Technology history for arc.gov
Stack size over time
From 3 detected technologies in Aug 2018 to 44 in Jun 2026 (peak 45).
Currently detected
- Google Analytics since Aug 2018
- IIS since Jan 2019
- Windows Server since Jan 2019
- Cloudflare since Sep 2020
- Google Tag Manager since Oct 2020
- PHP since Oct 2020
- Modernizr since Oct 2020
- MySQL since Oct 2020
- Google Font API since Oct 2020
- jQuery since Oct 2020
- Twitter Emoji (Twemoji) since Oct 2020
- WordPress since Oct 2020
- AOS since Feb 2021
- MailChimp since Feb 2021
- Yoast SEO since Jun 2021
- core-js since Sep 2021
- New Relic since Dec 2021
- Google Hosted Libraries since Feb 2022
- Google Tag Manager for WordPress since Feb 2022
- MailChimp for WordPress since Feb 2022
- Microsoft 365 since Aug 2022
- Open Graph since Sep 2022
- reCAPTCHA since Nov 2022
- Select2 since Nov 2022
- Slick since Nov 2022
- Underscore.js since Nov 2022
- jQuery Migrate since Nov 2022
- VideoJS since Nov 2022
- Choices since Nov 2022
- CodeMirror since Nov 2022
- Dropzone since Nov 2022
- Extendify since Nov 2022
- Formidable Form since Nov 2022
- Microsoft ASP.NET since Nov 2022
- Site Kit since Nov 2022
- RSS since Dec 2022
- Apple iCloud Mail since Jan 2023
- HSTS since Dec 2023
- Varnish since Dec 2023
- Fastly since Dec 2023
- MariaDB since Dec 2023
- Nginx since Dec 2023
- Pantheon since Dec 2023
- Priority Hints since Jan 2024
Previously used
- AddThis Aug 2022 to Oct 2024 · 2 yrs
- Webpack Oct 2020 to Jun 2023 · 2 yrs
- Moat Aug 2022 to May 2023 · 9 mo
- Java Dec 2021 to Nov 2022 · 11 mo
- Unpkg Jul 2021 to Oct 2022 · 1 yr
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- TrackJs Oct 2020 to Jun 2021 · 8 mo
- Dojo Aug 2018 to Sep 2020 · 2 yrs
- Twitter Aug 2018 to Sep 2020 · 2 yrs
Timeline
2024 2 added · 1 dropped
- dropped AddThis Dec 2024 · Widgets
- added New Relic Jul 2024 · RUM
- added Priority Hints Jan 2024 · Performance
2023 7 added · 4 dropped
- added Fastly Dec 2023 · CDN
- added HSTS Dec 2023 · Security
- added MariaDB Dec 2023 · Databases
- added Nginx Dec 2023 · Web servers
- added Pantheon Dec 2023 · PaaS
- added Varnish Dec 2023 · Caching
- dropped Webpack Aug 2023 · Miscellaneous
- dropped Moat Jul 2023 · Analytics
- dropped New Relic Jul 2023 · RUM
- added Apple iCloud Mail Jan 2023 · Webmail
- dropped Java Jan 2023 · Programming languages
2022 8 added · 1 dropped
- added RSS Dec 2022 · Miscellaneous
- dropped Unpkg Dec 2022 · CDN
- added Open Graph Sep 2022 · Miscellaneous
- added AddThis Aug 2022 · Widgets
- added Microsoft 365 Aug 2022 · Email
- added Moat Aug 2022 · Analytics
- added Google Hosted Libraries Feb 2022 · CDN
- added Google Tag Manager for WordPress Feb 2022 · WordPress plugins
- added MailChimp for WordPress Feb 2022 · WordPress plugins
2021 11 added · 5 dropped
- added Java Dec 2021 · Programming languages
- added New Relic Dec 2021 · Analytics
- dropped Wheelio Dec 2021 · Widgets
- added Yoast SEO Nov 2021 · SEO
- dropped Yoast SEO Oct 2021 · SEO
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- dropped TrackJs Aug 2021 · Analytics
- added Unpkg Jul 2021 · CDN
- added Twitter Emoji (Twemoji) Jun 2021 · Font scripts
- added Webpack Jun 2021 · Miscellaneous
- added Yoast SEO Jun 2021 · SEO
- dropped Twitter Emoji (Twemoji) Mar 2021 · Miscellaneous
- dropped Webpack Mar 2021 · Miscellaneous
- added AOS Feb 2021 · JavaScript libraries
- added MailChimp Feb 2021 · Marketing automation
2020 11 added · 4 dropped
- dropped Dojo Nov 2020 · JavaScript libraries
- dropped Twitter Nov 2020 · Widgets
- added Google Font API Oct 2020 · Font scripts
- added Google Tag Manager Oct 2020 · Tag managers
- dropped IIS Oct 2020 · Web servers
- added jQuery Oct 2020 · JavaScript libraries
- added Modernizr Oct 2020 · JavaScript libraries
- added MySQL Oct 2020 · Databases
- added PHP Oct 2020 · Programming languages
- added TrackJs Oct 2020 · Analytics
- added Twitter Emoji (Twemoji) Oct 2020 · Miscellaneous
- added Webpack Oct 2020 · Miscellaneous
- dropped Windows Server Oct 2020 · Operating systems
- added WordPress Oct 2020 · Blogs
- added Cloudflare Sep 2020 · CDN
2019 7 added
- added Dojo Mar 2019 · JavaScript Libraries
- added Google Analytics Mar 2019 · Analytics
- added IIS Mar 2019 · Web Servers
- added Twitter Mar 2019 · Widgets
- added Windows Server Mar 2019 · Operating Systems
- added IIS Jan 2019 · Web Servers
- added Windows Server Jan 2019 · Operating Systems