What powers crimrxiv.com?
Last seen Jun 2026 · 13 technologies across 10 categories
Caching
Varnish
since Jun 2023
CDN
Cloudflare
since Jul 2021
Issue trackers
Sentry
since Jul 2021
JavaScript frameworks
React
since Jul 2021
JavaScript libraries
Miscellaneous
Programming languages
Node.js
since Jul 2021
Security
HSTS
since Jun 2023
Web frameworks
Express
since Jul 2021
Webmail
Google Workspace
since Aug 2022
Audience
- 74% desktop
- 26% phone
United Kingdom
Philippines
United States
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.58 / 10 · ranked #389,320 of all domains
130 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 2400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare, Fastly
- Weight: 2.4 MB · 22 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected HTTP/3 Jun 2026
- dropped Cloudflare Browser Insights Apr 2026
- dropped HTTP/3 Apr 2026
- detected Cloudflare Browser Insights Nov 2025
- dropped Heroku Sep 2025