CDN Comparison
Fastly or Cloudflare: Programmable Edge vs Free Mass-Market CDN
Fastly gives developers instant cache purging and edge scripting at usage-based rates; Cloudflare gives almost anyone a free, security-hardened CDN out of the box.
Free
Cloudflare's base CDN, WAF and DNS tier
Usage-based
Fastly's pricing model for bandwidth and requests
NVMe
Origin storage speed feeding either edge network
24/7
Human support for origin-level CDN configuration
In short
Cloudflare vs Fastly is largely a question of audience: Cloudflare is a free, mass-market CDN built to be usable by anyone with minimal configuration, bundling a WAF and DDoS protection by default, while Fastly is a usage-based CDN built for engineering teams that need instant cache purging, edge-side scripting and granular control over caching logic. Fastly suits teams shipping frequent releases; Cloudflare suits most everyone else.
Both can serve the same static content fast — the real difference shows up in how much control you need over cache invalidation and edge logic, and how much engineering time you have to configure it.
Fastly built its reputation on one specific problem: near-instant cache purging. When a news site publishes a correction or an e-commerce site updates stock and pricing, waiting minutes for a CDN's cache to expire naturally isn't good enough, and Fastly's purge API responds in the order of milliseconds rather than the longer propagation times of some general-purpose CDNs. That capability, plus its programmable edge, is why Fastly shows up disproportionately often at media outlets and larger e-commerce platforms with dedicated engineering teams.
Cloudflare took a different path: make the CDN, DNS, SSL and a web application firewall free and simple enough that a solo site owner can turn it on in an afternoon. That accessibility is Cloudflare's real advantage over Fastly for the vast majority of sites that don't have an engineering team writing edge logic — and it's exactly the kind of setup that pairs cleanly with hosting built for speed at the origin, since a CDN's cache is only as good as what it's caching from.
Fastly's Case: Instant Purging and a Programmable Edge
Fastly's core differentiator is cache control. Its purge API is built to invalidate cached content in near real time, which matters enormously for sites where stale content is a real business problem — a price change, a breaking correction, or inventory that just sold out. Alongside that, Fastly's edge compute layer lets developers write logic that runs at the edge itself, routing requests, rewriting responses or running tests without a round trip to origin.
That power comes with a learning curve and a pricing model built around usage rather than a flat free tier — you pay for bandwidth, requests and compute time, which scales cleanly for a team with predictable, sizeable traffic but requires more setup than a beginner is likely to want to do alone.
Cloudflare's Case: Free, Broad, and Secure by Default
Cloudflare's advantage is breadth without cost. Its free tier includes CDN caching, DNS management, an automatically issued SSL certificate, and basic DDoS and bot mitigation, all configurable from one dashboard without writing edge code. For a WordPress site, a small business site or a growing online store, that's usually a complete answer without ever touching Fastly's more developer-oriented tooling.
Cache invalidation on Cloudflare is more general-purpose than Fastly's purge API — cache rules and page rules handle most cases well, and purging is available, but the platform isn't built around split-second content freshness the way Fastly explicitly is. For most sites, that difference is never noticed.
Pricing: Free Tier vs Usage-Based Billing
Cloudflare's free plan costs nothing regardless of how many requests a typical small-to-medium site generates, with paid tiers adding managed WAF rulesets, image optimization and more advanced analytics as traffic and risk grow. Fastly, by contrast, has no comparable always-free proxy tier — pricing is based on bandwidth delivered, request volume and any edge compute used, which means cost tracks usage closely from the start.
That makes Fastly harder to justify for a low-traffic personal or small business site, where the usage-based bill would likely exceed what Cloudflare's free tier already covers for free. It becomes easier to justify once a site's traffic and release cadence are large enough that instant purging and edge compute solve a real, recurring operational problem.
Choosing Between Them for Your Actual Site
If you're running a WordPress site, a small online store or a business site without a dedicated engineering team, Cloudflare's free, security-hardened default is almost always the more practical starting point — it costs nothing, needs little configuration, and covers the security concerns Fastly doesn't focus on as heavily. If you're running a high-traffic publisher, a large e-commerce catalog with frequent price and stock changes, or a product that needs edge-side logic, Fastly's purge speed and programmability are worth the usage-based cost.
Either CDN still depends on the origin server behind it to generate anything that isn't already cached, which is where fast, NVMe-backed hosting with server-side caching matters just as much as the CDN choice itself — a CDN can't make a slow database query fast, it can only reduce how often that query has to run.
Neither CDN Replaces a Fast Origin Server
Fastly's instant purging and Cloudflare's free security layer both solve real problems, but both still pull from an origin server on every cache miss and every dynamic request.
Hosting Cheap's NVMe SSD storage and LiteSpeed caching keep that origin response fast, so whichever CDN sits in front, the pages a visitor actually waits on load quickly the first time, not just on repeat cached visits.
- NVMe SSD storage for fast first-load and cache-miss responses
- LiteSpeed server-side caching that reduces edge cache-fill frequency
- Free auto-renewing SSL that stays aligned with either CDN's SSL mode
- 24/7 human support for origin-side DNS and cache-header setup
Why Hosting Cheap
What you get
NVMe SSD origin storage
Fast storage keeps cache-miss responses quick whether Fastly or Cloudflare is in front.
LiteSpeed caching built in
Server-side caching reduces how often either CDN needs to hit origin for fresh content.
Free auto-renewing SSL
Certificates renew automatically so origin and edge SSL modes stay in sync.
Free managed migration
Move your site first, then configure Fastly or Cloudflare without a risky simultaneous switch.
24/7 human support
Get help with origin IPs, DNS records or cache headers when edge configuration gets technical.
30-day money-back guarantee
Trial your hosting and CDN setup together before committing long-term.
How It Works
Get set up in a few steps
Define your cache-freshness need
Decide if general caching is enough or if you need Fastly-level instant purge speed.
Match the CDN to your team's capacity
Pick Cloudflare for a low-configuration free setup or Fastly if you have engineers to run edge logic.
Keep the origin fast underneath
Pair whichever CDN you choose with fast, cached origin hosting so cache misses stay quick.
Included
Everything you need, on every plan
- Decide how critical instant cache purging is to your content
- Check if you need edge-side scripting or just static caching
- Compare Cloudflare's free tier against Fastly's usage-based bill for your traffic
- Confirm your team has the capacity to configure Fastly's edge logic
- Set cache rules that correctly exclude dynamic and checkout pages
- Test cache invalidation timing against your actual content update frequency
- Keep origin server speed solid regardless of which CDN sits in front
FAQ
Frequently asked questions
Is Fastly faster than Cloudflare?
Both operate global edge networks and serve cached content quickly; the meaningful speed difference is in cache invalidation, where Fastly's near-instant purge API is faster than typical propagation on a general-purpose CDN. For raw page delivery, the origin server's own speed usually matters more than the CDN choice.
Why would a small business choose Fastly over free Cloudflare?
Most small businesses shouldn't — Fastly's usage-based pricing and configuration overhead are built for teams with frequent content changes and engineering resources. Cloudflare's free tier covers the CDN, security and DNS needs of a typical small business site without that overhead.
Does Cloudflare offer instant cache purging too?
Yes, Cloudflare supports purging cached content, though Fastly's purge API is specifically built and marketed around near real-time invalidation at larger scale. For most sites that don't publish price or content changes by the second, Cloudflare's purge speed is more than sufficient.
What does Fastly's usage-based pricing actually track?
Fastly bills based on factors like bandwidth delivered, request volume and any edge compute functions used, so cost scales with traffic from the start rather than offering a flat free tier. That makes it more predictable for high-traffic sites but costlier for small, low-traffic ones.
Can I switch from Fastly to Cloudflare or vice versa later?
Yes, since both sit in front of your origin via DNS, switching mainly involves updating DNS records and reconfiguring cache rules rather than changing your actual hosting or codebase. Testing on a staging subdomain first avoids surprises during the switch.
Do I need a CDN at all if my hosting is already fast?
A CDN still helps by serving cached content from locations closer to visitors and absorbing traffic spikes, even on fast NVMe-backed hosting. But a fast origin means cache misses and dynamic pages stay quick too, which a CDN alone can't guarantee.
Build on an Origin Fast Enough for Any CDN
NVMe SSD, LiteSpeed caching and 24/7 human support — whether you're running Fastly's edge logic or Cloudflare's free tier.
Get Started