What powers readiab.org?

Last seen Aug 2026 · 19 technologies across 11 categories

Caching

Varnish
since Sep 2022

CDN

cdnjs
since Sep 2022
Cloudflare
since Sep 2022
Fastly
since Sep 2022
Unpkg
since Sep 2022

Documentation

Sphinx
since Sep 2022

Editors

CodeMirror v5.47.0
since Jun 2024

JavaScript frameworks

Backbone.js v1.2.3
since Jun 2024

JavaScript graphics

MathJax v2.7.7
since Feb 2024

JavaScript libraries

Clipboard.js
since Sep 2022
core-js v3.1.3
since Jun 2024
jQuery v3.5.1
since Sep 2022
Underscore.js
since Sep 2022

Miscellaneous

HTTP/3
since Nov 2024
Pygments
since Sep 2022
Webpack
since Jun 2024

PaaS

GitHub Pages
since Sep 2022

Security

HSTS
since Dec 2022

UI frameworks

Bootstrap v4.5.0
since May 2023

AI Crawlers

Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 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

2.83 / 10 · ranked #1,906,280 of all domains

13 referring domains · OpenPageRank

Page

  • CDN: Cloudflare, Fastly
  • Weight: 0.9 MB · 43 requests

Homepage as crawled by the HTTP Archive, Aug 2026.

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