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linkedin.com

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

Security headers: B 83/100 (rank #72 of 461) · TLS: TLSv1.3 · Cert expires in 172 days (rank #422 of 459 soonest) · Response: 149.7 ms (rank #189 of 446)
Certificate valid for 172 more days (until Apr 22 23:59:59 2027 GMT).

TLS certificate

FieldValue
IssuerDigiCert Inc
Subject CNlinkedin.com
Valid untilApr 22 23:59:59 2027 GMT
Days left172
TLS versionTLSv1.3
SAN entries1

Security headers (83/100, grade B)

HeaderStatus
strict-transport-securitymax-age=31536000
content-security-policyrequire-trusted-types-for 'script';report-uri /recaptcha/challengepage/_/RecaptchaChalleng
x-frame-optionsSAMEORIGIN
x-content-type-optionsnosniff
permissions-policych-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-mode
referrer-policymissing

Availability & performance

FieldValue
Availability100% (3/3 probes)
Avg response149.7 ms
Fastest / slowest146.1 / 155.1 ms
HTTP status200 (https)
ServerESF

DNS & robots.txt

FieldValue
A records130.211.32.14
Nameserversdns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net, dns4.p09.nsone.net
MX records3
robots.txtpresent (0 sitemap refs, 0 disallow rules)

How linkedin.com compares

SiteHeadersScoreCert days leftms
snapchat.comA100161144.9
x.comB8356436.2
facebook.comB837122.3
instagram.comB837208.0
pinterest.comB83117457.9
mastodon.socialB8343102.3
threads.netB837166.0
whatsapp.comB837249.7

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