--- title: "Best CDN 2026: Cloudflare vs CloudFront vs Fastly vs Bunny" description: "Best CDN comparison for 2026. Cloudflare vs CloudFront, Cloudflare vs Fastly, and Bunny CDN benchmarked on TTFB, Core Web Vitals, pricing, and use case." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "Article", "headline": "Best CDN in 2026: CDN Comparison of Cloudflare vs CloudFront, Cloudflare vs Fastly, and Bunny CDN", "description": "Best CDN comparison for 2026. Cloudflare vs CloudFront, Cloudflare vs Fastly, and Bunny CDN benchmarked on TTFB, Core Web Vitals, pricing, and use case.", "author": [ { "@type": "Person", "name": "Matt Suffoletto", "jobTitle": "Performance Optimization Expert" }, { "@type": "Organization", "name": "The PageSpeed Matters Team" } ], "publisher": { "@type": "Organization", "name": "PageSpeed Matters" }, "datePublished": "2026-02-28", "dateModified": "2026-02-28", "url": "https://www.pagespeedmatters.com/resources/guides/best-cdn-speed-comparison-cloudflare-bunny-fastly-cloudfront" }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.pagespeedmatters.com" }, { "@type": "ListItem", "position": 2, "name": "Resources", "item": "https://www.pagespeedmatters.com/resources" }, { "@type": "ListItem", "position": 3, "name": "Guides", "item": "https://www.pagespeedmatters.com/resources/guides" }, { "@type": "ListItem", "position": 4, "name": "Best CDN in 2026: CDN Comparison of Cloudflare vs CloudFront, Cloudflare vs Fastly, and Bunny CDN" } ] }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Which CDN is the fastest in 2026?", "acceptedAnswer": { "@type": "Answer", "text": "Bunny.net delivers the lowest global TTFB (22ms median cached) across our 25-location benchmark. Cloudflare is a close second at 28ms with significantly more PoPs (330+ vs. 123). Fastly and CloudFront are slightly behind at 32ms and 35ms respectively. Raw latency differences of 5–15ms matter less than cache hit ratios and feature utilization." } }, { "@type": "Question", "name": "Is Cloudflare's free CDN good enough?", "acceptedAnswer": { "@type": "Answer", "text": "For most small-to-medium websites, yes. Cloudflare's free tier includes CDN, HTTP/3, Brotli compression, basic WAF, and unmetered DDoS protection, more than any competitor offers for free. Upgrading to Pro ($20/month) adds Polish image optimization and better WAF rules. APO for WordPress ($5/month) adds full-page edge caching." } }, { "@type": "Question", "name": "How much does a CDN improve Core Web Vitals?", "acceptedAnswer": { "@type": "Answer", "text": "The impact depends on origin latency, configuration, and which features are enabled. Documented CDN benefits include lower TTFB from edge caching, Brotli compression, HTTP/3, and image optimization, all of which feed into LCP. Cloudflare APO is the largest single lever for WordPress because it caches full HTML pages at the edge instead of only static assets. Providers that ship image optimization (Cloudflare Polish, Bunny Optimizer, Fastly IO) add further LCP and CLS improvements from smaller, correctly-sized images." } }, { "@type": "Question", "name": "Do I need a CDN if I'm on Shopify or Squarespace?", "acceptedAnswer": { "@type": "Answer", "text": "Shopify includes Fastly CDN and Squarespace includes their own CDN, you don't need a separate CDN for static asset delivery. However, adding Cloudflare in front provides additional benefits: DDoS protection, Zaraz (third-party script optimization), and WAF. For WordPress and custom sites, a CDN is essential, it's the single highest-impact performance improvement you can make." } }, { "@type": "Question", "name": "What's the difference between Cloudflare APO and regular Cloudflare?", "acceptedAnswer": { "@type": "Answer", "text": "Regular Cloudflare caches static assets (images, CSS, JS) at the edge. APO (Automatic Platform Optimization, $5/month for WordPress) also caches the HTML page itself, eliminating PHP processing and database queries for cached requests. This reduces TTFB from 400–800ms to sub-50ms. APO is the single best performance investment for WordPress sites." } }, { "@type": "Question", "name": "Why is Fastly so much more expensive?", "acceptedAnswer": { "@type": "Answer", "text": "Fastly targets enterprise customers who need real-time content delivery (news, financial data, live events). Their 150ms global purge time is 10–100x faster than competitors, critical when stale content has business impact. Their Compute@Edge platform and Image Optimizer are enterprise-grade. For websites that don't need instant purging, Fastly's premium isn't justified." } }, { "@type": "Question", "name": "Can I use multiple CDNs together?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, but it's rarely necessary. Common multi-CDN setups: Cloudflare for CDN/security + Bunny.net Stream for video delivery. Or CloudFront for AWS-hosted application + Cloudflare for DNS/DDoS protection. For most sites, a single CDN (Cloudflare or Bunny.net) handles everything effectively." } }, { "@type": "Question", "name": "How do I measure if my CDN is working properly?", "acceptedAnswer": { "@type": "Answer", "text": "Check three things:\n1. Cache hit ratio, look for cf-cache-status: HIT (Cloudflare) or CDN-Cache: HIT headers. Target 90%+ for static assets.\n2. TTFB, compare before/after CDN with [WebPageTest](https://www.webpagetest.org/).\n3. CrUX data, monitor [Search Console](https://search.google.com/search-console/) CWV report for real-user improvement over 28 days." } }, { "@type": "Question", "name": "Is Bunny.net reliable enough for production?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. Bunny.net has 99.99% uptime SLA, serves over 1 trillion requests annually, and powers major brands and agencies worldwide. Their infrastructure is enterprise-grade despite the budget pricing. The lower cost comes from operational efficiency and simpler feature set, not from infrastructure shortcuts." } }, { "@type": "Question", "name": "Should I switch from CloudFront to Cloudflare?", "acceptedAnswer": { "@type": "Answer", "text": "If you're on AWS and using CloudFront primarily for S3/EC2 origin delivery, the switching cost may not be worth the 5–10ms latency improvement. However, if you're paying separately for AWS WAF, Shield, and lack image optimization, Cloudflare Pro ($20/month flat rate) can save significant money while adding features. Evaluate total cost of ownership, beyond CDN pricing." } } ] } ] --- [![PageSpeed Matters](/assets/logo-DtyG_mQE.png)](/) - [Benefits](/why-speed-matters) - [Services](/services) - [ROI Calculator](/roi) - [Pricing](/pricing) - [Proof](/proof) - [Resources](/resources) - [About](/about) [Speed Audit](/contact) [Let's Talk](/contact) [![PageSpeed Matters](/assets/logo-DtyG_mQE.png)](/) [Benefits](/why-speed-matters)[Services](/services)[ROI Calculator](/roi)[Pricing](/pricing)[Proof](/proof)[Resources](/resources)[About](/about) Popular Services [ Core Web Vitals Optimization ](/services/core-web-vitals-optimization)[ ![WordPress Speed Optimization](data:image/svg+xml,%3csvg%20role='img'%20viewBox='0%200%2024%2024'%20xmlns='http://www.w3.org/2000/svg'%3e%3ctitle%3eWordPress%3c/title%3e%3cpath%20d='M21.469%206.825c.84%201.537%201.318%203.3%201.318%205.175%200%203.979-2.156%207.456-5.363%209.325l3.295-9.527c.615-1.54.82-2.771.82-3.864%200-.405-.026-.78-.07-1.11m-7.981.105c.647-.03%201.232-.105%201.232-.105.582-.075.514-.93-.067-.899%200%200-1.755.135-2.88.135-1.064%200-2.85-.15-2.85-.15-.585-.03-.661.855-.075.885%200%200%20.54.061%201.125.09l1.68%204.605-2.37%207.08L5.354%206.9c.649-.03%201.234-.1%201.234-.1.585-.075.516-.93-.065-.896%200%200-1.746.138-2.874.138-.2%200-.438-.008-.69-.015C4.911%203.15%208.235%201.215%2012%201.215c2.809%200%205.365%201.072%207.286%202.833-.046-.003-.091-.009-.141-.009-1.06%200-1.812.923-1.812%201.914%200%20.89.513%201.643%201.06%202.531.411.72.89%201.643.89%202.977%200%20.915-.354%201.994-.821%203.479l-1.075%203.585-3.9-11.61.001.014zM12%2022.784c-1.059%200-2.081-.153-3.048-.437l3.237-9.406%203.315%209.087c.024.053.05.101.078.149-1.12.393-2.325.609-3.582.609M1.211%2012c0-1.564.336-3.05.935-4.39L7.29%2021.709C3.694%2019.96%201.212%2016.271%201.211%2012M12%200C5.385%200%200%205.385%200%2012s5.385%2012%2012%2012%2012-5.385%2012-12S18.615%200%2012%200'/%3e%3c/svg%3e) 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Takeaways](#key-takeaways "Key Takeaways") - [Quick Comparison Table](#section-0 "Quick Comparison Table") - [TTFB & Latency Performance](#section-1 "TTFB & Latency Performance") - [Core Web Vitals Impact](#section-2 "Core Web Vitals Impact") - [Image Optimization & Asset Delivery](#section-3 "Image Optimization & Asset Delivery") - [Edge Compute & Advanced Features](#section-4 "Edge Compute & Advanced Features") - [Pricing Comparison](#section-5 "Pricing Comparison") - [Who Wins & When](#section-6 "Who Wins & When") - [Common CDN Pitfalls &](#section-7 "Common CDN Pitfalls &") - [Real-World Performance by CDN](#section-8 "Real-World Performance by CDN") - [Thresholds & Benchmarks](#thresholds "Thresholds & Benchmarks") - [FAQs](#faqs "FAQs") Share this guide 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website down Enter your URL and our team will send back a free, no-strings performance analysis within 24 hours. Get my audit 100% free Results in 24h Your CDN choice can mean the difference between a 150ms and an 800ms [TTFB](/resources/glossary/time-to-first-byte), and that gap cascades through every other performance metric. A CDN that shaves 300ms off TTFB feels faster and directly improves [LCP](/resources/glossary/largest-contentful-paint), reduces bounce rates, and strengthens your [Core Web Vitals](/resources/guides/complete-core-web-vitals-guide) ranking signal. But in 2026, CDNs have grown well beyond cache layers. Cloudflare runs full applications at the edge. Bunny.net delivers the lowest latency per dollar. Fastly powers real-time content for the world's largest publishers. AWS CloudFront integrates cleanly with the most popular cloud ecosystem. We benchmarked all four CDNs across 25+ global locations, measuring real TTFB, cache hit ratios, time-to-first-byte consistency, and Core Web Vitals impact on WordPress, Shopify, and custom sites. This comparison cuts through marketing claims with actual data, so you can pick the CDN that matches your speed goals, technical stack, and budget. Why this matters in 2026: Edge computing is rewriting the performance playbook. CDNs now offer serverless functions, image optimization, bot management, and full-page caching that can eliminate origin server dependency entirely. Choosing the right CDN is now about where your application logic runs, on top of static asset delivery. ## TL;DR **Quick verdict:** Cloudflare wins for most websites (best free tier, edge computing, Zaraz for third-party scripts, APO for WordPress). Bunny.net wins on raw speed-per-dollar and simplicity. Fastly wins for real-time/dynamic content at scale. CloudFront wins for AWS-native architectures. **By the numbers (2026 global median TTFB):** - Cloudflare: 28ms (cached), 330+ edge locations - Bunny.net: 22ms (cached), 123 PoPs, lowest latency per dollar - Fastly: 32ms (cached), 90+ PoPs, fastest purge (150ms global) - AWS CloudFront: 35ms (cached), 600+ PoPs, deepest AWS integration **Choose Cloudflare if** you want the most complete platform (CDN + security + edge compute + analytics). **Choose Bunny.net if** you want maximum speed at minimum cost. **Choose Fastly if** you need real-time content delivery with instant purging. **Choose CloudFront if** you're already on AWS. ## Key Takeaways - ✓ Bunny.net delivers the lowest global TTFB (22ms median cached) at the lowest cost ($0.01/GB), the pure speed-per-dollar winner. - ✓ Cloudflare's free tier is unmatched, CDN, DDoS protection, basic WAF, and HTTP/3 at zero cost. No other CDN offers this baseline. - ✓ Fastly's 150ms global purge time is 10–100x faster than competitors, critical for news, stock prices, and real-time content that changes by the second. - ✓ CloudFront's 600+ PoPs provide the widest geographic coverage, but higher latency in some regions due to routing complexity. - ✓ Cloudflare APO ($5/month) transforms WordPress performance by caching entire HTML pages at the edge, reducing TTFB to sub-50ms globally. - ✓ For most websites (WordPress, Shopify, static sites), Cloudflare's free or Pro plan delivers 90% of the performance benefit at a fraction of enterprise CDN costs. ## Quick Comparison Table: CDN Performance & Features Here's the high-level comparison based on our 2026 global benchmarks across 25+ locations: Feature Cloudflare Bunny.net Fastly AWS CloudFront **Global Median TTFB (cached)** 28ms 22ms 32ms 35ms **Edge Locations (PoPs)** 330+ 123 90+ 600+ **Cache Purge Speed** ~3s global ~5s global 150ms global ~10s global **HTTP/3 & QUIC** ✅ Yes ✅ Yes ✅ Yes ✅ Yes **Brotli Compression** ✅ Auto ✅ Auto ✅ Config ✅ Config **Image Optimization** ✅ (Polish/Images) ✅ (Bunny Optimizer) ✅ (Fastly IO) ❌ (Via Lambda) **Edge Compute** Workers (JS/Wasm) Edge Scripting Compute@Edge (Wasm) Lambda@Edge / Functions **WAF / Security** ✅ Included Basic ✅ (Signal Sciences) ✅ (AWS WAF, separate) **DDoS Protection** ✅ Unmetered (free) ✅ Included ✅ Included ✅ (AWS Shield) **WordPress Integration** ✅ APO ($5/mo) ✅ Plugin ❌ Manual ❌ Manual **Starting Price** Free $0.01/GB Usage-based (~$0.12/GB) $0.085/GB (varies) **Best For** Most websites Budget speed Real-time content AWS ecosystems **Speed Score (out of 10)** 8.5 9.0 8.0 7.5 **Sources: PageSpeed Matters CDN benchmarks (25+ global locations, January–February 2026), vendor documentation, [CDNPerf](https://www.cdnperf.com/) aggregate data.** **Key insight:** Bunny.net delivers the lowest raw latency at the lowest price. Cloudflare provides the most complete platform (CDN + security + edge compute + analytics) with an unbeatable free tier. Fastly excels where content freshness is measured in milliseconds. CloudFront makes sense primarily when you're already invested in AWS infrastructure. ## TTFB & Latency Performance: Global Benchmarks Below is how each CDN performs across 25+ global locations in aggregate benchmarks and public monitoring data. **Global TTFB Results (Cached Static Asset, 10KB HTML):** Region Cloudflare Bunny.net Fastly CloudFront US East (Virginia) 12ms 10ms 14ms 11ms US West (California) 18ms 14ms 20ms 16ms London 15ms 11ms 16ms 18ms Frankfurt 14ms 10ms 18ms 20ms Singapore 35ms 28ms 42ms 32ms Tokyo 30ms 24ms 38ms 28ms Sydney 38ms 30ms 45ms 35ms São Paulo 42ms 35ms 55ms 40ms Mumbai 40ms 32ms 48ms 38ms Johannesburg 55ms 45ms 68ms 52ms **Global Median** **28ms** **22ms** **32ms** **35ms** **Key Observations:** **Bunny.net** consistently delivers the lowest TTFB across all regions. Their 123 PoPs are strategically placed in high-traffic areas, and their lightweight edge infrastructure minimizes processing overhead. The 22ms global median is remarkable for a CDN at $0.01/GB. **Cloudflare** is a close second at 28ms globally, with the advantage of 330+ PoPs providing excellent coverage in underserved regions (Africa, Middle East, Central Asia). Their Anycast network ensures traffic always hits the nearest PoP. **Fastly** trades raw speed for content freshness. The 32ms median is competitive, but Fastly's real advantage is its 150ms global purge, when content changes, every edge server reflects it nearly instantly. For static content that rarely changes, Fastly isn't the fastest; for dynamic content that changes constantly, it's unbeatable. **CloudFront** has the most PoPs (600+) but doesn't always deliver the lowest latency. AWS's complex routing and origin shield processing add overhead. However, CloudFront excels when your origin is already on AWS, the internal network connection to S3/EC2/Lambda eliminates public internet hops. **TTFB Consistency (P99, Worst-Case Latency):** CDN Median TTFB P95 TTFB P99 TTFB Cloudflare 28ms 65ms 120ms Bunny.net 22ms 55ms 95ms Fastly 32ms 70ms 130ms CloudFront 35ms 85ms 180ms Bunny.net is the most consistent, its P99 (worst 1% of requests) is still under 100ms. CloudFront has the widest variance, with tail latencies reaching 180ms due to routing complexity across its massive PoP network. ## Core Web Vitals Impact: How CDN Choice Affects LCP, INP & CLS A CDN's impact on Core Web Vitals goes far beyond TTFB. Here's how each CDN affects your actual CWV scores. **LCP Impact:** LCP is the metric most directly improved by CDN selection. A faster TTFB means the browser starts receiving HTML sooner, which accelerates everything downstream. Cloudflare APO tends to deliver the biggest LCP improvement of the group because it caches the entire HTML page at the edge, eliminating PHP processing and database queries for cached pages. Bunny.net and Fastly follow with static-asset and image-optimization gains; CloudFront without image optimization typically shows the smallest LCP delta. **INP Impact:** CDNs don't directly affect INP (which measures JavaScript responsiveness), but they influence it indirectly: - Faster asset delivery → browser starts parsing JavaScript sooner → interactive sooner - Edge compute (Cloudflare Workers, Fastly Compute@Edge) can move processing off the client - Cloudflare Zaraz runs third-party scripts at the edge, removing them from the main thread entirely, directly improving INP by eliminating script execution **CLS Impact:** CDN image optimization features can improve CLS: - **Cloudflare Polish/Images:** Auto-serves correctly sized images (reduces layout shift from oversized images loading) - **Bunny Optimizer:** Automatic WebP conversion + responsive resizing - **Fastly Image Optimizer:** Real-time image transformation at the edge - **CloudFront:** No native image optimization, requires Lambda@Edge custom implementation All CDNs that serve optimized images help prevent CLS from images loading at unexpected dimensions. **The CWV Verdict:** Biggest overall CWV impact: **Cloudflare APO** (full-page edge caching + Zaraz + image optimization). Best image optimization: **Bunny.net Optimizer** (simplest setup, automatic). Best for dynamic CWV improvement: **Fastly** (instant purge means fresh content without stale cache penalties). CDN choice is one input into CWV, for the full optimization across all three metrics, see our [Core Web Vitals optimization](/services/core-web-vitals-optimization) service. ## Image Optimization & Asset Delivery Modern CDNs offer built-in image optimization that can replace dedicated image optimization tools. Here's how they compare. **Cloudflare Images & Polish:** - Polish: Lossless/lossy compression + WebP conversion for Pro+ plans ($20/month) - Cloudflare Images: Full image pipeline, resize, crop, format conversion, responsive variants - Pricing: Polish included in Pro ($20/mo). Images: $5/100K images stored + $1/100K transformations - Quality: Good automatic optimization, solid WebP conversion - Limitation: AVIF support is available but not default; Polish doesn't resize, only compresses **Bunny.net Optimizer:** - Automatic WebP/AVIF conversion based on browser support - On-the-fly resizing via URL parameters (width, height, quality) - Lazy loading injection - Pricing: $9.50/month for Optimizer add-on + $0.01/GB bandwidth - Quality: Excellent, comparable to dedicated services like Imgix at a fraction of the cost - Standout: Simplest setup of any CDN image optimizer **Fastly Image Optimizer (IO):** - Real-time image transformation: resize, crop, format conversion, quality adjustment - URL-based API: /image.jpg?width=400&format=webp&quality=80 - AVIF support - Pricing: Enterprise pricing (custom quotes) - Quality: Professional-grade, used by major publishers and e-commerce sites - Standout: Most powerful transformation engine, but enterprise pricing limits accessibility **AWS CloudFront:** - No native image optimization - Requires Lambda@Edge or CloudFront Functions for image transformation - Custom implementation: significant development effort for resize/format conversion - Alternative: Use CloudFront with a dedicated image CDN (Imgix, Cloudinary) as origin - Standout: Maximum flexibility if you build it, but nothing out of the box **Image Optimization Verdict:** Best value: **Bunny.net Optimizer** ($9.50/month for full pipeline). Most integrated: **Cloudflare** (Polish + Images within the same platform). Most powerful: **Fastly IO** (enterprise-grade real-time transforms). Most effort: **CloudFront** (build it yourself). ## Edge Compute & Advanced Features CDNs in 2026 are application platforms, beyond cache layers. Edge compute capabilities determine what you can offload from your origin server. **Cloudflare Workers:** - JavaScript + WebAssembly at 330+ edge locations - 0ms cold start (no container spin-up) - Workers KV for edge key-value storage, R2 for object storage, D1 for edge SQLite - Zaraz: Run third-party scripts (analytics, marketing pixels) at the edge, zero client-side JavaScript - Use cases: A/B testing, geo-personalization, authentication, API routing, full applications - Pricing: Free tier (100K requests/day), then $5/month + $0.50/million requests - **Zaraz is a major improvement** for performance: it moves Google Analytics, Facebook Pixel, and other tracking scripts off the client entirely, directly improving INP and LCP **Bunny.net Edge Scripting:** - JavaScript-based edge scripting (Deno runtime) - Simpler API than Workers, designed for straightforward use cases - Edge Storage for static assets and application data - Use cases: Redirects, header manipulation, A/B testing, geo-routing - Pricing: Included in CDN pricing, no separate compute charges - Limitation: Less mature ecosystem than Cloudflare Workers, fewer integrations **Fastly Compute@Edge:** - WebAssembly-based (Rust, Go, JavaScript compiled to Wasm) - Sub-millisecond cold starts - Real-time logging and debugging - Use cases: Authentication at the edge, real-time content assembly, personalization, API gateways - Pricing: Enterprise pricing (custom quotes) - Standout: The most performant edge compute runtime, Wasm execution is faster than JavaScript V8 **AWS Lambda@Edge / CloudFront Functions:** - Lambda@Edge: Node.js/Python functions at regional edge caches (not all PoPs) - CloudFront Functions: Lightweight JavaScript at all 600+ PoPs (sub-millisecond, limited functionality) - Use cases: Header manipulation (CF Functions), authentication, image processing, A/B testing (Lambda@Edge) - Pricing: Lambda@Edge: $0.60/million + duration. CF Functions: $0.10/million - Limitation: Lambda@Edge has cold starts (100–500ms). CF Functions are fast but extremely limited (2MB memory, 10KB code limit) **Edge Compute Verdict:** Most complete platform: **Cloudflare** (Workers + KV + R2 + D1 + Zaraz). Best raw performance: **Fastly Compute@Edge** (Wasm). Best value: **Bunny.net** (included in CDN pricing). Most complex: **CloudFront** (two separate runtimes with different limitations). ## Pricing Comparison: Total Cost of Ownership CDN pricing is notoriously complex. Here's an apples-to-apples comparison for common scenarios. **Scenario 1: Small Business Website (50K monthly visitors, 500GB/month bandwidth)** CDN Monthly Cost Includes Cloudflare Free $0 CDN, DDoS, basic WAF, HTTP/3, Brotli Cloudflare Pro $20 \+ Polish image optimization, better WAF, faster support Bunny.net $5 CDN + basic features Bunny.net + Optimizer $14.50 CDN + image optimization Fastly ~$60 CDN (usage-based at ~$0.12/GB) CloudFront ~$42 CDN only (no WAF, no image optimization) **Scenario 2: Medium E-Commerce (500K monthly visitors, 5TB/month bandwidth)** CDN Monthly Cost Includes Cloudflare Pro $20 CDN, Polish, WAF, DDoS Cloudflare Business $200 \+ Custom WAF rules, SLA Bunny.net + Optimizer $59.50 CDN ($50) + Optimizer ($9.50) Fastly ~$600 CDN (usage-based) CloudFront ~$425 CDN only + AWS WAF (~$30) **Scenario 3: High-Traffic Media/Enterprise (5M monthly visitors, 50TB/month)** CDN Monthly Cost Includes Cloudflare Business $200 Flat rate regardless of bandwidth Cloudflare Enterprise Custom ($3K–$10K+) Full platform, SLA, dedicated support Bunny.net ~$500 Volume pricing ($0.01/GB) Fastly ~$5,000+ Custom enterprise pricing CloudFront ~$3,500+ Volume discounts available **The pricing revelation:** Cloudflare's flat-rate pricing (Free/$20/$200 regardless of bandwidth) is uniquely advantageous for growing sites. Every other CDN charges per-GB, meaning costs scale linearly with traffic. A viral blog post that 10x your traffic costs $0 extra on Cloudflare but could cost hundreds on CloudFront or Fastly. **Hidden Costs to Watch:** - CloudFront: WAF ($5/month + $1/rule + $0.60/million requests), Shield Advanced ($3,000/month for advanced DDoS), request pricing on top of bandwidth - Fastly: Enterprise minimums, Signal Sciences WAF pricing - Bunny.net: Optimizer is a separate $9.50/month add-on; Stream (video) has separate pricing - Cloudflare: Workers beyond free tier, Images storage/transformation fees, advanced bot management on Enterprise only **Pricing Verdict:** Best free tier: **Cloudflare** (nothing comes close). Best budget option: **Bunny.net** ($0.01/GB). Best flat-rate for growth: **Cloudflare Pro/Business** ($20/$200 unlimited bandwidth). Most expensive: **Fastly** and **CloudFront** (enterprise pricing at scale). ## Who Wins & When: Decision Framework by Use Case The best CDN depends on your technical stack, traffic patterns, and budget. **Choose Cloudflare If:** - You want the most complete platform (CDN + security + compute + analytics) in one dashboard - You're running WordPress, APO ($5/month) is transformative for performance - You need DDoS protection and WAF included at no extra cost - You want to move third-party scripts off the client with Zaraz - Budget predictability matters, flat-rate pricing regardless of traffic spikes - You need edge compute (Workers) for A/B testing, personalization, or API routing - **Best for:** Most websites, WordPress, Shopify, growing businesses, anyone who wants the best free tier **Choose Bunny.net If:** - Raw speed at the lowest possible cost is your priority - You need simple, no-nonsense CDN without platform complexity - Image optimization is important and you want it cheap ($9.50/month) - You're cost-sensitive but won't compromise on global latency - You prefer straightforward per-GB pricing without hidden fees - You need video delivery (Bunny Stream is excellent and affordable) - **Best for:** Budget-conscious sites, media/video delivery, developers who want simplicity, agencies managing multiple client sites **Choose Fastly If:** - Content freshness is measured in seconds or less (news, stock data, live scores) - You need instant global cache purge (150ms, 10x faster than competitors) - You're building a custom edge application with Compute@Edge (Wasm) - You're an enterprise with real-time content delivery requirements - You need enterprise-grade image optimization (Fastly IO) - **Best for:** News/media publishers, financial data, live events, enterprise custom edge applications **Choose AWS CloudFront If:** - Your origin infrastructure is already on AWS (S3, EC2, ECS, Lambda) - You need the widest geographic PoP coverage (600+ locations) - Your team already manages AWS infrastructure and billing - You need deep integration with AWS services (WAF, Shield, Lambda@Edge) - Enterprise compliance requirements dictate AWS ecosystem - **Best for:** AWS-native architectures, enterprise compliance, teams already on AWS **Use Case Matrix:** Scenario Winner Why WordPress site Cloudflare (APO) Full-page edge caching, $5/month Shopify store Cloudflare Zaraz for scripts + free DDoS Budget static site Bunny.net Lowest cost, lowest latency News/media publisher Fastly 150ms instant purge AWS-hosted SaaS CloudFront Native AWS integration Video streaming Bunny.net Bunny Stream, low cost E-commerce (custom) Cloudflare or Bunny Depends on budget vs. features Real-time data Fastly Instant cache invalidation Agency (multi-site) Bunny.net or Cloudflare Simple management, low per-site cost Maximum security + speed Cloudflare Enterprise Unmetered DDoS + WAF + CDN WordPress + Cloudflare APO is the budget-best fast stack, and the foundation our [WordPress speed optimization service](/services/wordpress-speed-optimization) builds on. Shopify-on-Cloudflare benchmarks well, but the platform-specific wins live in apps and themes, see our [Shopify speed optimization service](/services/shopify-speed-optimization). ## Common CDN Pitfalls & How to Fix Them Even the best CDN won't help if it's misconfigured. These mistakes affect all four providers. **1\. Low Cache Hit Ratio (All CDNs)** The single most common CDN problem: your content isn't actually being served from cache. - Symptom: TTFB doesn't improve after CDN setup. Cache-Status header shows MISS on most requests. - Causes: Short TTLs, missing Cache-Control headers, cookies preventing caching, query strings creating unique cache keys - Fix: Set Cache-Control: public, max-age=31536000 for static assets. Use stale-while-revalidate for HTML. Strip unnecessary cookies and query parameters from cache keys. - Target: 90%+ cache hit ratio for static assets, 70%+ for HTML pages **2\. Not Caching HTML Pages (WordPress/CMS)** Most CDN setups only cache static assets (images, CSS, JS), the HTML page itself still hits your origin server on every request. - Cloudflare: Enable APO ($5/month) for automatic HTML caching, or create Page Rules - Bunny.net: Enable Perma-Cache or set Edge Rules for HTML caching - Fastly: Configure VCL or use Surrogate-Control headers for HTML caching - CloudFront: Create behaviors for HTML with appropriate TTL + origin shield - Impact: Caching HTML reduces TTFB from 500ms+ to sub-50ms **3\. Missing Origin Shield (CloudFront & Fastly)** Without origin shield, cache misses from 90+ PoPs all hit your origin simultaneously. - Fix: Enable origin shield (Fastly) or origin shield region (CloudFront) to consolidate cache misses through a single edge location - Impact: Reduces origin load by 60–80% during cache repopulation - Cloudflare and Bunny.net handle this automatically (tiered caching) **4\. No Image Optimization Pipeline** Serving original images through the CDN is a missed opportunity. - Cloudflare: Enable Polish (Pro+) or use Cloudflare Images - Bunny.net: Enable Bunny Optimizer ($9.50/month) - Fastly: Enable Image Optimizer (enterprise) - CloudFront: Build with Lambda@Edge or use a dedicated image CDN as origin - Impact: 30–60% bandwidth savings, improved LCP **5\. Ignoring HTTP/3 and Brotli** All four CDNs support HTTP/3 and Brotli compression, but they're not always enabled by default. - Verify HTTP/3 is enabled (connection negotiation to QUIC) - Verify Brotli compression is active (15–25% smaller than Gzip for text assets) - Check via: curl -I --http3 or browser DevTools Network panel **6\. Not Using Edge Compute for Third-Party Scripts** The biggest untapped CDN performance feature in 2026: - Cloudflare Zaraz moves analytics, pixels, and tracking scripts to the edge, zero client-side JavaScript - This directly improves INP and LCP by removing main-thread competition - No equivalent exists on other CDNs, this is Cloudflare's unique advantage - See our [third-party script guide](/resources/guides) for implementation details **The Bottom Line:** A properly configured CDN with high cache hit ratios, HTML caching, image optimization, and HTTP/3 delivers 50–70% of the performance benefit. The remaining 30–50% comes from edge compute, advanced caching strategies, and platform-specific optimizations. Start with the basics, most sites leave significant performance on the table from misconfiguration alone. ## Real-World Performance by CDN: CrUX Field Data Beyond synthetic tests, here is how sites behind each CDN actually perform for real Chrome users, aggregated across every origin the crawler detected on that provider. CDN Mobile CWV Pass Rate Good Mobile TTFB Good Desktop TTFB Cloudflare 52.0% 47.8% 58.9% Amazon CloudFront 39.0% 54.8% 65.8% Fastly 63.2% 63.8% 82.1% Bunny 47.1% 50.6% 57.3% Source: Chrome UX Report field data via HTTP Archive Technology Report, May 2026 crawl. These are field results across all sites detected on each platform, so they reflect how each stack is typically deployed, not a lab test of the software itself. Fastly leads the group on all three cuts, consistent with its enterprise customer base skewing toward well-optimized origins. Cloudflare shows the widest spread of sites (from carefully tuned SaaS down to unconfigured free-tier deployments), which pulls its mobile pass rate down. CloudFront's TTFB looks strong while its CWV pass rate lags, which usually points to render-blocking and JavaScript issues downstream of the edge rather than delivery. ## Thresholds & Benchmarks Metric Good Needs Improvement Poor TTFB (cached, global median) < 50ms 50–150ms \> 150ms TTFB (uncached, origin response) < 300ms 300–800ms \> 800ms Cache Hit Ratio (static assets) \> 90% 70–90% < 70% Cache Hit Ratio (HTML/dynamic) \> 70% 40–70% < 40% Cache Purge Time (global) < 5s 5–30s \> 30s Compression (text assets) Brotli enabled Gzip only No compression Protocol HTTP/3 + QUIC HTTP/2 only HTTP/1.1 LCP improvement (vs no CDN) \> 1.0s 0.3–1.0s < 0.3s ## Frequently Asked Questions ### Which CDN is the fastest in 2026? Bunny.net delivers the lowest global TTFB (22ms median cached) across our 25-location benchmark. Cloudflare is a close second at 28ms with significantly more PoPs (330+ vs. 123). Fastly and CloudFront are slightly behind at 32ms and 35ms respectively. Raw latency differences of 5–15ms matter less than cache hit ratios and feature utilization. ### Is Cloudflare's free CDN good enough? For most small-to-medium websites, yes. Cloudflare's free tier includes CDN, HTTP/3, Brotli compression, basic WAF, and unmetered DDoS protection, more than any competitor offers for free. Upgrading to Pro ($20/month) adds Polish image optimization and better WAF rules. APO for WordPress ($5/month) adds full-page edge caching. ### How much does a CDN improve Core Web Vitals? The impact depends on origin latency, configuration, and which features are enabled. Documented CDN benefits include lower TTFB from edge caching, Brotli compression, HTTP/3, and image optimization, all of which feed into LCP. Cloudflare APO is the largest single lever for WordPress because it caches full HTML pages at the edge instead of only static assets. Providers that ship image optimization (Cloudflare Polish, Bunny Optimizer, Fastly IO) add further LCP and CLS improvements from smaller, correctly-sized images. ### Do I need a CDN if I'm on Shopify or Squarespace? Shopify includes Fastly CDN and Squarespace includes their own CDN, you don't need a separate CDN for static asset delivery. However, adding Cloudflare in front provides additional benefits: DDoS protection, Zaraz (third-party script optimization), and WAF. For WordPress and custom sites, a CDN is essential, it's the single highest-impact performance improvement you can make. ### What's the difference between Cloudflare APO and regular Cloudflare? Regular Cloudflare caches static assets (images, CSS, JS) at the edge. APO (Automatic Platform Optimization, $5/month for WordPress) also caches the HTML page itself, eliminating PHP processing and database queries for cached requests. This reduces TTFB from 400–800ms to sub-50ms. APO is the single best performance investment for WordPress sites. ### Why is Fastly so much more expensive? Fastly targets enterprise customers who need real-time content delivery (news, financial data, live events). Their 150ms global purge time is 10–100x faster than competitors, critical when stale content has business impact. Their Compute@Edge platform and Image Optimizer are enterprise-grade. For websites that don't need instant purging, Fastly's premium isn't justified. ### Can I use multiple CDNs together? Yes, but it's rarely necessary. Common multi-CDN setups: Cloudflare for CDN/security + Bunny.net Stream for video delivery. Or CloudFront for AWS-hosted application + Cloudflare for DNS/DDoS protection. For most sites, a single CDN (Cloudflare or Bunny.net) handles everything effectively. ### How do I measure if my CDN is working properly? Check three things: 1. Cache hit ratio, look for cf-cache-status: HIT (Cloudflare) or CDN-Cache: HIT headers. Target 90%+ for static assets. 2. TTFB, compare before/after CDN with [WebPageTest](https://www.webpagetest.org/). 3. CrUX data, monitor [Search Console](https://search.google.com/search-console/) CWV report for real-user improvement over 28 days. ### Is Bunny.net reliable enough for production? Yes. Bunny.net has 99.99% uptime SLA, serves over 1 trillion requests annually, and powers major brands and agencies worldwide. Their infrastructure is enterprise-grade despite the budget pricing. The lower cost comes from operational efficiency and simpler feature set, not from infrastructure shortcuts. ### Should I switch from CloudFront to Cloudflare? If you're on AWS and using CloudFront primarily for S3/EC2 origin delivery, the switching cost may not be worth the 5–10ms latency improvement. However, if you're paying separately for AWS WAF, Shield, and lack image optimization, Cloudflare Pro ($20/month flat rate) can save significant money while adding features. Evaluate total cost of ownership, beyond CDN pricing. ## Related Guides [Core Web Vitals ### Core Web Vitals Optimization: How to Improve Core Web Vitals in 2026 Core Web Vitals optimization guide. What are Core Web Vitals, how to improve Core Web Vitals (LCP, INP, CLS), and pass Google's thresholds in 2026 for higher rankings. ](/resources/guides/complete-core-web-vitals-guide)[WordPress ### How to Speed Up Your WordPress Site (2026) Speed up your WordPress site in 2026: hosting, plugins, caching, database, images and Core Web Vitals in one complete, step-by-step optimization guide. ](/resources/guides/ultimate-wordpress-speed-guide) ## Related Terms [Glossary ### Time to First Byte (TTFB) ](/resources/glossary/time-to-first-byte)[Glossary ### Largest Contentful Paint (LCP) ](/resources/glossary/largest-contentful-paint)[Glossary ### Core Web Vitals (CWV) ](/resources/glossary/core-web-vitals)[Glossary ### Interaction to Next Paint (INP) ](/resources/glossary/interaction-to-next-paint)[Glossary ### Cumulative Layout Shift (CLS) ](/resources/glossary/cumulative-layout-shift) Sources - [Chrome UX Report (CrUX), Official Dataset](https://developer.chrome.com/docs/crux) - [CDNPerf, Real-Time CDN Performance Monitoring](https://www.cdnperf.com/) - [Cloudflare, Network Map](https://www.cloudflare.com/network/) - [Bunny.net, Global Network](https://bunny.net/network) - [Fastly, Network Map](https://www.fastly.com/network-map) - [AWS CloudFront, Edge Locations](https://aws.amazon.com/cloudfront/features/) - [Google, Web Vitals Business Impact](https://web.dev/articles/vitals-business-impact) - [HTTP Archive, Web Almanac Performance Chapter](https://almanac.httparchive.org/en/2024/performance) [![PageSpeed Matters](/assets/logo-DtyG_mQE.png)](/) We optimize website load times to rank higher, decrease advertising costs, and convert more often. 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