Technology history for studyplus.jp
Stack size over time
From 3 detected technologies in Apr 2018 to 51 in Jun 2026 (peak 53).
Currently detected
- Google Tag Manager since Apr 2018
- Google AdSense since Apr 2018
- Nginx since Apr 2018
- Bootstrap since Jun 2018
- Chart.js since Jun 2018
- jQuery since Jun 2018
- Ruby since Jun 2018
- Ruby on Rails since Jun 2018
- DoubleClick for Publishers (DFP) since Jun 2018
- Google Analytics since Jun 2018
- New Relic since Jun 2018
- MobX since Mar 2020
- Google Publisher Tag since Feb 2021
- core-js since Sep 2021
- React since Nov 2021
- Turbolinks since Nov 2021
- FreakOut since Feb 2022
- Amazon Web Services since Apr 2022
- Lodash since Apr 2022
- Sentry since Apr 2022
- Vercel since Apr 2022
- Webpack since Apr 2022
- Next.js since Apr 2022
- Node.js since Apr 2022
- Prism since Apr 2022
- Google Workspace since Aug 2022
- HSTS since Sep 2022
- Open Graph since Sep 2022
- RSS since Dec 2022
- GSAP since Feb 2023
- RequireJS since Feb 2023
- Wix since Feb 2023
- Priority Hints since Feb 2023
- MAJIN since Mar 2023
- Google Cloud CDN since Mar 2023
- HTTP/3 since Mar 2023
- Geniee since Mar 2023
- Google Cloud since Mar 2023
- Cloudflare since Jul 2023
- Apple Sign-in since Jan 2024
- Google Sign-in since Jan 2024
- PWA since Jan 2024
- Zendesk since Jan 2024
- Dart since Jan 2024
- Firebase since Jan 2024
- Flutter since Jan 2024
- cdnjs since Oct 2024
- lit-element since Apr 2025
- lit-html since Apr 2025
- Google Maps since Apr 2025
- HubSpot since Jun 2025
Previously used
- Envoy Feb 2025 to Nov 2025 · 9 mo
- Cloudflare Bot Management Jul 2023 to Aug 2025 · 2 yrs
- Emotion Apr 2022 to Dec 2024 · 2 yrs
- Amazon ALB Apr 2022 to Apr 2024 · 2 yrs
- Polyfill Feb 2023 to Feb 2024 · 1 yr
- Amazon SES Jan 2024 to Jan 2024 · 1 mo
- C Feb 2023 to Feb 2023 · 1 mo
- Google Ads Conversion Tracking Jul 2021 to Oct 2022 · 1 yr
- Java Nov 2021 to Oct 2022 · 11 mo
- Google Remarketing Tag Apr 2022 to Apr 2022 · 1 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
Timeline
2026 1 dropped
- dropped Envoy Jan 2026 · Reverse proxies
2025 9 added · 4 dropped
- dropped Cloudflare Bot Management Oct 2025 · Security
- added Envoy Aug 2025 · Reverse proxies
- dropped Envoy Jul 2025 · Reverse proxies
- added HubSpot Jun 2025 · Marketing automation
- added Envoy May 2025 · Reverse proxies
- added Cloudflare Bot Management Apr 2025 · Security
- dropped Envoy Apr 2025 · Reverse proxies
- added Google Maps Apr 2025 · Maps
- added lit-element Apr 2025 · JavaScript libraries
- added lit-html Apr 2025 · JavaScript libraries
- added RequireJS Mar 2025 · JavaScript frameworks
- dropped Emotion Feb 2025 · Development
- added Envoy Feb 2025 · Reverse proxies
2024 4 added · 4 dropped
- added cdnjs Oct 2024 · CDN
- added Cloudflare Oct 2024 · CDN
- dropped RequireJS Aug 2024 · JavaScript frameworks
- dropped Amazon ALB Jun 2024 · Load balancers
- dropped Polyfill Apr 2024 · JavaScript libraries
- dropped Amazon SES Mar 2024 · Email
- added Amazon SES Jan 2024 · Email
- added Zendesk Jan 2024 · Issue trackers
2023 10 added · 7 dropped · 1 switched
- dropped Cloudflare Sep 2023 · CDN
- dropped Cloudflare Bot Management Sep 2023 · Security
- added Google Cloud Sep 2023 · IaaS
- added Google Cloud CDN Sep 2023 · CDN
- added HTTP/3 Sep 2023 · Miscellaneous
- added Cloudflare Jul 2023 · CDN
- added Cloudflare Bot Management Jul 2023 · Security
- dropped Google Cloud Jun 2023 · IaaS
- dropped Google Cloud CDN Jun 2023 · CDN
- dropped HTTP/3 Jun 2023 · Miscellaneous
- dropped C Apr 2023 · Programming languages
- added Geniee Mar 2023 · Advertising
- added Google Cloud Mar 2023 · IaaS
- added Google Cloud CDN Mar 2023 · CDN
- added HTTP/3 Mar 2023 · Miscellaneous
- added MAJIN Mar 2023 · Marketing automation
- switched Java C Feb 2023 · Programming languages
- dropped Google Ads Conversion Tracking Jan 2023 · Analytics
2022 32 added · 2 dropped · 1 switched
- added RSS Dec 2022 · Miscellaneous
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added Amazon ALB Aug 2022 · Load balancers
- added Amazon Web Services Aug 2022 · PaaS
- switched Tailwind CSS Bootstrap Aug 2022 · UI frameworks
- added Chart.js Aug 2022 · JavaScript graphics
- added core-js Aug 2022 · JavaScript libraries
- added DoubleClick for Publishers (DFP) Aug 2022 · Advertising
- added Emotion Aug 2022 · JavaScript frameworks
- added FreakOut Aug 2022 · Advertising
- added Google Ads Conversion Tracking Aug 2022 · Analytics
- added Google AdSense Aug 2022 · Advertising
- added Google Analytics Aug 2022 · Analytics
- added Google Publisher Tag Aug 2022 · Advertising
- added Google Tag Manager Aug 2022 · Tag managers
- added Google Workspace Aug 2022 · Webmail
- added Java Aug 2022 · Programming languages
- added jQuery Aug 2022 · JavaScript libraries
- added Lodash Aug 2022 · JavaScript libraries
- added MobX Aug 2022 · JavaScript libraries
- added New Relic Aug 2022 · RUM
- added Next.js Aug 2022 · Web frameworks
- added Nginx Aug 2022 · Web servers
- added Node.js Aug 2022 · Programming languages
- added Prism Aug 2022 · Miscellaneous
- added React Aug 2022 · JavaScript frameworks
- added Ruby Aug 2022 · Programming languages
- added Ruby on Rails Aug 2022 · Web frameworks
- added Turbolinks Aug 2022 · Performance
- added Vercel Aug 2022 · PaaS
- added Webpack Aug 2022 · Miscellaneous
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- dropped Sentry Jul 2022 · Issue trackers
- added FreakOut Feb 2022 · Advertising
2021 14 added · 8 dropped
- dropped Wheelio Dec 2021 · Widgets
- added Java Nov 2021 · Programming languages
- added React Nov 2021 · JavaScript frameworks
- added Turbolinks Nov 2021 · Performance
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- added Bootstrap Jul 2021 · UI frameworks
- added Chart.js Jul 2021 · JavaScript graphics
- added Google Ads Conversion Tracking Jul 2021 · Analytics
- added jQuery Jul 2021 · JavaScript libraries
- added MobX Jul 2021 · JavaScript libraries
- added New Relic Jul 2021 · Analytics
- added Ruby Jul 2021 · Programming languages
- added Ruby on Rails Jul 2021 · Web frameworks
- dropped Bootstrap Mar 2021 · UI frameworks
- dropped Chart.js Mar 2021 · JavaScript graphics
- dropped jQuery Mar 2021 · JavaScript libraries
- dropped MobX Mar 2021 · JavaScript libraries
- dropped New Relic Mar 2021 · Analytics
- dropped Ruby Mar 2021 · Programming languages
- dropped Ruby on Rails Mar 2021 · Web frameworks
- added Google Publisher Tag Feb 2021 · Advertising
2020 1 added
- added MobX Mar 2020 · JavaScript Libraries
2019 11 added
- added Bootstrap Mar 2019 · Web Frameworks
- added Chart.js Mar 2019 · JavaScript Graphics
- added DoubleClick for Publishers (DFP) Mar 2019 · Advertising Networks
- added Google AdSense Mar 2019 · Advertising Networks
- added Google Analytics Mar 2019 · Analytics
- added Google Tag Manager Mar 2019 · Tag Managers
- added jQuery Mar 2019 · JavaScript Libraries
- added New Relic Mar 2019 · Analytics
- added Nginx Mar 2019 · Web Servers
- added Ruby Mar 2019 · Programming Languages
- added Ruby on Rails Mar 2019 · Web Frameworks