What powers bckrlab.org?

Last seen Aug 2026 · 17 technologies across 9 categories

Caching

Varnish
since Nov 2022

CDN

cdnjs
since Sep 2025
Cloudflare
since Sep 2025
Fastly
since Nov 2022
jsDelivr
since Nov 2022

Font scripts

Google Font API
since Nov 2022

JavaScript frameworks

Handlebars
since Jan 2024

JavaScript graphics

Chart.js
since Nov 2022
MathJax v3.2.2
since Nov 2022

JavaScript libraries

core-js v3.3.2
since Nov 2022
jQuery v3.6.0
since Nov 2022
lit-element v4.0.5
since Sep 2025
lit-html v3.1.3
since Sep 2025

PaaS

GitHub Pages
since Nov 2022

Security

HSTS
since Nov 2022

UI frameworks

Bootstrap v4.20.0
since Nov 2022
MDBootstrap
since Nov 2022

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

1.13 / 10 · ranked #10,680,893 of all domains

3 referring domains · OpenPageRank

Search traffic

15 est. monthly organic visits (US)

7 keywords in Google's top 30

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