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usa.gov

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

Security headers: C 50/100 (rank #269 of 461) · TLS: TLSv1.3 · Cert expires in 64 days (rank #168 of 459 soonest) · Response: 221.3 ms (rank #245 of 446)
Certificate valid for 64 more days (until Jan 4 19:57:28 2027 GMT).

TLS certificate

FieldValue
IssuerLet's Encrypt
Subject CNfirstgov.gov
Valid untilJan 4 19:57:28 2027 GMT
Days left64
TLS versionTLSv1.3
SAN entries12

Security headers (50/100, grade C)

HeaderStatus
strict-transport-securitymax-age=63072000; includeSubdomains
x-frame-optionsDENY
x-content-type-optionsnosniff
content-security-policymissing
referrer-policymissing
permissions-policymissing

Availability & performance

FieldValue
Availability100% (3/3 probes)
Avg response221.3 ms
Fastest / slowest215.4 / 231.8 ms
HTTP status200 (https)
Servern/a

DNS & robots.txt

FieldValue
A records23.22.13.113
Nameserversdns.gsa.gov, dns2.gsa.gov, dns3.gsa.gov, dns4.gsa.gov
MX records0
robots.txtpresent (1 sitemap refs, 10 disallow rules)

How usa.gov compares

SiteHeadersScoreCert days leftms
gov.ukA1005792.5
whitehouse.govB836362.4
bund.deB83312645.5
un.orgB83141362.1
nato.intB83146432.4
australia.gov.auC6754524.8
europa.euC50117719.7
canada.caC501052628.7

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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.