Technology history for chkr.cc
Stack size over time
From 7 detected technologies in Jan 2024 to 11 in Jun 2026 (peak 12).
Currently detected
- Cloudflare since Jan 2024
- jQuery since Jan 2024
- HTTP/3 since Jan 2024
- Umami since Jan 2024
- core-js since Jan 2024
- Cloudflare Rocket Loader since Sep 2024
- Open Graph since Dec 2024
- Cloudflare Browser Insights since Nov 2025
- Astro since Mar 2026
- PWA since Mar 2026
- Cloudflare Zaraz since Apr 2026
Previously used
- Bootstrap Jan 2024 to Feb 2026 · 2 yrs
- cdnjs Jan 2024 to Feb 2026 · 2 yrs
- Microsoft Clarity Feb 2024 to Feb 2026 · 2 yrs
- Unpkg Oct 2025 to Feb 2026 · 4 mo
- Google AdSense Jan 2025 to Jan 2025 · 1 mo
- reCAPTCHA Jan 2025 to Jan 2025 · 1 mo
Timeline
2026 3 added · 4 dropped
- dropped Bootstrap Apr 2026 · UI frameworks
- dropped cdnjs Apr 2026 · CDN
- added Cloudflare Zaraz Apr 2026 · Performance
- dropped Microsoft Clarity Apr 2026 · Analytics
- dropped Unpkg Apr 2026 · CDN
- added Astro Mar 2026 · Static site generator
- added PWA Mar 2026 · Miscellaneous
2025 4 added · 2 dropped
- added Cloudflare Browser Insights Nov 2025 · Analytics
- added Unpkg Oct 2025 · CDN
- dropped Google AdSense Mar 2025 · Advertising
- dropped reCAPTCHA Mar 2025 · Security
- added Google AdSense Jan 2025 · Advertising
- added reCAPTCHA Jan 2025 · Security
2024 3 added
- added Open Graph Dec 2024 · Miscellaneous
- added Cloudflare Rocket Loader Sep 2024 · Performance
- added Microsoft Clarity Feb 2024 · Analytics