What powers programming-journal.org?

Last seen Aug 2026 · 9 technologies across 7 categories

Caching

Varnish
since Apr 2019

CDN

Fastly
since Apr 2019

Font scripts

Google Font API
since Aug 2018

JavaScript libraries

jQuery v1.11.2
since Aug 2018

Miscellaneous

Open Graph
since Sep 2022
PWA
since Apr 2024
RSS
since Jan 2023

PaaS

GitHub Pages
since Aug 2018

UI frameworks

Bootstrap v3.4.1
since Aug 2018

AI Crawlers

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

4.24 / 10 · ranked #444,381 of all domains

69 referring domains · OpenPageRank

Page

  • Language: English
  • CDN: Fastly
  • Weight: 0.2 MB · 13 requests
  • Structured data: JSON-LD, OpenGraph

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • The Art Science and Engineering of Programming
  • Founded: 2017

From Wikidata (CC0).

Infrastructure

  • Hosted on Fastly (185.199.108.153)
  • Email: webspace.bz
  • Email security: SPF (soft fail), DMARC monitor only
  • SSL: Let's Encrypt, RSA 2048, expires Nov 2026
  • Common Crawl link graph: rank 474,775
  • Verified with: Google

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

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