Company snapshot
| Category | CDNSun | Cloudflare |
|---|---|---|
| Status | active | active |
| Founded | — | — |
| Headquarters | — | — |
| Website | — | — |
| Docs | — | — |
Overview
CDNSun, founded in 2012, is a content delivery network provider based in Prague, Czech Republic. It offers services like website acceleration, video streaming, and software delivery through a network of over 50 points of presence (PoPs) worldwide. Its customer base includes businesses seeking cost-effective CDN solutions, particularly small to medium-sized enterprises. CDNSun emphasizes affordability with a pay-as-you-go model and a 15-day free trial. The service supports HTTP/2 and provides free shared SSL on its *.r.worldssl.net domain.
Cloudflare, founded in 2009, is a San Francisco-based company offering a global content delivery network (CDN), DDoS mitigation, and web security services. Its network accelerates content delivery and protects websites and applications from cyber threats. Cloudflare serves a wide range of customers, from small businesses to enterprises like Shopify, Medium, and IBM. The platform is known for its developer-friendly tools, including serverless edge computing and comprehensive security features. It provides a free tier alongside paid plans, catering to diverse user needs. Cloudflare’s services sit between end users and origin servers, acting as a reverse proxy to enhance performance and reliability.
Network & Architecture
CDNSun operates more than 50 PoPs across five continents, including locations in North America (e.g., Atlanta, Chicago, Dallas), Europe (e.g., Amsterdam, Frankfurt, London), Asia (e.g., Hong Kong, Singapore, Tokyo), South America (e.g., Sao Paulo), and Australia (e.g., Sydney). All edge servers use SSD drives for faster data access and have redundant connectivity to robust internet networks. The network supports global content delivery with a focus on reducing latency for websites and streaming services. Specific routing or peering details are not publicly disclosed, but the provider claims strong performance for global audiences.
Cloudflare operates over 200 points of presence (PoPs) globally, spanning regions like North America, EMEA, APAC, Latin America, Africa, India, China, and the Middle East. Its Anycast network ensures low-latency content delivery by routing traffic to the nearest data center. The company has strong peering agreements, enhancing connectivity and reducing latency. Regional strengths include robust coverage in North America and Europe, with growing presence in APAC and Latin America. However, performance in certain African and Middle Eastern regions may vary due to fewer PoPs or local network constraints. Cloudflare’s architecture supports dynamic content acceleration and integrates with its security and edge computing services.
Feature comparison
| Feature | CDNSun | Cloudflare |
|---|---|---|
waf | ✗ | ✓ |
bot_mitigation | ✗ | ✓ |
ddos | ✗ | ✓ |
rate_limit | ✗ | ✓ |
http3_quic | ✓ | ✓ |
tls13 | ✓ | ✓ |
tiered_cache | ✗ | ✓ |
origin_shield | ✗ | ✗ |
instant_purge | ✓ | ✓ |
stale_while_revalidate | ✗ | ✓ |
stale_if_error | ✗ | ✓ |
image_optimization | ✗ | ✓ |
video_vod | ✓ | ✓ |
video_live | ✓ | ✓ |
drm | ✗ | ✗ |
hls_dash_packaging | ✗ | ✗ |
websockets | ✗ | ✓ |
signed_urls | ✗ | ✓ |
edge_compute | ✗ | ✓ |
functions | ✗ | ✓ |
kv_storage | ✗ | ✓ |
api_first | ✓ | ✓ |
realtime_logs | ✓ | ✓ |
log_push | ✗ | ✓ |
terraform | ✗ | ✓ |
Legend: ✓ = Supported, ✗ = Not supported, — = Not listed
Pricing
CDNSun uses a pay-as-you-go (payg) model with no monthly or setup fees. A 15-day free trial (free-tier) is available for all services. Pricing is transparent, with custom options for high-volume users, but specific per-GB rates are not publicly listed. SMB-friendly pricing targets smaller businesses. The official pricing page is https://cdnsun.com/pricing/.
Cloudflare offers a pay-as-you-go (PAYG) model, a free tier, and enterprise plans. The free tier includes basic CDN, DDoS protection, and an SSL certificate, suitable for small sites. Paid plans (Pro, Business, Enterprise) add advanced features like WAF, bot mitigation, and analytics, with pricing starting at $20/month for Pro plans. Enterprise pricing is customized, often requiring committed contracts. Data transfer and HTTP/HTTPS requests are included in subscription plans, with additional costs for features like edge computing or advanced WAF rules. Full details are available at https://www.cloudflare.com/plans/.
Integrations & DevEx
CDNSun offers an API-first approach for managing CDN services, including access to real-time logs. It provides integration support via a dashboard and API, with 24/7 technical support through email, phone, and live chat. No specific Terraform or CI/CD integrations are documented. The service includes tools for testing performance gains, such as ping tests and downloadable test files (1 MB and 20 MB).
Cloudflare supports Terraform for infrastructure-as-code (IaC), enabling automated configuration management. SDKs and APIs facilitate integration with CI/CD pipelines and custom applications. Real-time logs (Logpush) and analytics (Cloudflare Analytics) provide actionable insights, with RUM support for end-user performance monitoring. Migration tools, like the Cloudflare Dashboard and DNS import features, simplify onboarding from other providers. The developer platform, including Cloudflare Workers and Pages, supports building and deploying serverless applications and static sites, enhancing developer experience.
When it fits
- Small to medium-sized businesses needing affordable, pay-as-you-go CDN services with a free trial.
- Companies targeting global audiences with video streaming or software delivery needs.
- Developers seeking an API-driven CDN with real-time logs for monitoring.
- Small businesses or developers needing a free or low-cost CDN with basic security and SSL support.
- Enterprises requiring robust DDoS protection, WAF, and global content delivery with strong developer tools.
- Teams leveraging edge computing for serverless applications or dynamic content acceleration.
When it doesn’t
- Enterprises requiring advanced security features like WAF, DDoS protection, or bot mitigation.
- Businesses needing specialized edge compute, key-value storage, or advanced video features like DRM.
- Users prioritizing extensive integrations with Terraform, CI/CD pipelines, or specific cloud platforms.
- Organizations needing specialized video features like HLS/DASH packaging, DRM, or RTMP ingest for advanced streaming use cases.
- Users in regions with limited PoPs (e.g., parts of Africa or the Middle East) where latency may be higher.
- Scenarios requiring origin shield for enhanced caching, which Cloudflare does not natively support.
History & Notes
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