What powers libwebsockets.org?

Last seen Aug 2026 · 2 technologies across 2 categories

Miscellaneous

HTTP/3
since Jun 2026

Security

HSTS
since Sep 2022

AI Crawlers

Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Open Page Rank

4.93 / 10 · ranked #253,818 of all domains

81 referring domains · OpenPageRank

Infrastructure

  • Hosted on BT-UK-AS BTnet UK Regional network (81.156.181.163, IPv6)
  • DNS: libwebsockets.org
  • Email: no MX record returned
  • Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
  • SSL: Let's Encrypt, ECDSA P256, expires Sep 2026
  • Common Crawl link graph: rank 1,888,693, 3 hosts

DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted

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