What powers retro.pizza?

Last seen Aug 2026 · 6 technologies across 5 categories

JavaScript libraries

core-js v3.49.0
since Jan 2023

Message boards

Mastodon
since Jan 2023

Miscellaneous

Open Graph
since Jan 2023
PWA
since Jan 2023

Security

HSTS
since Jan 2023

Widgets

Patreon
since May 2023

AI Crawlers

Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.

Training crawlers

  • GPTBot Blocked

The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.

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

See who blocks each AI crawler across the web

AI Crawlers

1 of 33 AI crawlers blocked

Full breakdown

Open Page Rank

4.69 / 10 · ranked #344,981 of all domains

106 referring domains · OpenPageRank

Page

  • Language: English
  • Weight: 5.6 MB · 144 requests
  • Structured data: OpenGraph

Homepage as crawled by the HTTP Archive, Aug 2026.

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