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Fastly CDN

People recommend Fastly for performance, security and worldwide scale that holds up under heavy traffic. Critics point to egress costs and awkward configuration.

Summarized from 17 comments.

People recommend Fastly for performance, security and worldwide scale that holds up under heavy traffic. Critics point to egress costs and awkward configuration.

recommend
10
criticize
7
months recommended
8 of 13

Why people love it

  • Handles heavy traffic without extra work · 2

    once allowed us to be featured in a very large newspaper without worries, extra expenses, or extra work

    Nov 2025 · comment

    If it has to be performant, secure, scaled worldwide, and always-on, it uses Fastly.

    Sep 2026 · comment
  • Good CDN choice among alternatives · 3

    outsourcing that to Cloudflare or Fastly or Fly.io or whomever is a reasonable strategy

    Nov 2025 · comment

    lambdas front ended by cloudflare or fastly are great

    Aug 2026 · comment

    Fastly (US) and BunnyCDN (EU) are excellent options

    Dec 2025 · comment

What people warn about

  • Requires client fingerprinting · 2

    Cloudflare/Fastly/Akamai refuse to talk to me before they can grab a unique fingerprint

    May 2026 · comment

    all the other cdn providers do this too, like akamai, fastly, cloudflare, etc.

    Oct 2026 · comment
  • Connectivity and error-response failures · 2

    their fastly CDN not reply to us on IPv6 from the other side of the ocean for some weird reason

    Jun 2026 · comment

    did not notice it was only responding 502s until PyPI alerted them

    Sep 2026 · comment

What hackers pick instead

Every quote

The 15 most detailed of 17 comments. Each links to the original.

  1. once allowed us to be featured in a very large newspaper without worries, extra expenses, or extra work

    Recommends · Nov 2025 · in “Do not put your site behind Cloudflare if you don't need to”

  2. outsourcing that to Cloudflare or Fastly or Fly.io or whomever is a reasonable strategy

    Recommends · Nov 2025 · in “Micro.blog launches new 'Studio' tier with video hosting”

  3. If it has to be performant, secure, scaled worldwide, and always-on, it uses Fastly.

    Recommends · Sep 2026 · in “Ask HN: Who is hiring? (September 2026)”

  4. lambdas front ended by cloudflare or fastly are great

    Recommends · Aug 2026 · in “AWS Webhook Serverless Ingestion”

  5. Fastly (US) and BunnyCDN (EU) are excellent options

    Recommends · Dec 2025 · in “Ask HN: Cloudflare WAF Alternatives?”

  6. their fastly CDN not reply to us on IPv6 from the other side of the ocean for some weird reason

    Criticizes · Jun 2026 · in “Google Hits 50% IPv6”

  7. Cloudflare/Fastly/Akamai refuse to talk to me before they can grab a unique fingerprint

    Criticizes · May 2026 · in “How you probably will find Satoshi”

  8. all the other cdn providers do this too, like akamai, fastly, cloudflare, etc.

    Criticizes · Oct 2026 · in “Google is silently linking your phone number across all signed-in accounts”

  9. did not notice it was only responding 502s until PyPI alerted them

    Criticizes · Sep 2026 · in “PyPI Blog: Incident File Hosting Errors”

  10. we needed a CDN with particular features and Fastly was a better fit.

    Recommends · Jun 2026 · in “Three of our worst VC stories”

  11. Cloudflare and Fastly to do roughly the same thing

    Mixed · May 2026 · in “I rebuilt my blog's cache. Bots are the audience now”

  12. Fastly, the CDN they use, should get the credit.

    Recommends · Mar 2026 · in “GitHub's Historic Uptime”

  13. Going to Fastly's site I see egress costs that makes me think I could probably be better of just staying on AWS

    Criticizes · Nov 2025 · in “GoSign Desktop RCE flaws affecting users in Italy”

  14. Fastly accepted the blackmail that Cloudflare refused

    Criticizes · Apr 2026 · in “Tell HN: docker pull fails in spain due to football cloudflare block”

  15. fastly-hosted services are a bit awkard to configure

    Criticizes · Nov 2025 · in “Imgur geo-blocked the UK, so I geo-unblocked my network”

Counts from 1,795,640 Hacker News comments, Nov 2025 to Nov 2026. How we count · Report a mistake