Technology history for research.gov
Stack size over time
From 1 detected technologies in Apr 2018 to 21 in Jun 2026.
Currently detected
- jQuery since Apr 2018
- Google Analytics since Jun 2018
- Java Servlet since Jun 2018
- JavaServer Pages since Jun 2018
- Apache HTTP Server since Jun 2018
- Java since Jun 2018
- Red Hat since Jun 2018
- Webtrends since Jun 2018
- mod_dav since Jul 2018
- Font Awesome since Aug 2018
- Nginx since Sep 2021
- Bootstrap since May 2022
- HSTS since Sep 2022
- Underscore.js since Dec 2022
- Backbone.js since Dec 2022
- core-js since Dec 2022
- Lodash since Dec 2022
- Webpack since Dec 2022
- Crazy Egg since Apr 2023
- DataTables since May 2024
- USWDS since Jul 2025
Previously used
- C Feb 2023 to Feb 2023 · 1 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Apache Tomcat Aug 2018 to Aug 2021 · 3 yrs
- Spring Jul 2020 to Aug 2021 · 1 yr
Timeline
2024 1 added
- added DataTables May 2024 · JavaScript libraries
2023 2 added · 1 dropped
- dropped C Apr 2023 · Programming languages
- added Crazy Egg Apr 2023 · Analytics
- added C Feb 2023 · Programming languages
2022 8 added · 1 dropped
- added Backbone.js Dec 2022 · JavaScript frameworks
- added core-js Dec 2022 · JavaScript libraries
- added Lodash Dec 2022 · JavaScript libraries
- added Underscore.js Dec 2022 · JavaScript libraries
- added Webpack Dec 2022 · Miscellaneous
- added HSTS Sep 2022 · Security
- added Bootstrap May 2022 · UI frameworks
- added Nginx Mar 2022 · Web servers
- dropped Nginx Feb 2022 · Web servers
2021 1 added · 2 dropped · 1 switched
- dropped Wheelio Dec 2021 · Widgets
- dropped Spring Oct 2021 · Web frameworks
- switched Apache Tomcat Nginx Sep 2021 · Web servers
- added Wheelio Sep 2021 · Widgets
2020 1 added
- added Spring Jul 2020 · Web frameworks
2019 2 added
- added Apache Tomcat Mar 2019 · Web Servers
- added Font Awesome Mar 2019 · Font Scripts
2018 8 added
- added mod_dav Jul 2018 · Web Server Extensions
- added Apache HTTP Server Jun 2018 · Web Servers
- added Google Analytics Jun 2018 · Analytics
- added Java Jun 2018 · Programming Languages
- added Java Servlet Jun 2018 · Web Frameworks
- added JavaServer Pages Jun 2018 · Web Frameworks
- added Red Hat Jun 2018 · Operating Systems
- added Webtrends Jun 2018 · Analytics