Technology history for edx.org
Stack size over time
From 7 detected technologies in Apr 2018 to 157 in Jun 2026 (peak 159).
Currently detected
- Backbone.js since Apr 2018
- Cloudflare since Apr 2018
- React since Apr 2018
- Segment since Apr 2018
- Varnish since Apr 2018
- Optimizely since Apr 2018
- Drupal since Apr 2018
- Acquia Cloud since Jun 2018
- jQuery since Jun 2018
- Google Font API since Jun 2018
- Google Tag Manager since Jun 2018
- PHP since Jun 2018
- Underscore.js since Jun 2018
- Facebook since Jun 2018
- Google Analytics since Jun 2018
- Lodash since Jun 2018
- New Relic since Jun 2018
- Webpack since Jul 2018
- jQuery UI since Aug 2018
- jQuery Migrate since Aug 2018
- Chartbeat since Aug 2018
- Ruby since Aug 2018
- Python since Aug 2018
- Google Code Prettify since Aug 2018
- Typekit since Aug 2018
- RequireJS since Aug 2018
- Ruby on Rails since Aug 2018
- Ubuntu since Aug 2018
- Twitter Emoji (Twemoji) since Aug 2018
- Vue.js since Aug 2018
- WordPress since Aug 2018
- Yoast SEO since Aug 2018
- Nginx since Aug 2018
- Modernizr since Aug 2018
- Django since Aug 2018
- MathJax since Aug 2018
- Moment.js since Aug 2018
- MySQL since Aug 2018
- reCAPTCHA since Oct 2018
- HubSpot since Jan 2019
- Matomo since Jan 2019
- Google Maps since Feb 2019
- Hotjar since Feb 2019
- ZURB Foundation since Feb 2019
- WP Rocket since Feb 2019
- GitHub Pages since Feb 2019
- Fastly since Feb 2019
- Font Awesome since Feb 2019
- parcel since Feb 2019
- Amazon Web Services since May 2019
- Apache HTTP Server since May 2019
- Amazon EC2 since May 2019
- WP Engine since May 2019
- Percona since May 2019
- Babel since Mar 2020
- SiteGround since Mar 2020
- Unbounce since Apr 2020
- Zendesk since Apr 2020
- Contentful since Jun 2020
- Gatsby since Jun 2020
- Matomo Analytics since Aug 2020
- Twitter since Dec 2020
- Sentry since Jan 2021
- AWIN since Feb 2021
- Bootstrap since Feb 2021
- Branch since Feb 2021
- HubSpot Analytics since Feb 2021
- Choices since Feb 2021
- Linkedin Insight Tag since Feb 2021
- Microsoft Advertising since Feb 2021
- Braze since Apr 2021
- Twitter Ads since May 2021
- HubSpot CMS Hub since Jun 2021
- jsDelivr since Jun 2021
- Popper since Jun 2021
- Linkedin Sign-in since Jun 2021
- Facebook Pixel since Jun 2021
- Facebook Login since Jun 2021
- Apple Sign-in since Jul 2021
- Drift since Jul 2021
- Emotion since Jul 2021
- Google Ads Conversion Tracking since Jul 2021
- Java since Aug 2021
- Amazon ELB since Aug 2021
- core-js since Aug 2021
- Amazon ALB since Sep 2021
- HubSpot Chat since Sep 2021
- cdnjs since Oct 2021
- Cloudflare Bot Management since Oct 2021
- Reddit Ads since Nov 2021
- Envoy since Nov 2021
- Mouse Flow since Nov 2021
- Microsoft Clarity since Dec 2021
- CallRail since Feb 2022
- Cloudflare Network Error Logging since Feb 2022
- jQuery CDN since Feb 2022
- Google Hosted Libraries since Feb 2022
- Pardot since Feb 2022
- GTranslate since Mar 2022
- Tailwind CSS since Apr 2022
- VideoJS since Apr 2022
- PubSubJS since May 2022
- SpeedCurve since May 2022
- Adobe Audience Manager since Jul 2022
- TikTok Pixel since Jul 2022
- Loadable-Components since Aug 2022
- Google Workspace since Aug 2022
- Unpkg since Aug 2022
- web-vitals since Aug 2022
- DocuSign since Aug 2022
- HSTS since Sep 2022
- Open Graph since Sep 2022
- OneTrust since Oct 2022
- Dropbox since Nov 2022
- Impact since Dec 2022
- 6sense since Dec 2022
- Priority Hints since Dec 2022
- HTTP/3 since Dec 2022
- wpBakery since Dec 2022
- RSS since Dec 2022
- SweetAlert since Dec 2022
- Apple iCloud Mail since Jan 2023
- Redis Object Cache since Jan 2023
- Redis since Jan 2023
- Amazon S3 since Feb 2023
- Twenty Twelve since Feb 2023
- Amplitude since Apr 2023
- Preact since Apr 2023
- Hotjar Incoming Feedback since Apr 2023
- FullStory since Jun 2023
- Cloudflare Browser Insights since Aug 2023
- Tiny Slider since Aug 2023
- Plyr since Sep 2023
- Advanced Custom Fields since Oct 2023
- WordPress VIP since Oct 2023
- Yoast SEO Premium since Oct 2023
- Salesforce Marketing Cloud Account Engagement since Mar 2024
- Datadog since Jun 2024
- Beamer since Jul 2024
- Aura since Oct 2024
- Salesforce Desk since Oct 2024
- Amazon CloudFront since Nov 2024
- React Router since Nov 2024
- Salesforce since Nov 2024
- Next.js since Nov 2024
- Node.js since Nov 2024
- Next.js App Router since Nov 2024
- Radix UI since Dec 2024
- shadcn/ui since Dec 2024
- PWA since Jan 2025
- Open-Xchange App Suite since May 2025
- Atlassian Statuspage since Jul 2025
- Twitter typeahead.js since Jul 2025
- WordPress Multisite since Sep 2025
- Swiper since Sep 2025
- Elementor since Sep 2025
- Qualified since Mar 2026
Previously used
- Google Sign-in Jul 2021 to Mar 2026 · 4 yrs
- styled-components Mar 2026 to Mar 2026 · 1 mo
- BetterDocs Jan 2026 to Feb 2026 · 1 mo
- BetterDocs plugin Jan 2026 to Feb 2026 · 1 mo
- WordPress Block Editor Jul 2024 to Aug 2025 · 1 yr
- WPForms Oct 2023 to Aug 2025 · 1 yr
- Osano Jan 2023 to Jun 2025 · 2 yrs
- Knockout.js Nov 2024 to Mar 2025 · 4 mo
- Crazy Egg Dec 2022 to Feb 2024 · 1 yr
- LivePerson Dec 2022 to Nov 2023 · 11 mo
- Demandbase Apr 2022 to Oct 2023 · 1 yr
- Sailthru May 2021 to Oct 2023 · 2 yrs
- C Feb 2023 to Feb 2023 · 1 mo
- Google Optimize Dec 2022 to Jan 2023 · 1 mo
- Qualaroo Feb 2022 to Jan 2023 · 11 mo
- Google Remarketing Tag Jul 2021 to May 2022 · 10 mo
- Flickity Dec 2020 to Apr 2022 · 1 yr
- Twitter Analytics May 2021 to Apr 2022 · 11 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- HubSpot Cookie Jul 2021 to Aug 2021 · 1 mo
- OWL Carousel Feb 2019 to Jun 2021 · 2 yrs
- Linkedin Dec 2020 to May 2021 · 5 mo
- TinyMCE Oct 2020 to Jan 2021 · 3 mo
- MediaElement.js Aug 2018 to Nov 2020 · 2 yrs
- Slider Revolution Aug 2018 to Nov 2020 · 2 yrs
- YouTube Aug 2018 to Nov 2020 · 2 yrs
- Mixpanel Dec 2019 to Jan 2020 · 1 mo
- webpack-2 Jun 2018 to Jun 2018 · 1 mo
Timeline
2026 5 added · 4 dropped · 1 switched
- added Sentry Jun 2026 · Issue trackers
- dropped Google Sign-in May 2026 · Authentication
- dropped styled-components May 2026 · JavaScript frameworks
- dropped BetterDocs Apr 2026 · Documentation
- dropped BetterDocs plugin Apr 2026 · WordPress plugins
- added Google Sign-in Mar 2026 · Authentication
- added Qualified Mar 2026 · Marketing automation
- added styled-components Mar 2026 · JavaScript frameworks
- added BetterDocs Jan 2026 · Documentation
- switched WPForms BetterDocs plugin Jan 2026 · WordPress plugins
2025 5 added · 2 dropped · 1 switched
- added Twitter Emoji (Twemoji) Dec 2025 · Font scripts
- switched WordPress Block Editor Elementor Sep 2025 · Page builders
- added Swiper Sep 2025 · JavaScript libraries
- added WordPress Multisite Sep 2025 · Hosting
- dropped Osano Aug 2025 · Cookie compliance
- dropped Knockout.js May 2025 · JavaScript frameworks
- added Open-Xchange App Suite May 2025 · Webmail
- added PWA Jan 2025 · Miscellaneous
2024 9 added · 3 dropped · 1 switched
- added Radix UI Dec 2024 · UI frameworks
- added shadcn/ui Dec 2024 · UI frameworks
- added Tailwind CSS Dec 2024 · UI frameworks
- added WP Engine Dec 2024 · Hosting
- added Knockout.js Nov 2024 · JavaScript frameworks
- added React Router Nov 2024 · JavaScript frameworks
- added Salesforce Nov 2024 · CRM
- dropped Mixpanel Aug 2024 · Analytics
- added WordPress Block Editor Jul 2024 · Page builders
- added Datadog Jun 2024 · RUM
- dropped Crazy Egg Apr 2024 · Analytics
- switched Sailthru Salesforce Marketing Cloud Account Engagement Mar 2024 · Marketing automation
- dropped LivePerson Jan 2024 · Live chat
2023 15 added · 5 dropped
- dropped Demandbase Dec 2023 · Analytics
- added Advanced Custom Fields Oct 2023 · WordPress plugins
- added WordPress VIP Oct 2023 · PaaS
- added WPForms Oct 2023 · WordPress plugins
- added Yoast SEO Premium Oct 2023 · SEO
- added Plyr Sep 2023 · Video players
- added Cloudflare Browser Insights Aug 2023 · RUM
- added FullStory Jun 2023 · Analytics
- added Osano Jun 2023 · Cookie compliance
- added Envoy May 2023 · Reverse proxies
- added Amplitude Apr 2023 · Analytics
- dropped C Apr 2023 · Programming languages
- dropped Qualaroo Apr 2023 · Surveys
- dropped Google Optimize Mar 2023 · A/B Testing
- dropped Osano Mar 2023 · Cookie compliance
- added C Feb 2023 · Programming languages
- added Apple iCloud Mail Jan 2023 · Webmail
- added Osano Jan 2023 · Cookie compliance
- added Redis Jan 2023 · Databases
- added Redis Object Cache Jan 2023 · Caching
2022 26 added · 7 dropped
- added 6sense Dec 2022 · Marketing automation
- added HTTP/3 Dec 2022 · Miscellaneous
- added Impact Dec 2022 · Affiliate programs
- added RSS Dec 2022 · Miscellaneous
- added Dropbox Nov 2022 · Digital asset management
- dropped Unpkg Nov 2022 · CDN
- dropped web-vitals Nov 2022 · JavaScript libraries
- dropped Envoy Sep 2022 · Reverse proxies
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added DocuSign Aug 2022 · Miscellaneous
- added Google Workspace Aug 2022 · Webmail
- added Loadable-Components Aug 2022 · JavaScript libraries
- dropped Tailwind CSS Aug 2022 · UI frameworks
- added Unpkg Aug 2022 · CDN
- added web-vitals Aug 2022 · JavaScript libraries
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- added TikTok Pixel Jul 2022 · Analytics
- added Amazon ALB Jun 2022 · Load balancers
- dropped Flickity Jun 2022 · JavaScript libraries
- dropped Twitter Analytics Jun 2022 · Analytics
- added PubSubJS May 2022 · JavaScript libraries
- added SpeedCurve May 2022 · RUM
- added Demandbase Apr 2022 · Analytics
- added Tailwind CSS Apr 2022 · UI frameworks
- added VideoJS Apr 2022 · Video players
- added GTranslate Mar 2022 · WordPress plugins
- added CallRail Feb 2022 · Analytics
- added Cloudflare Network Error Logging Feb 2022 · Issue trackers
- added Google Hosted Libraries Feb 2022 · CDN
- added jQuery CDN Feb 2022 · CDN
- added Pardot Feb 2022 · Marketing automation
- added Qualaroo Feb 2022 · Surveys
2021 42 added · 20 dropped
- dropped Amazon ALB Dec 2021 · Load balancers
- added Contentful Dec 2021 · CMS
- dropped Google Sign-in Dec 2021 · Social logins
- added Microsoft Clarity Dec 2021 · Analytics
- dropped Wheelio Dec 2021 · Widgets
- added Envoy Nov 2021 · Reverse proxies
- added Reddit Ads Nov 2021 · Advertising
- added WP Rocket Nov 2021 · Caching
- added cdnjs Oct 2021 · CDN
- added Cloudflare Bot Management Oct 2021 · Security
- dropped HubSpot Cookie Oct 2021 · Cookie compliance
- dropped WP Rocket Oct 2021 · Caching
- added Amazon ALB Sep 2021 · Load balancers
- added HubSpot Chat Sep 2021 · Live chat
- added Wheelio Sep 2021 · Widgets
- added Amazon ELB Aug 2021 · Load balancers
- added core-js Aug 2021 · JavaScript libraries
- added Java Aug 2021 · Programming languages
- dropped OWL Carousel Aug 2021 · Widgets
- added Apple Sign-in Jul 2021 · Social logins
- added Drift Jul 2021 · Live chat
- added Emotion Jul 2021 · JavaScript frameworks
- added Google Ads Conversion Tracking Jul 2021 · Analytics
- added Google Remarketing Tag Jul 2021 · Retargeting
- added Google Sign-in Jul 2021 · Social logins
- added HubSpot Cookie Jul 2021 · Cookie compliance
- dropped Linkedin Jul 2021 · Widgets
- added Moment.js Jul 2021 · JavaScript libraries
- added parcel Jul 2021 · Miscellaneous
- added ZURB Foundation Jul 2021 · UI frameworks
- dropped Contentful Jun 2021 · CMS
- added Facebook Login Jun 2021 · Social logins
- added Facebook Pixel Jun 2021 · Analytics
- added HubSpot CMS Hub Jun 2021 · CMS
- added jsDelivr Jun 2021 · CDN
- added Linkedin Sign-in Jun 2021 · Social logins
- added Popper Jun 2021 · Miscellaneous
- added Sailthru May 2021 · Email
- added Twitter Ads May 2021 · Advertising
- added Twitter Analytics May 2021 · Analytics
- added Braze Apr 2021 · Marketing automation
- added Zendesk Apr 2021 · CMS
- dropped Moment.js Mar 2021 · JavaScript libraries
- dropped parcel Mar 2021 · Miscellaneous
- dropped Sentry Mar 2021 · Issue trackers
- dropped TinyMCE Mar 2021 · Rich text editors
- dropped ZURB Foundation Mar 2021 · UI frameworks
- added AWIN Feb 2021 · Affiliate programs
- added Bootstrap Feb 2021 · UI frameworks
- added Branch Feb 2021 · Marketing automation
- added Choices Feb 2021 · Miscellaneous
- added HubSpot Analytics Feb 2021 · Analytics
- added Linkedin Insight Tag Feb 2021 · Analytics
- added Microsoft Advertising Feb 2021 · Analytics
- dropped MediaElement.js Jan 2021 · Video players
- added Sentry Jan 2021 · Issue trackers
- dropped Slider Revolution Jan 2021 · Miscellaneous
- dropped Twitter Emoji (Twemoji) Jan 2021 · Miscellaneous
- dropped Typekit Jan 2021 · Font scripts
- dropped WP Engine Jan 2021 · PaaS
- dropped Yoast SEO Jan 2021 · SEO
- dropped YouTube Jan 2021 · Video players
2020 11 added · 1 dropped
- added Linkedin Dec 2020 · Widgets
- added Twitter Dec 2020 · Widgets
- added TinyMCE Oct 2020 · Rich text editors
- added Font Awesome Aug 2020 · Font scripts
- added Matomo Analytics Aug 2020 · Analytics
- dropped Zendesk Aug 2020 · CMS
- added Contentful Jun 2020 · CMS
- added Gatsby Jun 2020 · JavaScript frameworks
- added Babel Mar 2020 · Miscellaneous
- added Lodash Mar 2020 · JavaScript Libraries
- added SiteGround Mar 2020 · PaaS
- added WP Engine Mar 2020 · PaaS
2019 43 added · 2 dropped
- added Mixpanel Dec 2019 · Analytics
- dropped WP Engine Oct 2019 · PaaS
- dropped Font Awesome Sep 2019 · Font Scripts
- added Amazon EC2 May 2019 · Web Servers
- added Amazon Web Services May 2019 · PaaS
- added Apache HTTP Server May 2019 · Web Servers
- added Percona May 2019 · Databases
- added WP Engine May 2019 · PaaS
- added Acquia Cloud Mar 2019 · Web Servers
- added Facebook Mar 2019 · Widgets
- added Fastly Mar 2019 · CDN
- added Font Awesome Mar 2019 · Font Scripts
- added GitHub Pages Mar 2019 · CDN
- added Google Font API Mar 2019 · Font Scripts
- added Google Maps Mar 2019 · Maps
- added Google Tag Manager Mar 2019 · Tag Managers
- added Hotjar Mar 2019 · Analytics
- added HubSpot Mar 2019 · Marketing Automation
- added Matomo Mar 2019 · Analytics
- added MediaElement.js Mar 2019 · Video Players
- added Modernizr Mar 2019 · JavaScript Libraries
- added Moment.js Mar 2019 · JavaScript Libraries
- added MySQL Mar 2019 · Databases
- added Optimizely Mar 2019 · Analytics
- added OWL Carousel Mar 2019 · Widgets
- added parcel Mar 2019 · Miscellaneous
- added React Mar 2019 · JavaScript Frameworks
- added Ruby Mar 2019 · Programming Languages
- added Ruby on Rails Mar 2019 · Web Frameworks
- added Slider Revolution Mar 2019 · Miscellaneous
- added Twitter Emoji (Twemoji) Mar 2019 · Miscellaneous
- added Typekit Mar 2019 · Font Scripts
- added Varnish Mar 2019 · Cache Tools
- added Vue.js Mar 2019 · JavaScript Frameworks
- added WordPress Mar 2019 · Blogs
- added WP Rocket Mar 2019 · Cache Tools
- added Yoast SEO Mar 2019 · SEO
- added YouTube Mar 2019 · Video Players
- added ZURB Foundation Mar 2019 · Web Frameworks
- added Google Maps Feb 2019 · Maps
- added parcel Feb 2019 · Miscellaneous
- added WP Rocket Feb 2019 · Cache Tools
- added ZURB Foundation Feb 2019 · Web Frameworks
- added HubSpot Jan 2019 · Marketing Automation
- added Matomo Jan 2019 · Analytics
2018 12 added · 1 dropped · 1 switched
- added reCAPTCHA Oct 2018 · Captchas
- dropped Lodash Aug 2018 · JavaScript Frameworks
- switched webpack-2 Webpack Jul 2018 · Miscellaneous
- added Acquia Cloud Jun 2018 · Web Servers
- added Facebook Jun 2018 · Widgets
- added Google Analytics Jun 2018 · Analytics
- added Google Font API Jun 2018 · Font Scripts
- added Google Tag Manager Jun 2018 · Tag Managers
- added jQuery Jun 2018 · JavaScript Frameworks
- added Lodash Jun 2018 · JavaScript Frameworks
- added New Relic Jun 2018 · Analytics
- added PHP Jun 2018 · Programming Languages
- added Underscore.js Jun 2018 · JavaScript Frameworks
- added webpack-2 Jun 2018 · Miscellaneous