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lua.org

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

Security headers: F 17/100 (rank #338 of 461) · TLS: TLSv1.3 · Cert expires in 69 days (rank #190 of 459 soonest) · Response: 586.1 ms (rank #364 of 446)
Certificate valid for 69 more days (until Jan 9 14:29:15 2027 GMT).

TLS certificate

FieldValue
IssuerLet's Encrypt
Subject CNlua.org
Valid untilJan 9 14:29:15 2027 GMT
Days left69
TLS versionTLSv1.3
SAN entries2

Security headers (17/100, grade F)

HeaderStatus
strict-transport-securitymax-age=0;
content-security-policymissing
x-frame-optionsmissing
x-content-type-optionsmissing
referrer-policymissing
permissions-policymissing

Availability & performance

FieldValue
Availability100% (3/3 probes)
Avg response586.1 ms
Fastest / slowest522.4 / 668.0 ms
HTTP status200 (https)
Servernginx/1.20.1

DNS & robots.txt

FieldValue
A records46.175.8.47
Nameserversdns2.msys.ch, dns1.msys.ch
MX records2
robots.txtabsent (n/a sitemap refs, n/a disallow rules)

How lua.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.