Technology history for school21.org.uk
Stack size over time
From 8 detected technologies in Jan 2019 to 39 in Sep 2026 (peak 40).
Currently detected
- Google Analytics since Jan 2019
- Wix since Jan 2019
- React since Jan 2019
- RequireJS since Jan 2019
- GSAP since Jan 2019
- Lodash since Jan 2019
- Google Font API since Mar 2019
- Polyfill since Jul 2019
- Sentry since Oct 2019
- Bootstrap since Feb 2021
- jQuery since Feb 2021
- Priority Hints since Aug 2022
- Google Workspace since Aug 2022
- Open Graph since Sep 2022
- HSTS since Sep 2022
- Cloudflare since Jan 2023
- HTTP/3 since Jan 2023
- Apple iCloud Mail since Feb 2023
- RSS since Feb 2023
- Cloudways since Sep 2023
- Complianz since Sep 2023
- core-js since Sep 2023
- Elementor since Sep 2023
- Swiper since Sep 2023
- Tippy.js since Sep 2023
- WordPress since Sep 2023
- Yoast SEO since Sep 2023
- MySQL since Sep 2023
- Performance Lab since Sep 2023
- PHP since Sep 2023
- Popper since Sep 2023
- Site Kit since Sep 2023
- jQuery Migrate since Sep 2023
- jQuery UI since Sep 2023
- Hello Elementor since Jan 2024
- particles.js since Oct 2025
- Cloudflare Browser Insights since Nov 2025
- Twitter Emoji (Twemoji) since Dec 2025
- Microsoft 365 since Aug 2026
Previously used
- Underscore.js Jan 2024 to Mar 2026 · 2 yrs
- WPForms Jan 2024 to Mar 2026 · 2 yrs
- Slick Jan 2024 to Apr 2025 · 1 yr
- Stripe Oct 2023 to Oct 2023 · 1 mo
- Google Cloud Jan 2023 to Jun 2023 · 5 mo
- Google Cloud CDN Jan 2023 to Jun 2023 · 5 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- reCAPTCHA Oct 2021 to Jan 2022 · 3 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Google Analytics Enhanced eCommerce Aug 2020 to Jan 2021 · 5 mo
- Google Tag Manager Oct 2019 to Jan 2021 · 1 yr
- Hammer.js Jan 2019 to Oct 2020 · 1 yr
- Webpack Mar 2019 to Oct 2020 · 1 yr
- Zepto Jan 2019 to Oct 2020 · 1 yr
- Nginx Jun 2020 to Aug 2020 · 2 mo
Timeline
2026 1 added · 2 dropped
- added Microsoft 365 Aug 2026 · Webmail
- dropped Underscore.js May 2026 · JavaScript libraries
- dropped WPForms May 2026 · WordPress plugins
2025 4 added · 1 dropped
- added Twitter Emoji (Twemoji) Dec 2025 · Font scripts
- added Cloudflare Browser Insights Nov 2025 · Analytics
- added particles.js Oct 2025 · JavaScript graphics
- dropped Slick Jun 2025 · JavaScript libraries
- added Slick Apr 2025 · JavaScript libraries
2024 5 added · 2 dropped
- dropped Slick Dec 2024 · JavaScript libraries
- added Slick Sep 2024 · JavaScript libraries
- dropped Slick May 2024 · JavaScript libraries
- added Hello Elementor Jan 2024 · WordPress themes
- added Slick Jan 2024 · JavaScript libraries
- added Underscore.js Jan 2024 · JavaScript libraries
- added WPForms Jan 2024 · WordPress plugins
2023 29 added · 7 dropped
- dropped Stripe Dec 2023 · Payment processors
- added Cloudways Sep 2023 · PaaS
- added Complianz Sep 2023 · WordPress plugins
- added core-js Sep 2023 · JavaScript libraries
- added Elementor Sep 2023 · Page builders
- added Google Analytics Sep 2023 · Analytics
- added Google Font API Sep 2023 · Font scripts
- added HTTP/3 Sep 2023 · Miscellaneous
- added jQuery Sep 2023 · JavaScript libraries
- added jQuery Migrate Sep 2023 · JavaScript libraries
- added jQuery UI Sep 2023 · JavaScript libraries
- added MySQL Sep 2023 · Databases
- added Performance Lab Sep 2023 · WordPress plugins
- added PHP Sep 2023 · Programming languages
- added Popper Sep 2023 · Miscellaneous
- added Site Kit Sep 2023 · WordPress plugins
- added Swiper Sep 2023 · JavaScript libraries
- added Tippy.js Sep 2023 · JavaScript libraries
- added WordPress Sep 2023 · CMS
- added Yoast SEO Sep 2023 · WordPress plugins
- dropped Google Cloud Aug 2023 · IaaS
- dropped Google Cloud CDN Aug 2023 · CDN
- dropped HTTP/3 Aug 2023 · Miscellaneous
- added Google Cloud Jun 2023 · IaaS
- added Google Cloud CDN Jun 2023 · CDN
- added HTTP/3 Jun 2023 · Miscellaneous
- dropped Google Cloud May 2023 · IaaS
- dropped Google Cloud CDN May 2023 · CDN
- dropped HTTP/3 May 2023 · Miscellaneous
- added Apple iCloud Mail Feb 2023 · Webmail
- added RSS Feb 2023 · Miscellaneous
- added Cloudflare Jan 2023 · CDN
- added Google Cloud Jan 2023 · IaaS
- added Google Cloud CDN Jan 2023 · CDN
- added HTTP/3 Jan 2023 · Miscellaneous
- added RequireJS Jan 2023 · JavaScript frameworks
2022 6 added · 3 dropped
- dropped RequireJS Oct 2022 · JavaScript frameworks
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added Google Workspace Aug 2022 · Webmail
- added Priority Hints Aug 2022 · Performance
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added Tailwind CSS Apr 2022 · UI frameworks
- dropped reCAPTCHA Mar 2022 · Security
- added Polyfill Feb 2022 · JavaScript libraries
2021 8 added · 8 dropped
- dropped Wheelio Dec 2021 · Widgets
- dropped jQuery Oct 2021 · JavaScript libraries
- dropped Polyfill Oct 2021 · JavaScript libraries
- added reCAPTCHA Oct 2021 · Security
- added Wheelio Sep 2021 · Widgets
- added GSAP Jul 2021 · JavaScript frameworks
- added Sentry Jul 2021 · Issue trackers
- dropped Google Analytics Mar 2021 · Analytics
- dropped Google Analytics Enhanced eCommerce Mar 2021 · Analytics
- dropped Google Tag Manager Mar 2021 · Tag managers
- dropped GSAP Mar 2021 · JavaScript frameworks
- dropped Sentry Mar 2021 · Issue trackers
- added Bootstrap Feb 2021 · UI frameworks
- added jQuery Feb 2021 · JavaScript libraries
- added RequireJS Feb 2021 · JavaScript frameworks
- added Google Analytics Enhanced eCommerce Jan 2021 · Analytics
2020 3 added · 6 dropped
- dropped Google Analytics Enhanced eCommerce Dec 2020 · Analytics
- dropped Hammer.js Dec 2020 · JavaScript libraries
- dropped RequireJS Dec 2020 · JavaScript frameworks
- dropped Webpack Dec 2020 · Miscellaneous
- dropped Zepto Dec 2020 · JavaScript libraries
- added Polyfill Nov 2020 · JavaScript libraries
- dropped Nginx Oct 2020 · Reverse proxies
- added Google Analytics Enhanced eCommerce Aug 2020 · Analytics
- added Nginx Jun 2020 · Reverse proxies
2019 13 added · 4 dropped
- added Google Tag Manager Oct 2019 · Tag Managers
- dropped Polyfill Oct 2019 · JavaScript Libraries
- added Sentry Oct 2019 · Issue Trackers
- dropped Google Font API Sep 2019 · Font Scripts
- added Polyfill Jul 2019 · JavaScript Libraries
- added Google Analytics May 2019 · Analytics
- added Hammer.js May 2019 · JavaScript Libraries
- dropped Google Analytics Apr 2019 · Analytics
- dropped Hammer.js Apr 2019 · JavaScript Libraries
- added Google Font API Mar 2019 · Font Scripts
- added GSAP Mar 2019 · JavaScript Frameworks
- added Lodash Mar 2019 · JavaScript Libraries
- added React Mar 2019 · JavaScript Frameworks
- added RequireJS Mar 2019 · JavaScript Frameworks
- added Webpack Mar 2019 · Miscellaneous
- added Wix Mar 2019 · CMS
- added Zepto Mar 2019 · JavaScript Libraries