What powers okmij.org?

Last seen Aug 2026 · 1 technologies across 1 categories

Web servers

Apache HTTP Server
since Jan 2019

AI Crawlers

No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.

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

See who blocks each AI crawler across the web

Top search keywords

KeywordPositionEst. monthly visits
continuations #28 25
metadata programming #10 11
tagless final #2 5
simple generators #11 3
tagless #11 2
axpy #5 2
denotation semantics #12 2
fixed point combinator #7 2
ski calculus #13 1
staged programming #9 1
more free or freer #34 1
nodds #13 1
haskell generics #5 1
hlist #12 1
zipper data structure #13 0
c quine #49 0
c code for fft #71 0
call/cc #74 0
call/cc #20 0
call-with-current continuation #58 0
category theory pdf #81 0
classes in haskell #23 0
class modules #80 0
class in haskell #30 0
covariant return types #65 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 robots.txt, all AI crawlers allowed

Full breakdown

Audience

  • 51% desktop
  • 49% phone
  • Germany
  • Canada
  • United Kingdom
  • United States
  • India

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

6.34 / 10 · ranked #86,122 of all domains

326 referring domains · OpenPageRank

Search traffic

58 est. monthly organic visits (US)

124 keywords in Google's top 30

Core Web Vitals

LCP1 s
INP25 ms
CLS0
TTFB800 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Weight: 0.0 MB · 2 requests

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

  • Hosted on PAIR-NETWORKS (216.92.24.179, IPv6)
  • DNS: pair.com
  • Email: pair.com
  • Email security: SPF (hard fail), no DMARC record
  • SSL: Let's Encrypt, RSA 2048, expires Dec 2026
  • Common Crawl link graph: rank 36,230, 2 hosts

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

Full technology history →
Report an incorrect detection

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018