Technology history for uso.org
Stack size over time
From 5 detected technologies in Apr 2018 to 106 in Jun 2026.
Currently detected
- Google Font API since Apr 2018
- Optimizely since Apr 2018
- Google Tag Manager since Apr 2018
- Stripe since Apr 2018
- Lodash since Jun 2018
- Leaflet since Jun 2018
- Modernizr since Jun 2018
- Ruby since Jun 2018
- Moment.js since Jun 2018
- Ruby on Rails since Jun 2018
- RackCache since Jun 2018
- Google Analytics since Jun 2018
- Backbone.js since Jun 2018
- Google Analytics Enhanced eCommerce since Jun 2018
- Hotjar since Jun 2018
- Facebook since Jun 2018
- Crazy Egg since Jun 2018
- jQuery since Jun 2018
- Underscore.js since Jun 2018
- jQuery UI since Aug 2018
- Nginx since Aug 2018
- New Relic since Aug 2018
- Cloudflare since Aug 2018
- Drupal since Aug 2018
- PHP since Aug 2018
- Polyfill since Aug 2018
- Bootstrap since Aug 2018
- AngularJS since Aug 2018
- Varnish since Aug 2018
- BugSnag since Sep 2018
- jQuery Migrate since Jan 2019
- MariaDB since May 2019
- Pantheon since May 2019
- Heroku since Aug 2020
- Amazon Web Services since Aug 2020
- Cart Functionality since Aug 2020
- Microsoft Advertising since Feb 2021
- Fastly since Feb 2021
- Twitter Ads since Apr 2021
- Pinterest Conversion Tag since Jun 2021
- Google Optimize since Jun 2021
- Cloudflare Browser Insights since Jun 2021
- Livefyre since Jun 2021
- Facebook Pixel since Jun 2021
- Google Remarketing Tag since Jul 2021
- Outbrain since Jul 2021
- Azure since Sep 2021
- Amazon ELB since Sep 2021
- core-js since Sep 2021
- theTradeDesk since Nov 2021
- Cloudflare Bot Management since Nov 2021
- cdnjs since Nov 2021
- Microsoft Clarity since Dec 2021
- Google Hosted Libraries since Feb 2022
- OptinMonster since Feb 2022
- LazySizes since Feb 2022
- React since Mar 2022
- styled-components since Mar 2022
- Popper since Apr 2022
- Hoefler&Co since May 2022
- Reddit Ads since May 2022
- PWA since Aug 2022
- Uploadcare since Aug 2022
- DocuSign since Aug 2022
- Sentry since Aug 2022
- Microsoft 365 since Aug 2022
- Nextdoor Ads since Sep 2022
- HSTS since Sep 2022
- Open Graph since Sep 2022
- HTTP/3 since Sep 2022
- Cloudflare Rocket Loader since Oct 2022
- Zone.js since Nov 2022
- Angular since Nov 2022
- TypeScript since Nov 2022
- FullCalendar since Dec 2022
- DonorPerfect since Feb 2023
- YouTube since May 2023
- Mapbox.js since Jun 2023
- UserWay since Jul 2023
- authorize.net since Oct 2023
- Matomo Analytics since Feb 2024
- Azure Front Door since Feb 2024
- Linkedin Insight Tag since Feb 2024
- Amazon ALB since Nov 2024
- Amazon Advertising since Nov 2024
- Amazon Webstore since Nov 2024
- Apple iCloud Mail since Dec 2024
- Fundraise Up since Mar 2025
- PayPal since Apr 2025
- hCaptcha since Apr 2025
- Vue.js since Apr 2025
- Mailgun since Jun 2025
- Moove GDPR Consent since Jun 2025
- RSS since Jun 2025
- Swiper since Jun 2025
- WordPress since Jun 2025
- WP Engine since Jun 2025
- Divi since Jun 2025
- MySQL since Jun 2025
- WordPress Multisite since Jun 2025
- Yoast SEO since Jun 2025
- Amazon SES since Jun 2025
- Font Awesome since Jun 2025
- reCAPTCHA since Jun 2025
- Priority Hints since Oct 2025
- Quantcast Measure since Oct 2025
Previously used
- 6sense Feb 2024 to Dec 2024 · 10 mo
- AdRoll Jun 2018 to Dec 2024 · 6 yrs
- AdRoll CMP System Feb 2024 to Dec 2024 · 10 mo
- Albacross Feb 2024 to Dec 2024 · 10 mo
- HubSpot Feb 2024 to Dec 2024 · 10 mo
- HubSpot Analytics Feb 2024 to Dec 2024 · 10 mo
- HubSpot Chat Feb 2024 to Dec 2024 · 10 mo
- Quora Pixel Feb 2024 to Dec 2024 · 10 mo
- Segment Feb 2024 to Dec 2024 · 10 mo
- Amazon S3 May 2024 to Oct 2024 · 5 mo
- Hammer.js Nov 2022 to Sep 2024 · 1 yr
- Clearbit Reveal Nov 2022 to Jul 2024 · 1 yr
- LiveIntent May 2024 to Jul 2024 · 2 mo
- Qualified Jun 2023 to Jul 2024 · 1 yr
- Zoominfo Mar 2024 to Jul 2024 · 4 mo
- Leadfeeder Jun 2024 to Jun 2024 · 1 mo
- MobX May 2024 to Jun 2024 · 1 mo
- jsDelivr Dec 2020 to May 2024 · 3 yrs
- Apache HTTP Server Aug 2018 to Jan 2024 · 5 yrs
- Webpack Nov 2022 to Jan 2024 · 1 yr
- Alpine.js Apr 2023 to Dec 2023 · 8 mo
- Emotion Jun 2023 to Jul 2023 · 1 mo
- C Feb 2023 to Feb 2023 · 1 mo
- Java Oct 2021 to Nov 2022 · 1 yr
- Google Cloud Jul 2022 to Sep 2022 · 2 mo
- Google Cloud Trace Jul 2022 to Sep 2022 · 2 mo
- jQuery CDN Feb 2022 to May 2022 · 3 mo
- Twitter Analytics Apr 2021 to Apr 2022 · 1 yr
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Duda Jul 2021 to Jul 2021 · 1 mo
- MyWebsite Jul 2021 to Jul 2021 · 1 mo
- Cowboy Apr 2018 to Mar 2020 · 1 yr
- Erlang Jun 2018 to Mar 2020 · 1 yr
Timeline
2025 6 added · 13 dropped
- added Linkedin Insight Tag Dec 2025 · Analytics
- added Vue.js Dec 2025 · JavaScript frameworks
- added Priority Hints Oct 2025 · Performance
- added Quantcast Measure Oct 2025 · Analytics
- dropped Vue.js Jul 2025 · JavaScript frameworks
- dropped Alpine.js May 2025 · JavaScript frameworks
- dropped jsDelivr May 2025 · CDN
- added Fundraise Up Mar 2025 · Fundraising & donations
- added Uploadcare Mar 2025 · CDN
- dropped 6sense Feb 2025 · Marketing automation
- dropped AdRoll Feb 2025 · Advertising
- dropped AdRoll CMP System Feb 2025 · Cookie compliance
- dropped Albacross Feb 2025 · Analytics
- dropped HubSpot Feb 2025 · Marketing automation
- dropped HubSpot Analytics Feb 2025 · Analytics
- dropped HubSpot Chat Feb 2025 · Live chat
- dropped Linkedin Insight Tag Feb 2025 · Analytics
- dropped Quora Pixel Feb 2025 · Analytics
- dropped Segment Feb 2025 · Customer data platform
2024 11 added · 11 dropped
- dropped Amazon S3 Dec 2024 · CDN
- added Apple iCloud Mail Dec 2024 · Webmail
- added Amazon Advertising Nov 2024 · Advertising
- added Amazon ALB Nov 2024 · Load balancers
- added Amazon Webstore Nov 2024 · Ecommerce
- dropped Hammer.js Nov 2024 · JavaScript libraries
- dropped Matomo Analytics Oct 2024 · Analytics
- dropped Clearbit Reveal Sep 2024 · Analytics
- dropped LiveIntent Sep 2024 · Advertising
- dropped Qualified Sep 2024 · Live chat
- dropped Zoominfo Sep 2024 · Analytics
- dropped Leadfeeder Aug 2024 · Analytics
- dropped MobX Aug 2024 · JavaScript libraries
- added Leadfeeder Jun 2024 · Analytics
- added Amazon S3 May 2024 · CDN
- added LiveIntent May 2024 · Email
- added MobX May 2024 · JavaScript libraries
- dropped Apache HTTP Server Mar 2024 · Web servers
- dropped Webpack Mar 2024 · Miscellaneous
- added Zoominfo Mar 2024 · Analytics
- added Azure Feb 2024 · PaaS
- added Azure Front Door Feb 2024 · Load balancers
2023 10 added · 8 dropped · 1 switched
- added React Nov 2023 · JavaScript frameworks
- added styled-components Nov 2023 · JavaScript frameworks
- added authorize.net Oct 2023 · Payment processors
- dropped Azure Oct 2023 · PaaS
- dropped Emotion Sep 2023 · JavaScript frameworks
- dropped Sentry Sep 2023 · Issue trackers
- added UserWay Jul 2023 · Accessibility
- added Emotion Jun 2023 · JavaScript frameworks
- added Mapbox.js Jun 2023 · Maps
- added Qualified Jun 2023 · Live chat
- added Sentry Jun 2023 · Issue trackers
- dropped React May 2023 · JavaScript frameworks
- dropped styled-components May 2023 · JavaScript frameworks
- added Alpine.js Apr 2023 · JavaScript frameworks
- dropped C Apr 2023 · Programming languages
- switched Java C Feb 2023 · Programming languages
- added DonorPerfect Feb 2023 · Fundraising & donations
- dropped Sentry Feb 2023 · Issue trackers
- dropped Uploadcare Feb 2023 · CDN
2022 20 added · 4 dropped · 3 switched
- switched Wheelio FullCalendar Dec 2022 · Widgets
- dropped Google Cloud Dec 2022 · IaaS
- added React Dec 2022 · JavaScript frameworks
- added styled-components Dec 2022 · JavaScript frameworks
- dropped React Nov 2022 · JavaScript frameworks
- dropped styled-components Nov 2022 · JavaScript frameworks
- switched Google Cloud Trace Cloudflare Rocket Loader Oct 2022 · Performance
- added HSTS Sep 2022 · Security
- added HTTP/3 Sep 2022 · Miscellaneous
- added Nextdoor Ads Sep 2022 · Advertising
- added Open Graph Sep 2022 · Miscellaneous
- added DocuSign Aug 2022 · Miscellaneous
- added Microsoft 365 Aug 2022 · Webmail
- added PWA Aug 2022 · Miscellaneous
- added Sentry Aug 2022 · Issue trackers
- switched jQuery CDN Uploadcare Aug 2022 · CDN
- dropped Twitter Analytics Jun 2022 · Analytics
- added Hoefler&Co May 2022 · Font scripts
- added Reddit Ads May 2022 · Advertising
- added Popper Apr 2022 · Miscellaneous
- added Google Font API Mar 2022 · Font scripts
- added React Mar 2022 · JavaScript frameworks
- added styled-components Mar 2022 · JavaScript frameworks
- added Google Hosted Libraries Feb 2022 · CDN
- added jQuery CDN Feb 2022 · CDN
- added LazySizes Feb 2022 · JavaScript libraries
- added OptinMonster Feb 2022 · Marketing automation
2021 20 added · 2 switched
- added Microsoft Clarity Dec 2021 · Analytics
- added cdnjs Nov 2021 · CDN
- added Cloudflare Bot Management Nov 2021 · Security
- added theTradeDesk Nov 2021 · Advertising
- added Amazon ELB Sep 2021 · Load balancers
- added Azure Sep 2021 · PaaS
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- switched MyWebsite Duda Jul 2021 · CMS
- added Google Remarketing Tag Jul 2021 · Retargeting
- switched Duda MyWebsite Jul 2021 · CMS
- added Outbrain Jul 2021 · Widgets
- added Cloudflare Browser Insights Jun 2021 · Analytics
- added Facebook Pixel Jun 2021 · Analytics
- added Google Optimize Jun 2021 · A/B Testing
- added Livefyre Jun 2021 · Comment systems
- added Lodash Jun 2021 · JavaScript libraries
- added Pinterest Conversion Tag Jun 2021 · Analytics
- added Twitter Ads Apr 2021 · Advertising
- added Twitter Analytics Apr 2021 · Analytics
- added Fastly Feb 2021 · CDN
- added Microsoft Advertising Feb 2021 · Analytics
2020 4 added · 4 dropped
- added jsDelivr Dec 2020 · CDN
- dropped Google Font API Sep 2020 · Font scripts
- dropped jQuery UI Sep 2020 · JavaScript libraries
- added Amazon Web Services Aug 2020 · PaaS
- added Cart Functionality Aug 2020 · Ecommerce
- added Heroku Aug 2020 · PaaS
- dropped Cowboy May 2020 · Web Servers
- dropped Erlang May 2020 · Programming Languages
2019 5 added · 2 dropped
- added Google Font API Sep 2019 · Font Scripts
- dropped Google Font API Jun 2019 · Font Scripts
- added Google Analytics Enhanced eCommerce May 2019 · Analytics
- added MariaDB May 2019 · Databases
- added Pantheon May 2019 · PaaS
- dropped Moment.js Apr 2019 · JavaScript Libraries
- added jQuery Migrate Jan 2019 · JavaScript Libraries
2018 19 added · 3 dropped
- dropped AdRoll Nov 2018 · Advertising Networks
- dropped Google Analytics Enhanced eCommerce Nov 2018 · Analytics
- added BugSnag Sep 2018 · Analytics
- dropped Lodash Aug 2018 · JavaScript Frameworks
- added Polyfill Aug 2018 · JavaScript Libraries
- added AdRoll Jun 2018 · Advertising Networks
- added Backbone.js Jun 2018 · JavaScript Frameworks
- added Crazy Egg Jun 2018 · Analytics
- added Erlang Jun 2018 · Programming Languages
- added Facebook Jun 2018 · Widgets
- added Google Analytics Jun 2018 · Analytics
- added Google Analytics Enhanced eCommerce Jun 2018 · Analytics
- added Hotjar Jun 2018 · Analytics
- added jQuery Jun 2018 · JavaScript Frameworks
- added Leaflet Jun 2018 · Maps
- added Lodash Jun 2018 · JavaScript Frameworks
- added Modernizr Jun 2018 · JavaScript Frameworks
- added Moment.js Jun 2018 · JavaScript Frameworks
- added RackCache Jun 2018 · Cache Tools
- added Ruby Jun 2018 · Programming Languages
- added Ruby on Rails Jun 2018 · Web Frameworks
- added Underscore.js Jun 2018 · JavaScript Frameworks