What powers ocsigen.org?

Last seen Aug 2026 · 6 technologies across 6 categories

Caching

Varnish
since Jul 2022

CDN

Fastly
since Jul 2022

Hosting

Infomaniak
since Feb 2024

JavaScript libraries

Highlight.js
since Aug 2026

Miscellaneous

Open Graph
since Aug 2026

PaaS

GitHub Pages
since Jul 2022

AI Crawlers

Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Sep 2026.

Training crawlers

  • Applebot-Extended Allowed
  • CCBot Allowed
  • ClaudeBot Allowed
  • Google-Extended Allowed
  • GPTBot Allowed

Search and AI assistants

  • OAI-SearchBot Allowed
  • PerplexityBot Allowed

User-request fetchers

  • ChatGPT-User Allowed

The other 25 AI crawlers we track are not mentioned and stay allowed by default.

Content Signals: search=yes ai-train=yes ai-input=yes declared in robots.txt

See who blocks each AI crawler across the web

Top search keywords

KeywordPositionEst. monthly visits
lwt #8 32
eliom #1 21
ocsigen #1 16
lwt ocaml #1 16
ocaml js #2 4
lwt #32 3
ocaml-wasm #5 1
js of ocaml #8 1
lwt ocaml #11 1
lwt meaning #36 1
webgl debugging #90 0
what does deriving #37 0
nodetype in js #52 0
ocaml utop #23 0
ocaml to javascript #28 0
ocaml tail recursion #22 0
ocaml sets #41 0
ocaml online #32 0
ocaml lwt #99 0
ocaml lwt #95 0
ocaml lwt #91 0
ocaml lwt #27 0
ocaml js #94 0
ocaml js #12 0
priorityqueue api #76 0

The site's top keywords in Google (US), with the visits each one is estimated to bring per month.

Top backlinks

Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.

AI Crawlers

No AI crawlers blocked

Standards: llms.txt, Content Signals

Full breakdown

Open Page Rank

5.14 / 10 · ranked #234,001 of all domains

125 referring domains · OpenPageRank

Search traffic

96 est. monthly organic visits (US)

40 keywords in Google's top 30

Page

  • CDN: Fastly
  • Weight: 0.4 MB · 23 requests
  • Structured data: OpenGraph

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

  • Hosted on Fastly (185.199.108.153, IPv6)
  • DNS: infomaniak.com
  • Email: Infomaniak
  • Email security: no SPF record, no DMARC record
  • SSL: Let's Encrypt, RSA 2048, expires Nov 2026
  • Common Crawl link graph: rank 100,030, 2 hosts

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

Full technology history →
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