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crates.io

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

Security headers: F 17/100 (rank #348 of 461) · TLS: TLSv1.3 · Cert expires in 107 days (rank #328 of 459 soonest) · Response: 156.5 ms (rank #201 of 446)
Certificate valid for 107 more days (until Feb 16 15:26:58 2027 GMT).

TLS certificate

FieldValue
IssuerGlobalSign nv-sa
Subject CNcrates.io
Valid untilFeb 16 15:26:58 2027 GMT
Days left107
TLS versionTLSv1.3
SAN entries2

Security headers (17/100, grade F)

HeaderStatus
strict-transport-securitymax-age=31536000; includeSubDomains
content-security-policymissing
x-frame-optionsmissing
x-content-type-optionsmissing
referrer-policymissing
permissions-policymissing

Availability & performance

FieldValue
Availability100% (3/3 probes)
Avg response156.5 ms
Fastest / slowest84.6 / 285.5 ms
HTTP status404 (https)
ServerHeroku

DNS & robots.txt

FieldValue
A records151.101.66.137, 151.101.194.137, 151.101.130.137, 151.101.2.137
Nameserversns-1064.awsdns-05.org, ns-1543.awsdns-00.co.uk, ns-217.awsdns-27.com, ns-817.awsdns-38.net
MX records2
robots.txtpresent (0 sitemap refs, 1 disallow rules)

How crates.io compares

SiteHeadersScoreCert days leftms
npmjs.comA1003973.7
pypi.orgA1008922.1
anaconda.orgA1007852.2
rubygems.orgB8312846.1
packagist.orgB8387205.3
pub.devB8370119.6
hex.pmC6742115.3
hub.docker.comC5069129.4

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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.