Technology history for serlo.org
Stack size over time
From 2 detected technologies in Apr 2018 to 27 in Jun 2026 (peak 28).
Currently detected
- Cloudflare since Apr 2018
- MathJax since Apr 2018
- Varnish since Jun 2018
- Bootstrap since Jun 2018
- D3 since Jun 2018
- Dojo since Jun 2018
- Google Analytics since Jun 2018
- jQuery since Jun 2018
- jQuery UI since Jun 2018
- Hotjar since Jun 2018
- webpack-2 since Jun 2018
- Webpack since Jul 2018
- Google Cloud since Jul 2018
- Sentry since Oct 2019
- Vercel since Dec 2020
- Next.js since Dec 2020
- Node.js since Dec 2020
- React since Dec 2020
- Simple Analytics since Feb 2022
- Tailwind CSS since Apr 2022
- PWA since Aug 2022
- Google Workspace since Aug 2022
- Open Graph since Sep 2022
- HSTS since Sep 2022
- HTTP/3 since Sep 2022
- Radix UI since Jul 2023
- Astro since Jun 2025
Previously used
- Cloudflare Browser Insights Oct 2025 to Feb 2026 · 4 mo
- Cloudflare Network Error Logging Feb 2022 to Oct 2022 · 8 mo
- Font Awesome Jul 2021 to Apr 2022 · 9 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- styled-components Jul 2021 to Sep 2021 · 2 mo
- Lodash Sep 2018 to Nov 2020 · 2 yrs
- PHP Aug 2019 to Nov 2020 · 1 yr
Timeline
2026 1 dropped
- dropped Cloudflare Browser Insights Apr 2026 · Analytics
2025 2 added
- added Cloudflare Browser Insights Oct 2025 · Analytics
- added Astro Jun 2025 · Static site generator
2023 1 added · 1 dropped
- dropped Cloudflare Network Error Logging Nov 2023 · Issue trackers
- added Radix UI Jul 2023 · UI frameworks
2022 8 added · 3 dropped
- added HSTS Sep 2022 · Security
- added HTTP/3 Sep 2022 · Miscellaneous
- added Open Graph Sep 2022 · Miscellaneous
- added Google Workspace Aug 2022 · Webmail
- added PWA Aug 2022 · Miscellaneous
- dropped Font Awesome Jun 2022 · Font scripts
- added Tailwind CSS Apr 2022 · UI frameworks
- added Cloudflare Network Error Logging Feb 2022 · Issue trackers
- added Simple Analytics Feb 2022 · Analytics
- dropped styled-components Jan 2022 · JavaScript frameworks
- dropped Wheelio Jan 2022 · Widgets
2021 7 added · 5 dropped
- added Wheelio Sep 2021 · Widgets
- added Font Awesome Jul 2021 · Font scripts
- added Next.js Jul 2021 · Web frameworks
- added Node.js Jul 2021 · Programming languages
- added React Jul 2021 · JavaScript libraries
- added Sentry Jul 2021 · Issue trackers
- added styled-components Jul 2021 · Development
- dropped Next.js Mar 2021 · Web servers
- dropped Node.js Mar 2021 · Programming languages
- dropped React Mar 2021 · JavaScript frameworks
- dropped Sentry Mar 2021 · Issue trackers
- dropped Lodash Jan 2021 · JavaScript libraries
2020 3 added · 1 switched
- added Next.js Dec 2020 · Web servers
- switched PHP Node.js Dec 2020 · Programming languages
- added React Dec 2020 · JavaScript frameworks
- added Vercel Dec 2020 · Web servers
2019 4 added
- added Sentry Oct 2019 · Issue Trackers
- added PHP Aug 2019 · Programming Languages
- added Lodash Mar 2019 · JavaScript Libraries
- added Lodash Feb 2019 · JavaScript Libraries
2018 12 added · 1 dropped
- dropped Lodash Dec 2018 · JavaScript Libraries
- added Lodash Sep 2018 · JavaScript Libraries
- added Google Cloud Jul 2018 · CDN
- added Webpack Jul 2018 · Miscellaneous
- added Bootstrap Jun 2018 · Web Frameworks
- added D3 Jun 2018 · JavaScript Graphics
- added Dojo Jun 2018 · JavaScript Frameworks
- added Google Analytics Jun 2018 · Analytics
- added Hotjar Jun 2018 · Analytics
- added jQuery Jun 2018 · JavaScript Frameworks
- added jQuery UI Jun 2018 · JavaScript Frameworks
- added Varnish Jun 2018 · Cache Tools
- added webpack-2 Jun 2018 · Miscellaneous