Technology history for a21.org
Stack size over time
From 4 detected technologies in Apr 2018 to 53 in Jun 2026.
Currently detected
- Bootstrap since Apr 2018
- Font Awesome since Apr 2018
- TrackJs since Apr 2018
- jQuery since Apr 2018
- Facebook since Jun 2018
- Google Analytics since Jun 2018
- New Relic since Jun 2018
- PHP since Jun 2018
- Gauges since Jun 2018
- Google Tag Manager since Jul 2019
- Apache HTTP Server since Apr 2020
- jsDelivr since Jul 2020
- Cart Functionality since Aug 2020
- reCAPTCHA since Dec 2020
- Stripe since Dec 2020
- Slick since Dec 2020
- Select2 since Dec 2020
- Osano since Jan 2021
- Typekit since Feb 2021
- Facebook Pixel since Jul 2021
- AccessiBe since Jul 2021
- core-js since Sep 2021
- Vimeo since Feb 2022
- Cloudflare Bot Management since May 2022
- Cloudflare since May 2022
- Adobe Audience Manager since Jul 2022
- Salesforce Audience Studio since Jul 2022
- Crazy Egg since Aug 2022
- PWA since Aug 2022
- Google Workspace since Aug 2022
- Open Graph since Sep 2022
- Apple iCloud Mail since Jan 2023
- AngularJS since Mar 2023
- ActiveCampaign since Mar 2023
- Amazon Web Services since Mar 2023
- HSTS since Mar 2023
- YouTube since Mar 2023
- Adobe Analytics since Mar 2023
- Adobe DTM since Mar 2023
- Adobe Experience Platform Identity Service since Mar 2023
- Adobe Target since Mar 2023
- Amazon CloudFront since Mar 2023
- Amazon S3 since Mar 2023
- FullStory since Mar 2023
- VideoJS since Mar 2023
- Babel since Mar 2023
- Google Font API since Mar 2023
- PDF.js since Mar 2023
- toastr since Mar 2023
- Sentry since Aug 2023
- VWO since Dec 2023
- Priority Hints since Dec 2023
- Sendgrid since Apr 2026
Previously used
- Java Nov 2021 to Dec 2022 · 1 yr
- Microsoft ASP.NET Jul 2022 to Aug 2022 · 1 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- AddThis Aug 2019 to Oct 2020 · 1 yr
Timeline
2026 1 added
- added Sendgrid Apr 2026 · Email
2023 3 added · 1 dropped
- added Priority Hints Dec 2023 · Performance
- added VWO Dec 2023 · Analytics
- dropped Java Feb 2023 · Programming languages
- added Apple iCloud Mail Jan 2023 · Webmail
2022 11 added · 1 dropped
- dropped Microsoft ASP.NET Dec 2022 · Web frameworks
- added Open Graph Sep 2022 · Miscellaneous
- added Crazy Egg Aug 2022 · Analytics
- added Google Workspace Aug 2022 · Webmail
- added PWA Aug 2022 · Miscellaneous
- added Adobe Audience Manager Jul 2022 · Segmentation
- added Microsoft ASP.NET Jul 2022 · Web frameworks
- added Salesforce Audience Studio Jul 2022 · Segmentation
- added Cloudflare May 2022 · CDN
- added Cloudflare Bot Management May 2022 · Security
- added Cart Functionality Feb 2022 · Ecommerce
- added Vimeo Feb 2022 · Video players
2021 7 added · 2 dropped
- dropped Wheelio Dec 2021 · Widgets
- added Java Nov 2021 · Programming languages
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- added AccessiBe Jul 2021 · Accessibility
- added Facebook Pixel Jul 2021 · Analytics
- dropped Cart Functionality Feb 2021 · Ecommerce
- added Typekit Feb 2021 · Font scripts
- added Osano Jan 2021 · Cookie compliance
2020 8 added · 2 dropped
- dropped AddThis Dec 2020 · Widgets
- added reCAPTCHA Dec 2020 · Security
- added Select2 Dec 2020 · JavaScript libraries
- added Slick Dec 2020 · JavaScript libraries
- added Stripe Dec 2020 · Payment processors
- added Google Analytics Nov 2020 · Analytics
- dropped Google Analytics Sep 2020 · Analytics
- added Cart Functionality Aug 2020 · Ecommerce
- added jsDelivr Jul 2020 · CDN
- added Apache HTTP Server Apr 2020 · Web Servers
2019 11 added
- added AddThis Aug 2019 · Widgets
- added Google Tag Manager Jul 2019 · Tag Managers
- added Bootstrap Mar 2019 · Web Frameworks
- added Facebook Mar 2019 · Widgets
- added Font Awesome Mar 2019 · Font Scripts
- added Gauges Mar 2019 · Analytics
- added Google Analytics Mar 2019 · Analytics
- added jQuery Mar 2019 · JavaScript Libraries
- added New Relic Mar 2019 · Analytics
- added PHP Mar 2019 · Programming Languages
- added TrackJs Mar 2019 · Analytics
2018 5 added
- added Facebook Jun 2018 · Widgets
- added Gauges Jun 2018 · Analytics
- added Google Analytics Jun 2018 · Analytics
- added New Relic Jun 2018 · Analytics
- added PHP Jun 2018 · Programming Languages