Technology history for jcas.or.jp
Stack size over time
From 2 detected technologies in Jan 2019 to 15 in Jun 2026 (peak 16).
Currently detected
- Google Analytics since Jul 2020
- Wix since Dec 2020
- GSAP since Dec 2020
- React since Dec 2020
- Sentry since Dec 2020
- Lodash since Dec 2020
- Bootstrap since Feb 2021
- Google Analytics Enhanced eCommerce since Jun 2021
- Cart Functionality since Nov 2021
- Priority Hints since Jul 2022
- HSTS since Sep 2022
- HTTP/3 since Sep 2022
- Open Graph since Sep 2022
- Google Cloud since Jan 2024
- Google Cloud CDN since Jan 2024
Previously used
- Envoy Nov 2024 to Nov 2025 · 1 yr
- Polyfill Dec 2020 to Mar 2024 · 3 yrs
- Google Tag Manager Jul 2020 to Sep 2022 · 2 yrs
- Fastly May 2022 to Aug 2022 · 3 mo
- Google Remarketing Tag Jul 2021 to May 2022 · 10 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- reCAPTCHA Oct 2021 to Jan 2022 · 3 mo
- RequireJS Mar 2021 to Nov 2021 · 8 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- jQuery Feb 2021 to Aug 2021 · 6 mo
- Apache HTTP Server Jan 2019 to Nov 2020 · 1 yr
- DreamWeaver Jan 2019 to Nov 2020 · 1 yr
Timeline
2026 1 dropped
- dropped Envoy Jan 2026 · Reverse proxies
2025 1 added · 1 dropped
2024 3 added · 1 dropped
- added Envoy Nov 2024 · Reverse proxies
- dropped Polyfill May 2024 · JavaScript libraries
- added Google Cloud Jan 2024 · IaaS
- added Google Cloud CDN Jan 2024 · CDN
2022 7 added · 6 dropped
- dropped Fastly Dec 2022 · CDN
- dropped Google Tag Manager Dec 2022 · Tag managers
- added HSTS Sep 2022 · Security
- added HTTP/3 Sep 2022 · Miscellaneous
- added Open Graph Sep 2022 · Miscellaneous
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- added Priority Hints Jul 2022 · Performance
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added Fastly May 2022 · CDN
- added Tailwind CSS Apr 2022 · UI frameworks
- dropped reCAPTCHA Mar 2022 · Security
- added Polyfill Feb 2022 · JavaScript libraries
- dropped RequireJS Jan 2022 · JavaScript frameworks
2021 11 added · 8 dropped
- dropped Wheelio Dec 2021 · Widgets
- added Cart Functionality Nov 2021 · Ecommerce
- dropped jQuery Oct 2021 · JavaScript libraries
- dropped Polyfill Oct 2021 · JavaScript libraries
- added reCAPTCHA Oct 2021 · Security
- added Wheelio Sep 2021 · Widgets
- added Google Remarketing Tag Jul 2021 · Retargeting
- added Google Analytics Enhanced eCommerce Jun 2021 · Analytics
- added Google Tag Manager Jun 2021 · Tag managers
- added GSAP Jun 2021 · JavaScript frameworks
- added Sentry Jun 2021 · Issue trackers
- dropped Google Tag Manager Mar 2021 · Tag managers
- dropped GSAP Mar 2021 · JavaScript frameworks
- added RequireJS Mar 2021 · JavaScript frameworks
- dropped Sentry Mar 2021 · Issue trackers
- added Bootstrap Feb 2021 · UI frameworks
- added jQuery Feb 2021 · JavaScript libraries
- dropped Apache HTTP Server Jan 2021 · Web servers
- dropped DreamWeaver Jan 2021 · Editors
2020 8 added
- added GSAP Dec 2020 · JavaScript frameworks
- added Lodash Dec 2020 · JavaScript libraries
- added Polyfill Dec 2020 · JavaScript libraries
- added React Dec 2020 · JavaScript frameworks
- added Sentry Dec 2020 · Issue trackers
- added Wix Dec 2020 · Blogs
- added Google Analytics Jul 2020 · Analytics
- added Google Tag Manager Jul 2020 · Tag managers
2019 2 added
- added Apache HTTP Server Mar 2019 · Web Servers
- added DreamWeaver Mar 2019 · Editors