What powers classclock.app?
Last seen Aug 2026 · 23 technologies across 15 categories
Analytics
Matomo
since Jul 2019
Matomo Analytics
since Jul 2022
Caching
Varnish
since Jul 2019
CDN
Cloudflare
since Aug 2026
Fastly
since Jul 2019
Font scripts
Font Awesome
since Nov 2019
Google Font API
since Jul 2022
Issue trackers
Sentry
since Jan 2024
JavaScript frameworks
React
since Jul 2022
JavaScript libraries
Miscellaneous
PWA
since Jun 2023
PaaS
GitHub Pages
since Jul 2019
Vercel
since Jul 2022
Payment processors
Liberapay
since Aug 2026
Programming Languages
Ruby
since Jul 2019
Security
HSTS
since Jun 2023
Tag managers
Matomo Tag Manager
since Jul 2022
Web Frameworks
Ruby on Rails
since Jul 2019
AI Crawlers
robots.txt could not be read at the last check (Aug 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.43 / 10 · ranked #31,990,440 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| CLS | 0.2 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 0.9 MB · 29 requests
Homepage as crawled by the HTTP Archive, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| classclock.app | 16 |
| web.classclock.app | 11 |