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npmjs.com

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

Security headers: A 100/100 (rank #3 of 461) · TLS: TLSv1.3 · Cert expires in 39 days (rank #56 of 459 soonest) · Response: 73.7 ms (rank #94 of 446)
Certificate valid for 39 more days (until Dec 10 04:46:16 2026 GMT).

TLS certificate

FieldValue
IssuerGoogle Trust Services
Subject CNnpmjs.com
Valid untilDec 10 04:46:16 2026 GMT
Days left39
TLS versionTLSv1.3
SAN entries3

Security headers (100/100, grade A)

HeaderStatus
strict-transport-securitymax-age=31536000; includeSubDomains; preload
content-security-policydefault-src 'none'; script-src 'nonce-UWEF4Ocq3KEPg1o2u4WaOG' 'unsafe-eval' https://challe
x-frame-optionsSAMEORIGIN
x-content-type-optionsnosniff
referrer-policysame-origin
permissions-policyaccelerometer=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(
none missing 🎉

Availability & performance

FieldValue
Availability100% (3/3 probes)
Avg response73.7 ms
Fastest / slowest56.1 / 101.4 ms
HTTP status403 (https)
Servercloudflare

DNS & robots.txt

FieldValue
A records104.17.134.117, 104.17.135.117
Nameserversbayan.ns.cloudflare.com, sandy.ns.cloudflare.com
MX records5
robots.txtabsent (n/a sitemap refs, n/a disallow rules)

How npmjs.com compares

SiteHeadersScoreCert days leftms
pypi.orgA1008922.1
anaconda.orgA1007852.2
rubygems.orgB8312846.1
packagist.orgB8387205.3
pub.devB8370119.6
hex.pmC6742115.3
hub.docker.comC5069129.4
nuget.orgC5079428.4

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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.