A Content Delivery Network speeds up your site by serving cached content from servers near your visitors. But not all CDNs work the same way. Some charge by bandwidth, some by requests, some have flat monthly fees, and some have complex pricing that is hard to predict. The CDN you choose affects your monthly bill, how much control you have over caching, and how much time you spend managing it.
Cloudflare: The Flat-Fee Giant
Cloudflare is the most popular CDN in the world, and its pricing model explains why. The free plan has no bandwidth limits, no request limits, and a decent feature set. The paid plans — Pro at $20/month and Business at $200/month — are flat fees that do not fluctuate with traffic.
That predictability is the main appeal. If your site goes viral and traffic spikes 10x, your Cloudflare bill does not change. For growing sites and businesses with unpredictable traffic, that is a meaningful advantage. The free plan alone is enough for most small to medium sites.
Cloudflare's network spans 330+ cities globally, which gives it broad coverage. The dashboard is polished and accessible. Integrated features like DDoS protection, DNS, SSL, and Workers (serverless functions at the edge) mean you can run a substantial portion of your infrastructure through one provider.
The tradeoffs: cache control on the free plan is limited to three Page Rules. Paid plans unlock more, but advanced cache configuration still lags behind Fastly's granularity. Analytics are good but not as detailed as what Fastly offers. And Cloudflare's support on lower tiers is community-based — no guaranteed response times unless you pay for Business or Enterprise.
Best for: small to medium sites that want predictable pricing, sites that benefit from an all-in-one platform (CDN + DNS + DDoS + Workers), and anyone who wants to start free and upgrade only when needed.
Fastly: The Configurable Powerhouse
Fastly takes a different approach. It is built for granular cache control and real-time configurability. You can change cache rules, purge specific objects, and adjust edge behavior in seconds. The VCL (Varnish Configuration Language) gives you programmatic control over how requests are handled at the edge.
That level of control matters for large sites with complex caching needs. If you need different cache TTLs for different content types, conditional caching based on request headers, custom purge logic, or edge-side includes, Fastly gives you the tools. It is the CDN you choose when 'set and forget' is not enough.
Fastly's pricing is usage-based — you pay for bandwidth and requests. That can be more expensive than Cloudflare's flat fee for high-traffic sites, but Fastly's enterprise plans can be competitive at scale. The pricing is also less predictable — a traffic spike means a higher bill.
Fastly's network is smaller than Cloudflare's, with around 70+ POPs. For most users that is still plenty, but if you need the absolute widest coverage, Cloudflare has more points of presence. Fastly's interface is more technical and less approachable for beginners.
Best for: large sites with complex caching requirements, developers who want programmatic edge control, sites that need instant purging and fine-grained cache configuration, and teams that have the expertise to configure VCL.
BunnyCDN: The Budget Performance Pick
BunnyCDN is a smaller player that has gained traction because of its straightforward pricing and competitive performance. It charges by bandwidth at rates that are typically lower than the big providers — often under $0.01 per GB in North America and Europe. There are no complicated feature tiers; you pay for what you use.
BunnyCDN's network spans 70+ PoPs and uses pull-zone architecture that is simple to set up — point it at your origin, and it caches content at the edge. The dashboard is clean and easy to understand. Image optimization, instant purging, and caching rules are available without an enterprise contract.
The tradeoffs: BunnyCDN's network is smaller than Cloudflare's, and it does not have the same breadth of integrated services (no built-in DDoS protection at the level Cloudflare offers, no serverless edge functions). It is primarily a CDN, not an all-in-one platform. Support is good but not enterprise-grade.
For sites that want good CDN performance at a low, predictable cost, BunnyCDN is attractive. A site serving 100 GB per month might pay $1-2, compared to $20/month for Cloudflare Pro. For low-traffic sites, the savings are real.
Best for: small to medium sites that want CDN performance without a large monthly fee, sites that do not need integrated DDoS or serverless features, and anyone who prefers simple usage-based pricing over feature tiers.
AWS CloudFront: The AWS Ecosystem Play
CloudFront is AWS's CDN, and its positioning reflects that. It integrates tightly with the AWS ecosystem — S3 for origin storage, Lambda@Edge for serverless functions at the edge, Shield for DDoS protection, and the AWS billing console for management. If your infrastructure is already on AWS, CloudFront is the natural choice.
CloudFront's pricing is usage-based and can be complex. Bandwidth costs vary by region, and there are additional charges for requests, HTTPS requests, and various optional features. The AWS Free Tier includes 1TB of data transfer out per month for the first 12 months, which is generous for new sites. After that, costs scale with usage.
The network is extensive — CloudFront has 400+ edge locations and 13 regional edge caches. That is comparable to or larger than Cloudflare's network depending on how you count. Performance is solid and consistent.
CloudFront's cache control is good — you can configure TTLs, cache behaviors by path pattern, and header-based caching. It is not as granular as Fastly's VCL, but it is more flexible than Cloudflare's free tier. Lambda@Edge gives you programmatic control, though with Cold Start latency that can affect time-to-first-byte.
The downside is complexity. CloudFront has many configuration options, and the pricing structure can produce surprises. AWS support tiers add cost. And if you are not already in the AWS ecosystem, CloudFront does not offer enough advantage over simpler CDNs to justify the integration complexity.
Best for: sites already hosted on AWS (S3, EC2, ALB origins), teams that want everything in one AWS bill, sites that need Lambda@Edge for edge computing, and organizations that are comfortable with AWS's complexity and pricing model.
Side-by-Side Comparison
Here is how the four compare across the dimensions that matter:
How to Choose
Start with Cloudflare's free tier. It has no bandwidth limits, a large network, and enough features for most sites. You can run your entire site through it for zero dollars and see measurable speed improvements. There is no reason not to try it first.
If you are on a budget and want to minimize CDN costs for a low-traffic site, BunnyCDN's usage-based pricing at low rates is hard to beat. A small site might pay a few dollars per month total.
If you need granular cache control — different behaviors for hundreds of content types, instant purging, edge logic — Fastly is the right tool. It requires more expertise to configure, but it gives you control that the others do not match.
If your infrastructure is already on AWS and you want everything in one bill, CloudFront is the logical choice. The integration with S3, Lambda@Edge, and Shield is worth the complexity if you are an AWS shop.
For most sites, the answer is Cloudflare free, and upgrade only if you hit its limits. The CDN you choose should fit your traffic, your technical expertise, and your budget — not the one with the most features on paper.
Bottom Line
Cloudflare wins for most users because its free tier has no bandwidth cap and its paid tiers are flat-rate. BunnyCDN wins for budget-conscious sites that want low usage-based pricing. Fastly wins for sites that need fine-grained cache control and edge compute. CloudFront wins for AWS-native infrastructure. Pick the CDN whose pricing model, network size, and feature set match your actual needs — not the biggest name.
