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julialang.org

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

Security headers: F 17/100 (rank #339 of 461) · TLS: TLSv1.2 · Cert expires in 143 days (rank #381 of 459 soonest) · Response: 173.2 ms (rank #214 of 446)
Certificate valid for 143 more days (until Mar 24 16:06:37 2027 GMT).

TLS certificate

FieldValue
IssuerGlobalSign nv-sa
Subject CNjulialang.org
Valid untilMar 24 16:06:37 2027 GMT
Days left143
TLS versionTLSv1.2
SAN entries1

Security headers (17/100, grade F)

HeaderStatus
strict-transport-securitymax-age=5356800
content-security-policymissing
x-frame-optionsmissing
x-content-type-optionsmissing
referrer-policymissing
permissions-policymissing

Availability & performance

FieldValue
Availability100% (3/3 probes)
Avg response173.2 ms
Fastest / slowest38.5 / 290.2 ms
HTTP status200 (https)
ServerGitHub.com

DNS & robots.txt

FieldValue
A records151.101.194.49, 151.101.130.49, 151.101.66.49, 151.101.2.49
Nameserversdns1.registrar-servers.com, dns2.registrar-servers.com
MX records1
robots.txtpresent (1 sitemap refs, 1 disallow rules)

How julialang.org compares

SiteHeadersScoreCert days leftms
dart.devC678818.5
php.netC5076252.1
swift.orgC5046473.0
haskell.orgC5063485.2
perl.orgC5014451.4
python.orgD3310550.6
nodejs.orgD3368166.8
go.devD3349151.8

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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.