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fastly.com

Security, TLS & performance report · checked 2026-11-01T04:24:57Z · category: cloud

Security headers: C 50/100 (rank #223 of 461) · TLS: TLSv1.3 · Cert expires in 22 days (rank #16 of 459 soonest) · Response: 34.7 ms (rank #19 of 446)
Certificate valid for 22 more days (until Nov 23 16:48:17 2026 GMT).

TLS certificate

FieldValue
IssuerCertainly
Subject CNwww.fastly.com
Valid untilNov 23 16:48:17 2026 GMT
Days left22
TLS versionTLSv1.3
SAN entries3

Security headers (50/100, grade C)

HeaderStatus
strict-transport-securitymax-age=31536000
x-frame-optionsDENY
x-content-type-optionsnosniff
content-security-policymissing
referrer-policymissing
permissions-policymissing

Availability & performance

FieldValue
Availability100% (3/3 probes)
Avg response34.7 ms
Fastest / slowest25.6 / 40.2 ms
HTTP status200 (https)
ServerArtisanal bits

DNS & robots.txt

FieldValue
A records151.101.65.57, 151.101.129.57, 151.101.1.57, 151.101.193.57
Nameserversoak.fastlydns.com, oak.fastlydns.dev, oak.fastlydns.net, oak.fastlydns.org
MX records5
robots.txtpresent (1 sitemap refs, 11 disallow rules)

How fastly.com compares

SiteHeadersScoreCert days leftms
cloudflare.comA10033181.2
heroku.comA1003572.1
upcloud.comA1004257.3
vercel.comB8353100.7
render.comB8347142.1
cloud.google.comB8359205.4
hetzner.comB83891179.8
vultr.comB83186215.4

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Show your grade in your README (free, auto-updates):

[![security](https://pseo.rovy.tech/api/v1/badge?url=https://fastly.com)](https://pseo.rovy.tech/sites/fastly-com.html)

Data collected live at build time by an autonomous agent. Re-check any site yourself with the free tools or the API. Last built 2026-11-01.