Technology history for chelseaschools.com
Stack size over time
From 8 detected technologies in Apr 2018 to 28 in Jun 2026.
Currently detected
- Bootstrap since Apr 2018
- Google Font API since Apr 2018
- jQuery since Apr 2018
- jQuery Migrate since Apr 2018
- Google Analytics since Jun 2018
- jQuery UI since Mar 2020
- Google Tag Manager since Mar 2021
- Java since Oct 2021
- Google Workspace since Aug 2022
- HSTS since Sep 2022
- Open Graph since Sep 2022
- Apple iCloud Mail since Jan 2023
- Cloudflare Browser Insights since Nov 2025
- Cloudflare since Nov 2025
- Bootstrap Icons since Nov 2025
- Firebase since Nov 2025
- CodeMirror since Nov 2025
- Htmx since Nov 2025
- HTTP/3 since Nov 2025
- libphonenumber since Nov 2025
- jsDelivr since Nov 2025
- Moment.js since Nov 2025
- Lightbox since Nov 2025
- Preact since Nov 2025
- Selectize since Nov 2025
- Weglot since Nov 2025
- Stimulus since Mar 2026
- VideoJS since Jun 2026
Previously used
- Amazon CloudFront Sep 2021 to Oct 2025 · 4 yrs
- Amazon Web Services Sep 2021 to Oct 2025 · 4 yrs
- Google Hosted Libraries Nov 2023 to Oct 2025 · 1 yr
- HeadJS Sep 2021 to Oct 2025 · 4 yrs
- jQuery Mobile Apr 2022 to Oct 2025 · 3 yrs
- Mustache Mar 2020 to Oct 2025 · 5 yrs
- New Relic Apr 2020 to Oct 2025 · 5 yrs
- Pendo Oct 2022 to Oct 2025 · 3 yrs
- SWFObject Mar 2020 to Oct 2025 · 5 yrs
- IIS Mar 2020 to Sep 2025 · 5 yrs
- Microsoft ASP.NET Mar 2020 to Sep 2025 · 5 yrs
- Windows Server Mar 2020 to Sep 2025 · 5 yrs
- YouTube May 2023 to Feb 2025 · 1 yr
- Facebook Login Sep 2021 to Sep 2024 · 3 yrs
- Twitter Mar 2020 to Sep 2024 · 4 yrs
- Twitter Ads Sep 2021 to Sep 2024 · 3 yrs
- Choices Apr 2022 to Nov 2022 · 7 mo
- Google Remarketing Tag Sep 2021 to May 2022 · 8 mo
- Facebook Mar 2020 to Apr 2022 · 2 yrs
- Wheelio Sep 2021 to Sep 2021 · 1 mo
- Animate.css Apr 2018 to Feb 2020 · 1 yr
- Apache HTTP Server Apr 2018 to Feb 2020 · 1 yr
- FancyBox Jun 2018 to Feb 2020 · 1 yr
- Font Awesome Apr 2018 to Feb 2020 · 1 yr
- PHP Jun 2018 to Feb 2020 · 1 yr
- Ubuntu Apr 2018 to Feb 2020 · 1 yr
Timeline
2026 1 added · 1 switched
2025 17 added · 11 dropped · 2 switched
- dropped Amazon CloudFront Dec 2025 · CDN
- dropped Amazon Web Services Dec 2025 · PaaS
- dropped Google Hosted Libraries Dec 2025 · CDN
- dropped HeadJS Dec 2025 · JavaScript libraries
- dropped jQuery Mobile Dec 2025 · Mobile frameworks
- dropped New Relic Dec 2025 · RUM
- added Bootstrap Nov 2025 · UI frameworks
- added Bootstrap Icons Nov 2025 · Font scripts
- added Cloudflare Nov 2025 · CDN
- switched Pendo Cloudflare Browser Insights Nov 2025 · Analytics
- added CodeMirror Nov 2025 · Editors
- added Firebase Nov 2025 · Databases
- added Google Tag Manager Nov 2025 · Tag managers
- added Htmx Nov 2025 · JavaScript libraries
- switched SWFObject HTTP/3 Nov 2025 · Miscellaneous
- dropped IIS Nov 2025 · Web servers
- added Java Nov 2025 · Programming languages
- added jsDelivr Nov 2025 · CDN
- added libphonenumber Nov 2025 · JavaScript libraries
- added Lightbox Nov 2025 · JavaScript libraries
- dropped Microsoft ASP.NET Nov 2025 · Web frameworks
- added Moment.js Nov 2025 · JavaScript libraries
- added Preact Nov 2025 · JavaScript libraries
- added Selectize Nov 2025 · JavaScript libraries
- added Weglot Nov 2025 · Translation
- dropped Windows Server Nov 2025 · Operating systems
- added New Relic Oct 2025 · RUM
- dropped New Relic Aug 2025 · RUM
- dropped YouTube Apr 2025 · Video players
- added New Relic Jan 2025 · RUM
2024 4 added · 7 dropped
- dropped Facebook Login Dec 2024 · Authentication
- dropped Java Dec 2024 · Programming languages
- dropped New Relic Dec 2024 · RUM
- dropped Twitter Dec 2024 · Widgets
- dropped Twitter Ads Dec 2024 · Advertising
- added Java May 2024 · Programming languages
- added New Relic May 2024 · RUM
- dropped Java Apr 2024 · Programming languages
- dropped New Relic Apr 2024 · RUM
- added Java Jan 2024 · Programming languages
- added New Relic Jan 2024 · RUM
2023 2 added · 4 dropped
- added Google Hosted Libraries Nov 2023 · CDN
- dropped YouTube Nov 2023 · Video players
- added YouTube May 2023 · Video players
- dropped Java Mar 2023 · Programming languages
- dropped New Relic Mar 2023 · RUM
- dropped Choices Feb 2023 · JavaScript libraries
2022 5 added · 6 dropped
- dropped Google Tag Manager Nov 2022 · Tag managers
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added Google Workspace Aug 2022 · Webmail
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- added Java Jul 2022 · Programming languages
- added New Relic Jul 2022 · RUM
- dropped Facebook Jun 2022 · Widgets
- dropped Java May 2022 · Programming languages
- dropped New Relic May 2022 · Analytics
- dropped Wheelio Apr 2022 · Widgets
2021 4 added · 3 dropped
- added Java Oct 2021 · Programming languages
- added New Relic Oct 2021 · Analytics
- dropped Google Tag Manager Jun 2021 · Tag managers
- added Google Tag Manager Mar 2021 · Tag managers
- dropped Mustache Mar 2021 · JavaScript frameworks
- dropped New Relic Mar 2021 · Analytics
- added New Relic Jan 2021 · Analytics
2020 7 added · 6 dropped · 3 switched
- dropped New Relic Dec 2020 · Analytics
- added New Relic Sep 2020 · Analytics
- dropped New Relic Jul 2020 · Analytics
- dropped Animate.css Apr 2020 · Web Frameworks
- dropped Bootstrap Apr 2020 · Web Frameworks
- dropped Font Awesome Apr 2020 · Font Scripts
- added New Relic Apr 2020 · Analytics
- dropped PHP Apr 2020 · Programming Languages
- added Facebook Mar 2020 · Widgets
- switched Apache HTTP Server IIS Mar 2020 · Web Servers
- switched FancyBox jQuery UI Mar 2020 · JavaScript Libraries
- added Microsoft ASP.NET Mar 2020 · Web Application Frameworks
- added Mustache Mar 2020 · JavaScript Frameworks
- added SWFObject Mar 2020 · Miscellaneous
- added Twitter Mar 2020 · Widgets
- switched Ubuntu Windows Server Mar 2020 · Operating Systems
2019 11 added
- added Animate.css Mar 2019 · Web Frameworks
- added Apache HTTP Server Mar 2019 · Web Servers
- added Bootstrap Mar 2019 · Web Frameworks
- added FancyBox Mar 2019 · JavaScript Libraries
- added Font Awesome Mar 2019 · Font Scripts
- added Google Analytics Mar 2019 · Analytics
- added Google Font API Mar 2019 · Font Scripts
- added jQuery Mar 2019 · JavaScript Libraries
- added jQuery Migrate Mar 2019 · JavaScript Libraries
- added PHP Mar 2019 · Programming Languages
- added Ubuntu Mar 2019 · Operating Systems
2018 3 added
- added FancyBox Jun 2018 · JavaScript Frameworks
- added Google Analytics Jun 2018 · Analytics
- added PHP Jun 2018 · Programming Languages