Technology history for usalearning.gov
Stack size over time
From 3 detected technologies in Apr 2018 to 40 in Jun 2026 (peak 41).
Currently detected
- UNIX since Apr 2018
- Apache HTTP Server since Apr 2018
- OpenSSL since Apr 2018
- Bootstrap since Aug 2018
- jQuery since Aug 2018
- Font Awesome since Aug 2018
- Google Analytics since Aug 2018
- Nginx since Aug 2018
- PHP since Aug 2018
- Google Font API since Apr 2019
- Webpack since Feb 2020
- Windows Server since Feb 2020
- jQuery UI since Feb 2020
- Microsoft ASP.NET since Feb 2020
- IIS since Feb 2020
- YUI since May 2020
- Moodle since May 2020
- RequireJS since May 2020
- Babel since Jun 2020
- Lodash since Sep 2020
- Typekit since Feb 2021
- React since Jul 2021
- Twitter Ads since Jul 2021
- jsDelivr since Aug 2021
- Azure since Sep 2021
- core-js since Sep 2021
- VideoJS since Apr 2022
- Popper since Apr 2022
- PWA since Aug 2022
- HSTS since Sep 2022
- Drupal since Sep 2022
- Open Graph since Sep 2022
- RSS since Dec 2022
- cdnjs since Jul 2024
- Cloudflare since Jul 2024
- Ubuntu since Jul 2024
- toastr since Sep 2024
- DataTables since Sep 2024
- web-vitals since Jan 2025
- Cloudflare Bot Management since Mar 2025
Previously used
- Modernizr May 2023 to Mar 2025 · 1 yr
- C Feb 2023 to Feb 2023 · 1 mo
- Issuu Jan 2023 to Jan 2023 · 1 mo
- Choices Sep 2022 to Dec 2022 · 3 mo
- Google Tag Manager Jun 2020 to Sep 2022 · 2 yrs
- Google Remarketing Tag Jul 2021 to May 2022 · 10 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Angular Feb 2020 to Jan 2021 · 11 mo
- Chart.js Sep 2020 to Jan 2021 · 4 mo
- YouTube Sep 2020 to Jan 2021 · 4 mo
- Zone.js Feb 2020 to Jan 2021 · 11 mo
- Twitter Jun 2020 to Jun 2020 · 1 mo
- Hammer.js Feb 2020 to Mar 2020 · 1 mo
Timeline
2025 1 added · 1 switched
- added Cloudflare Bot Management Mar 2025 · Security
- switched Modernizr web-vitals Jan 2025 · JavaScript libraries
2023 10 added · 3 dropped · 1 switched
- dropped Font Awesome Dec 2023 · Font scripts
- dropped C May 2023 · Programming languages
- added Drupal May 2023 · CMS
- added jsDelivr May 2023 · CDN
- switched Choices Lodash May 2023 · JavaScript libraries
- added Popper May 2023 · Miscellaneous
- added PWA May 2023 · Miscellaneous
- added React May 2023 · JavaScript frameworks
- added RSS May 2023 · Miscellaneous
- added Twitter Ads May 2023 · Advertising
- added Webpack May 2023 · Miscellaneous
- dropped Issuu Apr 2023 · Miscellaneous
- added C Feb 2023 · Programming languages
- added Issuu Jan 2023 · Miscellaneous
2022 17 added · 3 dropped
- dropped Google Tag Manager Dec 2022 · Tag managers
- added RSS Dec 2022 · Miscellaneous
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added Babel Aug 2022 · Miscellaneous
- added core-js Aug 2022 · JavaScript libraries
- added Google Tag Manager Aug 2022 · Tag managers
- added jsDelivr Aug 2022 · CDN
- added Nginx Aug 2022 · Web servers
- added Popper Aug 2022 · Miscellaneous
- added PWA Aug 2022 · Miscellaneous
- added React Aug 2022 · JavaScript frameworks
- added Twitter Ads Aug 2022 · Advertising
- added VideoJS Aug 2022 · Video players
- added Webpack Aug 2022 · Miscellaneous
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added Popper Apr 2022 · Miscellaneous
- added Tailwind CSS Apr 2022 · UI frameworks
- added VideoJS Apr 2022 · Video players
2021 10 added · 9 dropped · 1 switched
- dropped Wheelio Dec 2021 · Widgets
- added Azure Sep 2021 · PaaS
- added core-js Sep 2021 · JavaScript libraries
- switched Twitter Wheelio Sep 2021 · Widgets
- added jsDelivr Aug 2021 · CDN
- added Babel Jul 2021 · Miscellaneous
- added Google Remarketing Tag Jul 2021 · Retargeting
- added Google Tag Manager Jul 2021 · Tag managers
- added React Jul 2021 · JavaScript libraries
- added Twitter Ads Jul 2021 · Advertising
- added Webpack Jul 2021 · Miscellaneous
- dropped Babel Jun 2021 · Miscellaneous
- dropped Google Tag Manager Jun 2021 · Tag managers
- dropped Webpack Jun 2021 · Miscellaneous
- dropped Angular Mar 2021 · JavaScript frameworks
- dropped Chart.js Mar 2021 · JavaScript graphics
- dropped Lodash Mar 2021 · JavaScript libraries
- dropped YouTube Mar 2021 · Video players
- dropped Zone.js Mar 2021 · JavaScript frameworks
- added Typekit Feb 2021 ·
2020 1 dropped
- dropped Hammer.js Oct 2020 · JavaScript Libraries
2019 7 added · 1 dropped
- dropped jQuery Sep 2019 · JavaScript Libraries
- added Google Font API Apr 2019 · Font Scripts
- added Bootstrap Mar 2019 · Web Frameworks
- added Font Awesome Mar 2019 · Font Scripts
- added Google Analytics Mar 2019 · Analytics
- added jQuery Mar 2019 · JavaScript Libraries
- added Nginx Mar 2019 · Web Servers
- added PHP Mar 2019 · Programming Languages