Technology history for competitiveprogramming.info
Stack size over time
From 11 detected technologies in May 2020 to 11 in Jun 2026 (peak 13).
Currently detected
- D3 since May 2020
- Google Analytics since May 2020
- jQuery since May 2020
- jQuery Mobile since May 2020
- jQuery UI since May 2020
- Knockout.js since May 2020
- Nginx since May 2020
- Ruby since May 2020
- Ruby on Rails since May 2020
- Google Hosted Libraries since Feb 2022
- HSTS since Sep 2022
Previously used
- Ubuntu Sep 2024 to Nov 2025 · 1 yr
- New Relic May 2020 to Jul 2023 · 3 yrs
- C Feb 2023 to Feb 2023 · 1 mo
- Java Sep 2021 to Dec 2022 · 1 yr
- Turbolinks Nov 2021 to Feb 2022 · 3 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Bootstrap May 2020 to Jan 2021 · 8 mo
Timeline
2026 1 dropped
- dropped Ubuntu Jan 2026 · Operating systems
2024 1 added
- added Ubuntu Sep 2024 · Operating systems
2023 2 dropped · 1 switched
- dropped New Relic Sep 2023 · RUM
- dropped C Apr 2023 · Programming languages
- switched Java C Feb 2023 · Programming languages
2022 14 added · 1 dropped
- added HSTS Sep 2022 · Security
- added D3 Aug 2022 · JavaScript graphics
- added Google Analytics Aug 2022 · Analytics
- added Google Hosted Libraries Aug 2022 · CDN
- added Java Aug 2022 · Programming languages
- added jQuery Aug 2022 · JavaScript libraries
- added jQuery Mobile Aug 2022 · Mobile frameworks
- added jQuery UI Aug 2022 · JavaScript libraries
- added Knockout.js Aug 2022 · JavaScript frameworks
- added New Relic Aug 2022 · RUM
- added Nginx Aug 2022 · Web servers
- added Ruby Aug 2022 · Programming languages
- added Ruby on Rails Aug 2022 · Web frameworks
- dropped Turbolinks Apr 2022 · Performance
- added Google Hosted Libraries Feb 2022 · CDN
2021 10 added · 9 dropped
- dropped Wheelio Dec 2021 · Widgets
- added Turbolinks Nov 2021 · Performance
- added Java Sep 2021 · Programming languages
- added Wheelio Sep 2021 · Widgets
- added D3 Jul 2021 · JavaScript graphics
- added jQuery Mobile Jul 2021 · Mobile frameworks
- added jQuery UI Jul 2021 · JavaScript libraries
- added Knockout.js Jul 2021 · JavaScript frameworks
- added New Relic Jul 2021 · Analytics
- added Ruby Jul 2021 · Programming languages
- added Ruby on Rails Jul 2021 · Web frameworks
- dropped Bootstrap May 2021 · UI frameworks
- dropped D3 May 2021 · JavaScript graphics
- dropped jQuery Mobile May 2021 · Mobile frameworks
- dropped jQuery UI May 2021 · JavaScript libraries
- dropped Knockout.js May 2021 · JavaScript frameworks
- dropped New Relic May 2021 · Analytics
- dropped Ruby May 2021 · Programming languages
- dropped Ruby on Rails May 2021 · Web frameworks