Technology history for 502book.com
Stack size over time
From 9 detected technologies in Sep 2024 to 6 in May 2026 (peak 9).
Currently detected
- Baidu Analytics (百度统计) since Sep 2024
- Bootstrap since Sep 2024
- Cloudflare since Sep 2024
- jQuery since Sep 2024
- HTTP/3 since Sep 2024
- Cloudflare Browser Insights since Jul 2025
Previously used
- cdnjs Sep 2024 to Feb 2025 · 5 mo
- Google AdSense Sep 2024 to Feb 2025 · 5 mo
- reCAPTCHA Sep 2024 to Feb 2025 · 5 mo
- Google Tag Manager Sep 2024 to Sep 2024 · 1 mo
Timeline
2025 1 added · 3 dropped
- added Cloudflare Browser Insights Jul 2025 · Analytics
- dropped cdnjs Apr 2025 · CDN
- dropped Google AdSense Apr 2025 · Advertising
- dropped reCAPTCHA Apr 2025 · Security
2024 1 dropped
- dropped Google Tag Manager Nov 2024 · Tag managers