custom auth, and personalized rendering at global edges; Edge Functions offers 1M free invocations/month with $0.15/1M overage.
- 3200+ domestic nodes: Covers all 31 provinces and major cities across Telecom, Unicom, Mobile, CERNET, and broadcast, with BGP multi-line routing holding domestic TTFB at 20-50ms.
- Cutting-edge protocol support: HTTP/3 (QUIC), Brotli (20%-30% smaller text resources), and WebSocket long-connection acceleration for real-time apps.
- Excellent console experience: Clear layout and setup wizards with deep integration with CVM, COS, CLB, WAF, and CLS for full-chain management in one portal.
Product Ecosystem
Edge Functions
V8-isolated sandbox JavaScript runtime supporting request/response rewriting (URL, headers, cookies), A/B test grouping, personalized delivery, Token/JWT custom auth, and cache control. Max execution 30s (adjustable in enterprise), up to 20 sub-requests, with integrated KV storage; combine with the CDN cache strategy.
DDoS Protection
Every edge node scrubs traffic without extra high-defense IPs: L3/L4 (SYN/ACK/UDP/ICMP Flood) at Tbps scale, L7 CC frequency limiting, AI-driven anomaly detection, and attack dashboards—replacing the traditional "CDN + high-defense IP" stack; see the DDoS-protected server buying guide.
WAF Web Application Firewall
Covers OWASP Top 10: semantic SQLi detection, XSS detection, command execution/file inclusion/CSRF, custom rules (IP/URL/Header/Cookie/Body), Bot management, and API security (endpoint discovery, sensitive data leak prevention); continuously updated rule library; see the WAF getting-started guide.
Smart Acceleration and Protocol Optimization
QUIC/HTTP/3 for weak-network efficiency, Brotli compression, WebSocket acceleration, and AI smart pre-warming of hot content to cut origin pull; see the CDN cache hit ratio optimization.
Limitations
- Relatively higher pricing: Unified security raises unit cost; the secure edition can run 20%-50% higher than Aliyun CDN basic service; evaluate with the CDN cost control guide.
- Overseas coverage still expanding: Node density in Southeast Asia, Middle East, and Latin America trails Cloudflare (330+ cities); overseas-heavy scenarios need multi-CDN load balancing.
- Edge Functions ecosystem gap: NPM compatibility, CI/CD integration, and community docs trail Cloudflare Workers.
- Advanced config learning curve: Many cache/security/origin/HTTPS options with room for more advanced examples; see the website CDN setup guide.
Use Cases
- Integrated security and acceleration (★★★★★): E-commerce, financial sites, and game portals with strict compliance benefit directly from the unified architecture.
- Tencent Cloud ecosystem users (★★★★★): Existing CVM, COS, CLB users integrate seamlessly with one-click CDN + COS origin, CLB linkage, and CLS log analysis.
- Domestic mid-to-large sites (★★★★★): Video VOD, online education, large e-commerce, and social media get stable low-latency domestic access.
- WeChat mini-program / WeChat ecosystem (★★★★): Deep integration for mini-program CDN acceleration, security, and edge logic.
- Edge computing needs (★★★★): Edge Functions for API aggregation, personalized rendering, A/B testing, and custom auth, offloading origin compute.
- Overseas-heavy business (★★★): Use multi-CDN load balancing with EdgeOne domestic and Cloudflare or AWS CloudFront overseas.
Pricing
| Item | Basic | Secure Edition | Notes |
|---|---|---|---|
| Domestic Traffic | RMB 0.20-0.50/GB | RMB 0.30-0.70/GB | Tiered |
| Overseas Traffic | RMB 0.30-1.50/GB | RMB 0.40-1.80/GB | By region |
| Dynamic Requests | Per request | Per request | HTTPS higher |
| Edge Functions | 1M/month free | Included in secure | $0.15/1M overage |
Pay-as-you-go with Basic and Secure Edition plans; check Tencent Cloud for current rates; plan per the CDN cost control guide.
FAQ
- How to choose with Aliyun CDN / Cloudflare? EdgeOne wins on 3200+ domestic nodes, Tencent ecosystem, and unified security; Aliyun CDN on ecosystem and 800+ overseas nodes; Cloudflare on global coverage and Workers ecosystem; see the CDN comparison.
- How are Edge Functions billed? 1M free invocations/month with $0.15/1M overage; see the Edge Functions guide.
- How is domestic acceleration? 3200+ nodes across all provinces with BGP multi-line holding domestic TTFB at 20-50ms; see the CDN cache strategy.
- Is there a free tier? No permanent free tier; trial credits available; see the CDN beginner's guide.
- How capable is the security? Built-in Tbps-scale DDoS scrubbing, OWASP Top 10 WAF, Bot management, and API security with no extra security products; see the CDN security features guide.