Technology history for delessons.org
Stack size over time
From 11 detected technologies in Mar 2021 to 15 in Jun 2026 (peak 19).
Currently detected
- Google Analytics since Mar 2021
- Google Font API since Mar 2021
- Java since Mar 2021
- jQuery since Mar 2021
- jQuery UI since Mar 2021
- Google Hosted Libraries since Apr 2022
- YouTube since Jul 2022
- PWA since Aug 2022
- Google Workspace since Aug 2022
- Open Graph since Sep 2022
- jPlayer since Oct 2022
- Google Tag Manager since May 2023
- Cloudflare since Aug 2025
- Cloudflare Browser Insights since Aug 2025
- HTTP/3 since Aug 2025
Previously used
- Apache HTTP Server Mar 2021 to Jul 2025 · 4 yrs
- Apache Tomcat Mar 2021 to Jul 2025 · 4 yrs
- mod_jk Mar 2021 to Jul 2025 · 4 yrs
- OpenSSL Mar 2021 to Jul 2025 · 4 yrs
- PHP Mar 2021 to Jul 2025 · 4 yrs
- core-js Sep 2021 to May 2023 · 1 yr
- Facebook Pixel Jul 2021 to May 2023 · 1 yr
- Facebook Mar 2021 to Apr 2022 · 1 yr
- Wheelio Sep 2021 to Sep 2021 · 1 mo
Timeline
2025 3 added · 5 dropped
- dropped Apache HTTP Server Sep 2025 · Web servers
- dropped Apache Tomcat Sep 2025 · Web servers
- dropped mod_jk Sep 2025 · Web server extensions
- dropped OpenSSL Sep 2025 · Web server extensions
- dropped PHP Sep 2025 · Programming languages
- added Cloudflare Aug 2025 · CDN
- added Cloudflare Browser Insights Aug 2025 · Analytics
- added HTTP/3 Aug 2025 · Miscellaneous
2023 18 added · 1 dropped · 1 switched
- dropped core-js Jul 2023 · JavaScript libraries
- added Apache HTTP Server May 2023 · Web servers
- added Apache Tomcat May 2023 · Web servers
- added core-js May 2023 · JavaScript libraries
- added Facebook Pixel May 2023 · Analytics
- switched Facebook Pixel Google Analytics May 2023 · Analytics
- added Google Font API May 2023 · Font scripts
- added Google Hosted Libraries May 2023 · CDN
- added Google Tag Manager May 2023 · Tag managers
- added Google Workspace May 2023 · Webmail
- added Java May 2023 · Programming languages
- added jPlayer May 2023 · Video players
- added jQuery May 2023 · JavaScript libraries
- added jQuery UI May 2023 · JavaScript libraries
- added mod_jk May 2023 · Web server extensions
- added Open Graph May 2023 · Miscellaneous
- added OpenSSL May 2023 · Web server extensions
- added PHP May 2023 · Programming languages
- added PWA May 2023 · Miscellaneous
- added YouTube May 2023 · Video players
2022 18 added · 2 dropped
- added Open Graph Sep 2022 · Miscellaneous
- added Apache HTTP Server Aug 2022 · Web servers
- added Apache Tomcat Aug 2022 · Web servers
- added core-js Aug 2022 · JavaScript libraries
- added Facebook Pixel Aug 2022 · Analytics
- added Google Analytics Aug 2022 · Analytics
- added Google Font API Aug 2022 · Font scripts
- added Google Hosted Libraries Aug 2022 · CDN
- added Google Workspace Aug 2022 · Webmail
- added Java Aug 2022 · Programming languages
- added jQuery Aug 2022 · JavaScript libraries
- added jQuery UI Aug 2022 · JavaScript libraries
- added mod_jk Aug 2022 · Web server extensions
- added OpenSSL Aug 2022 · Web server extensions
- added PHP Aug 2022 · Programming languages
- added PWA Aug 2022 · Miscellaneous
- added YouTube Aug 2022 · Video players
- added YouTube Jul 2022 · Video players
- dropped Facebook Jun 2022 · Widgets
- dropped Wheelio Jan 2022 · Widgets
2021 3 added
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- added Facebook Pixel Jul 2021 · Analytics