What powers castamatic.com?
Last seen Jun 2026 · 5 technologies across 5 categories
CDN
Cloudflare
since Jun 2023
Font scripts
Google Font API
since Jun 2023
Miscellaneous
RSS
since May 2026
Web servers
Webmail
Google Workspace
since Jun 2023
Audience
- 60% desktop
- 40% phone
Vietnam
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.98 / 10 · ranked #581,620 of all domains
92 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 2.6 MB · 12 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Animate.css Jun 2026
- dropped Bootstrap Jun 2026
- dropped cdnjs Jun 2026
- dropped Font Awesome Jun 2026
- dropped jQuery Jun 2026
- detected RSS May 2026
- dropped Apache HTTP Server Feb 2026
- dropped Ubuntu Feb 2026