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wikimedia.org

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

Security headers: F 17/100 (rank #405 of 461) · TLS: TLSv1.3 · Cert expires in 62 days (rank #157 of 459 soonest) · Response: 218.1 ms (rank #242 of 446)
Certificate valid for 62 more days (until Jan 2 18:34:50 2027 GMT).

TLS certificate

FieldValue
IssuerLet's Encrypt
Subject CN*.wikipedia.org
Valid untilJan 2 18:34:50 2027 GMT
Days left62
TLS versionTLSv1.3
SAN entries30

Security headers (17/100, grade F)

HeaderStatus
strict-transport-securitymax-age=106384710; includeSubDomains; preload
content-security-policymissing
x-frame-optionsmissing
x-content-type-optionsmissing
referrer-policymissing
permissions-policymissing

Availability & performance

FieldValue
Availability100% (3/3 probes)
Avg response218.1 ms
Fastest / slowest182.0 / 266.9 ms
HTTP status200 (https)
ServerATS/9.2.16

DNS & robots.txt

FieldValue
A records198.35.26.224
Nameserversns0.wikimedia.org, ns1.wikimedia.org, ns2.wikimedia.org
MX records2
robots.txtabsent (n/a sitemap refs, n/a disallow rules)

How wikimedia.org compares

SiteHeadersScoreCert days leftms
speedtest.netA100161175.3
mozilla.orgB8342106.1
iana.orgB836564.9
whatismyipaddress.comB834534.2
archive.orgC5010073.3
w3.orgC503497.9
ietf.orgC507998.1
ipinfo.ioC5088136.5

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

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