Technology history for cs50.net
Stack size over time
From 1 detected technologies in Apr 2018 to 49 in Jun 2026.
Currently detected
- Nginx since Apr 2018
- jQuery since Aug 2018
- YouTube since Aug 2018
- Bootstrap since Aug 2018
- DataTables since Aug 2018
- Discourse since Aug 2018
- Ember.js since Aug 2018
- Google Analytics since Aug 2018
- Google Font API since Aug 2018
- Handlebars since Aug 2018
- HCL Commerce since Aug 2018
- Java since Aug 2018
- jQuery UI since Aug 2018
- Lightbox since Aug 2018
- Mixpanel since Aug 2018
- Modernizr since Aug 2018
- Moment.js since Aug 2018
- Phusion Passenger since Aug 2018
- Pygments since Aug 2018
- Python since Aug 2018
- Quill since Aug 2018
- Raphael since Aug 2018
- Ruby since Aug 2018
- Ruby on Rails since Aug 2018
- Sphinx since Aug 2018
- Ubuntu since Aug 2018
- Underscore.js since Aug 2018
- Amazon CloudFront since Apr 2019
- Amazon Web Services since Apr 2019
- Netlify since Apr 2019
- Gauges since Apr 2019
- Clipboard.js since Jun 2020
- Font Awesome since Jun 2020
- Apache HTTP Server since Jul 2020
- Node.js since Jul 2020
- CodeMirror since Jul 2020
- Socket.io since Jul 2020
- jsDelivr since Jul 2020
- cdnjs since Nov 2021
- jQuery CDN since Feb 2022
- Cloudflare since May 2022
- Amazon SES since Aug 2022
- Google Workspace since Aug 2022
- HSTS since Sep 2022
- RSS since Dec 2022
- Google Maps since Aug 2023
- Twitter typeahead.js since Aug 2023
- HTTP/3 since Feb 2024
- Amazon ALB since Mar 2024
Previously used
- C Feb 2023 to Feb 2023 · 1 mo
- Popper Apr 2022 to Jun 2022 · 2 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Babel Mar 2020 to May 2020 · 2 mo
- Hotjar Aug 2018 to Dec 2018 · 4 mo
Timeline
2024 1 added
- added HTTP/3 Feb 2024 · Miscellaneous
2023 1 added · 3 dropped
- dropped C Apr 2023 · Programming languages
- dropped cdnjs Mar 2023 · CDN
- dropped Cloudflare Mar 2023 · CDN
- added C Feb 2023 · Programming languages
2022 15 added · 3 dropped
- added RSS Dec 2022 · Miscellaneous
- added HSTS Sep 2022 · Security
- added Amazon CloudFront Aug 2022 · CDN
- added Amazon SES Aug 2022 · Email
- added Amazon Web Services Aug 2022 · PaaS
- added cdnjs Aug 2022 · CDN
- added Cloudflare Aug 2022 · CDN
- added Gauges Aug 2022 · Analytics
- added Google Workspace Aug 2022 · Webmail
- dropped jQuery CDN Aug 2022 · CDN
- added jsDelivr Aug 2022 · CDN
- added Netlify Aug 2022 · PaaS
- dropped Popper Aug 2022 · Miscellaneous
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added Cloudflare May 2022 · CDN
- added Popper Apr 2022 · Miscellaneous
- added Tailwind CSS Apr 2022 · UI frameworks
- added jQuery CDN Feb 2022 · CDN
2021 3 added · 2 dropped
- dropped Wheelio Dec 2021 · Widgets
- added cdnjs Nov 2021 · CDN
- added Wheelio Sep 2021 · Widgets
- added Gauges Jul 2021 · Analytics
- dropped Gauges Mar 2021 · Analytics
2020 3 added · 1 switched
- added jsDelivr Jul 2020 · CDN
- switched Babel Clipboard.js Jun 2020 · Miscellaneous
- added Font Awesome Jun 2020 · Font scripts
- added Babel Mar 2020 · Miscellaneous