Technology history for cs128.org
Stack size over time
From 11 detected technologies in Nov 2021 to 24 in May 2026 (peak 25).
Currently detected
- Cloudflare since Nov 2021
- Font Awesome since Nov 2021
- Bootstrap since Nov 2021
- jQuery UI since Nov 2021
- jQuery since Nov 2021
- Turbolinks since Nov 2021
- AlertifyJS since Nov 2021
- cdnjs since Nov 2021
- Ruby since Nov 2021
- Ruby on Rails since Nov 2021
- List.js since Mar 2022
- Marked since Mar 2022
- Ace since Apr 2022
- Cloudflare Browser Insights since Dec 2022
- HTTP/3 since Dec 2022
- PWA since Dec 2022
- Emotion since Jul 2023
- MobX since Jul 2023
- FullCalendar since Feb 2024
- TypeScript since Feb 2024
- Lodash since Apr 2024
- Popper since Apr 2024
- Prism since Sep 2024
- MathJax since Mar 2025
Previously used
- Highlight.js Nov 2021 to May 2024 · 2 yrs
- jQuery CDN Mar 2022 to Mar 2024 · 2 yrs
- jsDelivr Mar 2022 to Mar 2024 · 2 yrs
- Underscore.js Mar 2022 to Mar 2024 · 2 yrs
- YouTube Dec 2022 to Mar 2024 · 1 yr
- Cloudflare Bot Management Mar 2023 to May 2023 · 2 mo
- Cloudflare Network Error Logging Mar 2022 to Jun 2022 · 3 mo
Timeline
2025 1 dropped
- dropped Highlight.js Mar 2025 · JavaScript libraries
2024 1 added · 3 dropped · 1 switched
- dropped jQuery CDN May 2024 · CDN
- dropped jsDelivr May 2024 · CDN
- dropped YouTube May 2024 · Video players
- switched Underscore.js Lodash Apr 2024 · JavaScript libraries
- added Popper Apr 2024 · Miscellaneous
2023 22 added · 2 dropped
- dropped Cloudflare Bot Management Nov 2023 · Security
- added Ace May 2023 · Rich text editors
- added AlertifyJS May 2023 · JavaScript frameworks
- added Bootstrap May 2023 · UI frameworks
- added cdnjs May 2023 · CDN
- added Cloudflare May 2023 · CDN
- added Cloudflare Bot Management May 2023 · Security
- added Cloudflare Browser Insights May 2023 · Analytics
- added Font Awesome May 2023 · Font scripts
- added Highlight.js May 2023 · JavaScript libraries
- added HTTP/3 May 2023 · Miscellaneous
- added jQuery May 2023 · JavaScript libraries
- added jQuery CDN May 2023 · CDN
- added jQuery UI May 2023 · JavaScript libraries
- added jsDelivr May 2023 · CDN
- added List.js May 2023 · JavaScript libraries
- added Marked May 2023 · JavaScript libraries
- added PWA May 2023 · Miscellaneous
- added Ruby May 2023 · Programming languages
- added Ruby on Rails May 2023 · Web frameworks
- added Turbolinks May 2023 · Performance
- added Underscore.js May 2023 · JavaScript libraries
- added YouTube May 2023 · Video players
- dropped Cloudflare Network Error Logging Mar 2023 · Issue trackers
2022 1 added
- added Ace Apr 2022 · Rich text editors