What powers replayweb.page?

Last seen Aug 2026 · 8 technologies across 5 categories

Caching

Varnish
since Oct 2022

CDN

Cloudflare
since Jan 2024
Fastly
since Oct 2022

JavaScript libraries

lit-element v4.0.6
since Oct 2022
lit-html v3.1.4
since Oct 2022

Miscellaneous

Open Graph
since Nov 2024
PWA
since Oct 2022

PaaS

GitHub Pages
since Oct 2022

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

AI Crawlers

No robots.txt, all AI crawlers allowed

Full breakdown

Audience

  • 74% desktop
  • 26% phone
  • United States

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

Open Page Rank

4.69 / 10 · ranked #322,513 of all domains

73 referring domains · OpenPageRank

Core Web Vitals

LCP0.8 s
INP50 ms
CLS0
TTFB300 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • CDN: Fastly
  • Weight: 0.7 MB · 8 requests
  • Structured data: OpenGraph

Homepage as crawled by the HTTP Archive, Sep 2026.

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