Technology history for tesol.org
Stack size over time
From 3 detected technologies in Apr 2018 to 95 in Jun 2026 (peak 96).
Currently detected
- Microsoft ASP.NET since Apr 2018
- jQuery since Apr 2018
- Moment.js since Apr 2018
- Matomo Analytics since Jun 2018
- Windows Server since Jun 2018
- Google Analytics since Jun 2018
- IIS since Jun 2018
- Bootstrap since Aug 2018
- jQuery Migrate since Aug 2018
- Nginx since Aug 2018
- Twitter Emoji (Twemoji) since Aug 2018
- PHP since Aug 2018
- Webpack since Aug 2018
- WordPress Super Cache since Aug 2018
- Google Tag Manager since Aug 2018
- jQuery UI since Aug 2018
- Gravatar since Aug 2018
- Font Awesome since Aug 2018
- MySQL since Aug 2018
- Google Font API since Aug 2018
- React since Aug 2018
- New Relic since Aug 2018
- WordPress since Aug 2018
- All in One SEO Pack since Aug 2018
- Select2 since Aug 2018
- Kevel since Jul 2019
- Lodash since Aug 2019
- Google AdSense since Sep 2019
- AdRoll since Nov 2019
- Amazon CloudFront since Nov 2020
- Amazon Web Services since Nov 2020
- reCAPTCHA since Jan 2021
- Typekit since Feb 2021
- SWFObject since Mar 2021
- Apache HTTP Server since Mar 2021
- Cookiebot since Mar 2021
- HubSpot Analytics since Mar 2021
- prettyPhoto since Mar 2021
- Modernizr since May 2021
- Snowplow Analytics since May 2021
- Adobe Experience Platform Launch since Jun 2021
- Facebook Pixel since Jun 2021
- Google Publisher Tag since Jun 2021
- DreamWeaver since Jun 2021
- styled-components since Jun 2021
- AdRoll CMP System since Jul 2021
- Emotion since Jul 2021
- Amazon ALB since Aug 2021
- core-js since Aug 2021
- Angular since Feb 2022
- Microsoft Advertising since Feb 2022
- OptinMonster since Feb 2022
- Cloudflare Bot Management since Feb 2022
- Cloudflare since Feb 2022
- LazySizes since Feb 2022
- Jetpack since Feb 2022
- MonsterInsights since Feb 2022
- HubSpot since Feb 2022
- Linkedin Insight Tag since Feb 2022
- TypeScript since Feb 2022
- Zone.js since Feb 2022
- Microsoft 365 since Aug 2022
- Open Graph since Sep 2022
- HSTS since Sep 2022
- Bunny since Nov 2022
- RSS since Dec 2022
- Microsoft Clarity since Feb 2023
- Popper since Mar 2023
- AddThis since Mar 2023
- lit-html since Aug 2023
- Osano since Aug 2023
- FancyBox since Aug 2023
- Hammer.js since Aug 2023
- HTTP/3 since Aug 2023
- Ace since Aug 2023
- ZURB Foundation since Aug 2023
- Sentry since Aug 2023
- Cloudflare Browser Insights since Dec 2023
- Adobe Analytics since May 2024
- Azure since Jun 2024
- toastr since Jun 2024
- DataTables since Jun 2024
- Bunny Fonts since Jun 2024
- Datadog since Sep 2024
- Vue.js since Apr 2025
- Day.js since Sep 2025
- BlueConic since Jan 2026
- React Router since Feb 2026
- Adobe Audience Manager since Feb 2026
- PWA since Feb 2026
- theTradeDesk since Feb 2026
- Microsoft Application Insights since Apr 2026
- Azure Monitor since Apr 2026
- PostHog since Apr 2026
- Linkedin Ads since Jun 2026
Previously used
- Eloqua May 2024 to Mar 2026 · 1 yr
- Unbounce Apr 2021 to Feb 2026 · 4 yrs
- Ruby Aug 2023 to Mar 2025 · 1 yr
- Ruby on Rails Aug 2023 to Mar 2025 · 1 yr
- ClickCease Jun 2023 to Feb 2025 · 1 yr
- Netlify Mar 2021 to Feb 2025 · 3 yrs
- GetSocial Mar 2021 to Nov 2024 · 3 yrs
- LaunchDarkly Nov 2024 to Nov 2024 · 1 mo
- Backbone.js Aug 2023 to Sep 2024 · 1 yr
- Underscore.js Aug 2023 to Sep 2024 · 1 yr
- Google Maps Aug 2023 to Jul 2024 · 11 mo
- Leaflet Aug 2023 to Jul 2024 · 11 mo
- lit-element Jun 2024 to Jul 2024 · 1 mo
- Livefyre Aug 2023 to Jul 2024 · 11 mo
- HubSpot Chat Feb 2022 to May 2024 · 2 yrs
- BugHerd Mar 2023 to Dec 2023 · 9 mo
- BugSnag Jun 2023 to Oct 2023 · 4 mo
- Hotjar Feb 2022 to Oct 2023 · 1 yr
- Adobe DTM Jan 2019 to May 2023 · 4 yrs
- Amazon S3 Nov 2022 to May 2023 · 6 mo
- cdnjs Oct 2021 to May 2023 · 1 yr
- Chart.js Aug 2018 to May 2023 · 4 yrs
- Google Hosted Libraries Feb 2022 to May 2023 · 1 yr
- Microsoft Ajax Content Delivery Network Feb 2022 to May 2023 · 1 yr
- Moat Mar 2023 to May 2023 · 2 mo
- Prism Sep 2021 to May 2023 · 1 yr
- VideoJS Apr 2020 to May 2023 · 3 yrs
- YouTube Aug 2018 to May 2023 · 4 yrs
- Donorbox Apr 2023 to Apr 2023 · 1 mo
- ShareThis Jun 2018 to Mar 2023 · 4 yrs
- C Feb 2023 to Feb 2023 · 1 mo
- Progress Sitefinity Jul 2018 to Feb 2023 · 4 yrs
- Twitter Jun 2018 to Feb 2023 · 4 yrs
- Twitter Ads Jul 2021 to Feb 2023 · 1 yr
- Java Nov 2021 to Dec 2022 · 1 yr
- Google Ads Conversion Tracking Jul 2021 to Oct 2022 · 1 yr
- Google Remarketing Tag Jul 2021 to May 2022 · 10 mo
- Facebook Oct 2019 to Apr 2022 · 2 yrs
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Knockout.js Aug 2018 to Oct 2021 · 3 yrs
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Quantcast Choice Jul 2021 to Aug 2021 · 1 mo
- Google Plus Mar 2021 to May 2021 · 2 mo
- Google Sign-in Mar 2021 to May 2021 · 2 mo
- AngularJS Mar 2021 to Apr 2021 · 1 mo
- Choices Feb 2021 to Apr 2021 · 2 mo
- Handlebars Aug 2018 to Jan 2021 · 2 yrs
- Criteo Jul 2020 to Oct 2020 · 3 mo
- DoubleClick for Publishers (DFP) Sep 2019 to Oct 2020 · 1 yr
- Matomo Aug 2018 to Jul 2020 · 1 yr
- AppNexus Oct 2019 to Mar 2020 · 5 mo
- TinyMCE Aug 2018 to Apr 2019 · 8 mo
- sitefinity Jun 2018 to Jun 2018 · 1 mo
Timeline
2026 10 added · 2 dropped
- dropped Eloqua Jun 2026 · Marketing automation
- added Azure Monitor Apr 2026 · Performance
- added Microsoft Application Insights Apr 2026 · RUM
- added PostHog Apr 2026 · Analytics
- dropped Unbounce Apr 2026 · Editors
- added Adobe Audience Manager Feb 2026 · Segmentation
- added Google Publisher Tag Feb 2026 · Advertising
- added PWA Feb 2026 · Miscellaneous
- added React Router Feb 2026 · JavaScript frameworks
- added theTradeDesk Feb 2026 · Advertising
- added BlueConic Jan 2026 · Customer data platform
- added Unbounce Jan 2026 · Editors
2025 4 added · 8 dropped
- dropped ClickCease Nov 2025 · Security
- dropped Netlify Nov 2025 · CDN
- added Day.js Sep 2025 · JavaScript libraries
- added Google AdSense May 2025 · Advertising
- dropped Ruby May 2025 · Programming languages
- dropped Ruby on Rails May 2025 · Web frameworks
- dropped Unbounce May 2025 · Editors
- added Vue.js Apr 2025 · JavaScript frameworks
- dropped Google AdSense Mar 2025 · Advertising
- added Unbounce Mar 2025 · Editors
- dropped GetSocial Feb 2025 · Analytics
- dropped LaunchDarkly Jan 2025 · Feature management
2024 8 added · 12 dropped
- dropped Backbone.js Nov 2024 · JavaScript frameworks
- added LaunchDarkly Nov 2024 · Feature management
- dropped Unbounce Nov 2024 · Editors
- dropped Underscore.js Nov 2024 · JavaScript libraries
- dropped Google Maps Oct 2024 · Maps
- dropped Leaflet Oct 2024 · Maps
- dropped lit-element Oct 2024 · JavaScript libraries
- dropped Livefyre Oct 2024 · Comment systems
- dropped HubSpot Chat Sep 2024 · Live chat
- added Unbounce Sep 2024 · Editors
- dropped Unbounce Aug 2024 · Editors
- added Bunny Fonts Jun 2024 · Font scripts
- added lit-element Jun 2024 · JavaScript libraries
- added Adobe Analytics May 2024 · Analytics
- dropped Cloudflare Browser Insights May 2024 · Analytics
- added Eloqua May 2024 · Marketing automation
- added Unbounce Mar 2024 · Editors
- dropped BugHerd Feb 2024 · Issue trackers
- added Google AdSense Feb 2024 · Advertising
- dropped Google AdSense Jan 2024 · Advertising
2023 13 added · 21 dropped · 3 switched
- dropped BugSnag Dec 2023 · Issue trackers
- switched Hotjar Cloudflare Browser Insights Dec 2023 · Analytics
- dropped Google Publisher Tag Dec 2023 · Advertising
- dropped Unbounce Dec 2023 · Editors
- added Google AdSense Nov 2023 · Advertising
- added lit-html Nov 2023 · JavaScript libraries
- added Osano Nov 2023 · Cookie compliance
- dropped lit-html Oct 2023 · JavaScript libraries
- dropped Osano Oct 2023 · Cookie compliance
- dropped Adobe DTM Aug 2023 · Tag managers
- dropped Amazon S3 Aug 2023 · CDN
- dropped cdnjs Aug 2023 · CDN
- dropped Chart.js Aug 2023 · JavaScript graphics
- dropped Google Hosted Libraries Aug 2023 · CDN
- added lit-html Aug 2023 · JavaScript libraries
- dropped Microsoft Ajax Content Delivery Network Aug 2023 · CDN
- added Osano Aug 2023 · Cookie compliance
- dropped Prism Aug 2023 · Miscellaneous
- dropped VideoJS Aug 2023 · Video players
- dropped YouTube Aug 2023 · Video players
- dropped Moat Jul 2023 · Analytics
- added BugSnag Jun 2023 · Issue trackers
- added ClickCease Jun 2023 · Security
- dropped Donorbox Jun 2023 · Fundraising & donations
- switched Twitter Ads Google Publisher Tag Jun 2023 · Advertising
- dropped Google Publisher Tag May 2023 · Advertising
- dropped ShareThis May 2023 · Widgets
- dropped C Apr 2023 · Programming languages
- added Donorbox Apr 2023 · Fundraising & donations
- dropped Progress Sitefinity Apr 2023 · CMS
- dropped Twitter Apr 2023 · Widgets
- added AddThis Mar 2023 · Widgets
- added BugHerd Mar 2023 · Issue trackers
- added Moat Mar 2023 · Analytics
- added Popper Mar 2023 · Miscellaneous
- switched Java C Feb 2023 · Programming languages
- added Microsoft Clarity Feb 2023 · Analytics
2022 91 added · 6 dropped · 1 switched
- dropped Google Ads Conversion Tracking Dec 2022 · Analytics
- added RSS Dec 2022 · Miscellaneous
- added Bunny Nov 2022 · CDN
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added Adobe DTM Aug 2022 · Tag managers
- added Adobe Experience Platform Launch Aug 2022 · Tag managers
- added AdRoll Aug 2022 · Advertising
- added AdRoll CMP System Aug 2022 · Cookie compliance
- added All in One SEO Pack Aug 2022 · WordPress plugins
- added Amazon ALB Aug 2022 · Load balancers
- added Amazon CloudFront Aug 2022 · CDN
- added Amazon Web Services Aug 2022 · PaaS
- added Angular Aug 2022 · JavaScript frameworks
- added Apache HTTP Server Aug 2022 · Web servers
- switched Tailwind CSS Bootstrap Aug 2022 · UI frameworks
- added cdnjs Aug 2022 · CDN
- added Chart.js Aug 2022 · JavaScript graphics
- added Cloudflare Aug 2022 · CDN
- added Cloudflare Bot Management Aug 2022 · Security
- added Cookiebot Aug 2022 · Cookie compliance
- added core-js Aug 2022 · JavaScript libraries
- added DreamWeaver Aug 2022 · Editors
- added Emotion Aug 2022 · JavaScript frameworks
- added Facebook Pixel Aug 2022 · Analytics
- added Font Awesome Aug 2022 · Font scripts
- added GetSocial Aug 2022 · Analytics
- added Google Ads Conversion Tracking 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 Publisher Tag Aug 2022 · Advertising
- added Google Tag Manager Aug 2022 · Tag managers
- added Gravatar Aug 2022 · Miscellaneous
- added Hotjar Aug 2022 · Analytics
- added HubSpot Aug 2022 · Marketing automation
- added HubSpot Analytics Aug 2022 · Analytics
- added HubSpot Chat Aug 2022 · Live chat
- added IIS Aug 2022 · Web servers
- added Java Aug 2022 · Programming languages
- added Jetpack Aug 2022 · WordPress plugins
- added jQuery Aug 2022 · JavaScript libraries
- added jQuery Migrate Aug 2022 · JavaScript libraries
- added jQuery UI Aug 2022 · JavaScript libraries
- added Kevel Aug 2022 · Advertising
- added LazySizes Aug 2022 · JavaScript libraries
- added Linkedin Insight Tag Aug 2022 · Analytics
- added Lodash Aug 2022 · JavaScript libraries
- added Matomo Analytics Aug 2022 · Analytics
- added Microsoft 365 Aug 2022 · Webmail
- added Microsoft Advertising Aug 2022 · Advertising
- added Microsoft Ajax Content Delivery Network Aug 2022 · CDN
- added Microsoft ASP.NET Aug 2022 · Web frameworks
- added Modernizr Aug 2022 · JavaScript libraries
- added Moment.js Aug 2022 · JavaScript libraries
- added MonsterInsights Aug 2022 · WordPress plugins
- added MySQL Aug 2022 · Databases
- added Netlify Aug 2022 · CDN
- added New Relic Aug 2022 · RUM
- added Nginx Aug 2022 · Web servers
- added OptinMonster Aug 2022 · Marketing automation
- added PHP Aug 2022 · Programming languages
- added prettyPhoto Aug 2022 · JavaScript libraries
- added Prism Aug 2022 · Miscellaneous
- added Progress Sitefinity Aug 2022 · CMS
- added React Aug 2022 · JavaScript frameworks
- added reCAPTCHA Aug 2022 · Security
- added Select2 Aug 2022 · JavaScript libraries
- added ShareThis Aug 2022 · Widgets
- added Snowplow Analytics Aug 2022 · Analytics
- added styled-components Aug 2022 · JavaScript frameworks
- added SWFObject Aug 2022 · Miscellaneous
- added Twitter Aug 2022 · Widgets
- added Twitter Ads Aug 2022 · Advertising
- added Twitter Emoji (Twemoji) Aug 2022 · Font scripts
- added Typekit Aug 2022 · Font scripts
- added TypeScript Aug 2022 · Programming languages
- added Unbounce Aug 2022 · Editors
- added VideoJS Aug 2022 · Video players
- added Webpack Aug 2022 · Miscellaneous
- added Windows Server Aug 2022 · Operating systems
- added WordPress Aug 2022 · CMS
- added WordPress Super Cache Aug 2022 · Caching
- added YouTube Aug 2022 · Video players
- added Zone.js Aug 2022 · JavaScript frameworks
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- dropped Facebook Jun 2022 · Widgets
- added Tailwind CSS Apr 2022 · UI frameworks
- dropped Google Plus Mar 2022 · Widgets
- dropped Google Sign-in Mar 2022 · Social logins
- dropped AngularJS Feb 2022 · JavaScript frameworks
- added Google Hosted Libraries Feb 2022 · CDN
- added Jetpack Feb 2022 · WordPress plugins
- added LazySizes Feb 2022 · JavaScript libraries
- added Microsoft Ajax Content Delivery Network Feb 2022 · CDN
- added MonsterInsights Feb 2022 · Analytics
- added OptinMonster Feb 2022 · Marketing automation
- added ShareThis Feb 2022 · Widgets
2021 39 added · 20 dropped · 1 switched
- dropped Google AdSense Dec 2021 · Advertising
- dropped Knockout.js Dec 2021 · JavaScript frameworks
- dropped Wheelio Dec 2021 · Widgets
- added All in One SEO Pack Nov 2021 · SEO
- added Java Nov 2021 · Programming languages
- added WordPress Super Cache Nov 2021 · Caching
- dropped All in One SEO Pack Oct 2021 · SEO
- added cdnjs Oct 2021 · CDN
- dropped WordPress Super Cache Oct 2021 · Caching
- added Prism Sep 2021 · Miscellaneous
- added Wheelio Sep 2021 · Widgets
- added Amazon ALB Aug 2021 · Load balancers
- added core-js Aug 2021 · JavaScript libraries
- switched Quantcast Choice AdRoll CMP System Jul 2021 · Cookie compliance
- added Emotion Jul 2021 · JavaScript frameworks
- added Google Ads Conversion Tracking Jul 2021 · Analytics
- added Google AdSense Jul 2021 · Advertising
- added Google Remarketing Tag Jul 2021 · Retargeting
- added Kevel Jul 2021 · Advertising
- added Progress Sitefinity Jul 2021 · CMS
- added Quantcast Choice Jul 2021 · Cookie compliance
- added Twitter Ads Jul 2021 · Advertising
- added Adobe DTM Jun 2021 · Tag managers
- added Adobe Experience Platform Launch Jun 2021 · Tag managers
- added Chart.js Jun 2021 · JavaScript graphics
- dropped Choices Jun 2021 · Miscellaneous
- added DreamWeaver Jun 2021 · Editors
- added Facebook Pixel Jun 2021 · Analytics
- added Google Publisher Tag Jun 2021 · Advertising
- added Gravatar Jun 2021 · Miscellaneous
- added Knockout.js Jun 2021 · JavaScript frameworks
- added Matomo Analytics Jun 2021 · Analytics
- added New Relic Jun 2021 · Analytics
- added React Jun 2021 · JavaScript libraries
- added Select2 Jun 2021 · JavaScript libraries
- added styled-components Jun 2021 · Development
- added Twitter Emoji (Twemoji) Jun 2021 · Font scripts
- added VideoJS Jun 2021 · Video players
- added Webpack Jun 2021 · Miscellaneous
- added Modernizr May 2021 · JavaScript libraries
- added Snowplow Analytics May 2021 · Analytics
- added Windows Server May 2021 · Operating systems
- added Unbounce Apr 2021 · Editors
- dropped Adobe DTM Mar 2021 · Tag managers
- dropped Chart.js Mar 2021 · JavaScript graphics
- dropped Gravatar Mar 2021 · Miscellaneous
- dropped Handlebars Mar 2021 · JavaScript frameworks
- dropped Kevel Mar 2021 · Advertising
- dropped Knockout.js Mar 2021 · JavaScript frameworks
- dropped Matomo Analytics Mar 2021 · Analytics
- dropped Progress Sitefinity Mar 2021 · CMS
- dropped React Mar 2021 · JavaScript frameworks
- dropped Select2 Mar 2021 · JavaScript libraries
- dropped Twitter Emoji (Twemoji) Mar 2021 · Miscellaneous
- dropped VideoJS Mar 2021 · Video players
- dropped Windows Server Mar 2021 · Operating systems
- added Choices Feb 2021 · Miscellaneous
- dropped New Relic Feb 2021 · Analytics
- added Typekit Feb 2021 · Font scripts
- added reCAPTCHA Jan 2021 · Security
2020 6 added · 7 dropped
- dropped Criteo Dec 2020 · Advertising
- dropped DoubleClick for Publishers (DFP) Dec 2020 · Advertising
- added Amazon CloudFront Nov 2020 · CDN
- added Amazon Web Services Nov 2020 · PaaS
- added New Relic Oct 2020 · Analytics
- dropped Matomo Sep 2020 · Analytics
- dropped New Relic Sep 2020 · Analytics
- added Matomo Analytics Aug 2020 · Analytics
- added Criteo Jul 2020 · Advertising
- added Font Awesome Jul 2020 · Font scripts
- dropped Font Awesome Jun 2020 · Font Scripts
- dropped AppNexus May 2020 · Advertising Networks
- dropped Google AdSense May 2020 · Advertising Networks
2019 34 added · 3 dropped
- added AdRoll Nov 2019 · Advertising Networks
- dropped Lodash Nov 2019 · JavaScript Libraries
- dropped Webpack Nov 2019 · Miscellaneous
- added AppNexus Oct 2019 · Advertising Networks
- added Facebook Oct 2019 · Widgets
- added DoubleClick for Publishers (DFP) Sep 2019 · Advertising Networks
- added Google AdSense Sep 2019 · Advertising Networks
- added Lodash Aug 2019 · JavaScript Libraries
- added Kevel Jul 2019 · Advertising Networks
- dropped TinyMCE Jun 2019 · Rich Text Editors
- added Adobe DTM Mar 2019 · Tag Managers
- added All in One SEO Pack Mar 2019 · SEO
- added Bootstrap Mar 2019 · Web Frameworks
- added Chart.js Mar 2019 · JavaScript Graphics
- added Font Awesome Mar 2019 · Font Scripts
- added Google Font API Mar 2019 · Font Scripts
- added Google Tag Manager Mar 2019 · Tag Managers
- added Gravatar Mar 2019 · Miscellaneous
- added Handlebars Mar 2019 · JavaScript Frameworks
- added jQuery Migrate Mar 2019 · JavaScript Libraries
- added jQuery UI Mar 2019 · JavaScript Libraries
- added Knockout.js Mar 2019 · JavaScript Frameworks
- added Moment.js Mar 2019 · JavaScript Libraries
- added MySQL Mar 2019 · Databases
- added New Relic Mar 2019 · Analytics
- added Nginx Mar 2019 · Web Servers
- added PHP Mar 2019 · Programming Languages
- added React Mar 2019 · JavaScript Frameworks
- added Select2 Mar 2019 · JavaScript Libraries
- added TinyMCE Mar 2019 · Rich Text Editors
- added Twitter Mar 2019 · Widgets
- added Twitter Emoji (Twemoji) Mar 2019 · Miscellaneous
- added Webpack Mar 2019 · Miscellaneous
- added WordPress Mar 2019 · CMS
- added WordPress Super Cache Mar 2019 · Cache Tools
- added YouTube Mar 2019 · Video Players
- added Adobe DTM Jan 2019 · Tag Managers
2018 8 added · 2 dropped · 1 switched
- dropped Matomo Analytics Sep 2018 · Analytics
- dropped ShareThis Sep 2018 · Widgets
- added Matomo Aug 2018 · Analytics
- switched sitefinity Progress Sitefinity Jul 2018 · CMS
- added Google Analytics Jun 2018 · Analytics
- added IIS Jun 2018 · Web Servers
- added Matomo Analytics Jun 2018 · Analytics
- added ShareThis Jun 2018 · Widgets
- added sitefinity Jun 2018 · CMS
- added Twitter Jun 2018 · Widgets
- added Windows Server Jun 2018 · Operating Systems