Technology history for saylor.org
Stack size over time
From 10 detected technologies in Apr 2018 to 58 in Jun 2026 (peak 71).
Currently detected
- Cloudflare since Apr 2018
- Google Font API since Apr 2018
- Bootstrap since Apr 2018
- jQuery Migrate since Apr 2018
- jQuery since Apr 2018
- Lodash since Jun 2018
- PHP since Jun 2018
- Google Analytics since Jun 2018
- jQuery UI since Jun 2018
- Modernizr since Aug 2018
- Apache HTTP Server since Aug 2018
- FlexSlider since Aug 2018
- Google Tag Manager since Jan 2019
- reCAPTCHA since Feb 2019
- Moodle since May 2019
- RequireJS since May 2019
- Google Code Prettify since May 2019
- YUI since May 2019
- Netlify since Jul 2019
- HubSpot since Jul 2019
- Zendesk since Mar 2020
- Babel since May 2020
- Matomo Analytics since Aug 2020
- HubSpot Analytics since Feb 2021
- GetSocial since Feb 2021
- TypeScript since Jun 2021
- Zone.js since Jun 2021
- Angular since Jun 2021
- core-js since Sep 2021
- React since Nov 2021
- Cloudflare Bot Management since Nov 2021
- Envoy since Nov 2021
- Microsoft Advertising since Jan 2022
- Tailwind CSS since Apr 2022
- VideoJS since Apr 2022
- Sendgrid since Aug 2022
- PWA since Aug 2022
- Google Workspace since Aug 2022
- Open Graph since Sep 2022
- Swiper since Sep 2022
- HSTS since Sep 2022
- Bunny since Nov 2022
- Apple iCloud Mail since Jan 2023
- Microsoft Clarity since Feb 2023
- Amazon Web Services since Apr 2023
- ClickCease since Jun 2023
- Amazon ALB since Jun 2023
- Amazon CloudFront since Jan 2024
- Google Hosted Libraries since Mar 2024
- Eloqua since May 2024
- MathJax since Nov 2024
- jsDelivr since Nov 2024
- cdnjs since Dec 2024
- HTTP/3 since May 2026
- React Router since May 2026
- Radix UI since May 2026
- shadcn/ui since May 2026
- Amazon S3 since May 2026
Previously used
- Cloudflare Browser Insights Mar 2022 to Apr 2026 · 4 yrs
- Cloudflare Rocket Loader Feb 2024 to Apr 2026 · 2 yrs
- Contact Form 7 Feb 2022 to Apr 2026 · 4 yrs
- MySQL Jun 2018 to Apr 2026 · 7 yrs
- Popper Apr 2022 to Apr 2026 · 4 yrs
- RSS Dec 2022 to Apr 2026 · 3 yrs
- Site Kit Mar 2023 to Apr 2026 · 3 yrs
- SiteOrigin Page Builder Apr 2022 to Apr 2026 · 4 yrs
- Twitter Emoji (Twemoji) Jun 2018 to Apr 2026 · 7 yrs
- Underscore.js Apr 2018 to Apr 2026 · 8 yrs
- Understrap Feb 2022 to Apr 2026 · 4 yrs
- WordPress Apr 2018 to Apr 2026 · 8 yrs
- Yoast SEO Dec 2018 to Apr 2026 · 7 yrs
- TinyMCE Nov 2025 to Nov 2025 · 1 mo
- Jetpack Feb 2022 to Aug 2025 · 3 yrs
- Font Awesome Apr 2018 to Jun 2025 · 7 yrs
- Chart.js Jul 2019 to Apr 2025 · 5 yrs
- Priority Hints Feb 2024 to Apr 2025 · 1 yr
- DataTables Sep 2024 to Jan 2025 · 4 mo
- Linkedin Insight Tag Oct 2021 to Sep 2024 · 2 yrs
- HubSpot Chat Oct 2021 to Jun 2024 · 2 yrs
- Google Optimize Jul 2021 to Mar 2024 · 2 yrs
- Hotjar Jan 2022 to Oct 2023 · 1 yr
- jQuery CDN Jan 2023 to May 2023 · 4 mo
- Moment.js Jan 2019 to Apr 2023 · 4 yrs
- Ruby Jan 2019 to Apr 2023 · 4 yrs
- Ruby on Rails Jan 2019 to Apr 2023 · 4 yrs
- Discourse Jan 2019 to Feb 2023 · 4 yrs
- Ember.js Jan 2019 to Feb 2023 · 4 yrs
- Google PageSpeed Jan 2019 to Feb 2023 · 4 yrs
- Handlebars Jan 2019 to Feb 2023 · 4 yrs
- Cloudflare Network Error Logging Feb 2022 to Oct 2022 · 8 mo
- Swiper Slider May 2022 to Aug 2022 · 3 mo
- Webpack Jun 2021 to Aug 2022 · 1 yr
- Phusion Passenger Jan 2019 to Apr 2022 · 3 yrs
- Highlight.js Jul 2021 to Mar 2022 · 8 mo
- Google Plus Apr 2020 to Oct 2021 · 1 yr
- Google Sign-in Feb 2021 to Oct 2021 · 8 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Polyfill May 2020 to Aug 2021 · 1 yr
- AngularJS Jul 2019 to Mar 2021 · 1 yr
- SweetAlert Jul 2019 to Jan 2021 · 1 yr
- Ubuntu Jun 2018 to Jan 2021 · 2 yrs
- Gravatar Dec 2018 to Jul 2020 · 1 yr
- Matomo Jul 2019 to Jul 2020 · 1 yr
- AddThis Apr 2018 to Jun 2020 · 2 yrs
- Facebook Jun 2018 to Jun 2019 · 1 yr
- Select2 Jan 2019 to Jan 2019 · 1 mo
- Google Maps Jun 2018 to Nov 2018 · 5 mo
- Lightbox Apr 2018 to Nov 2018 · 7 mo
- prettyPhoto Jun 2018 to Nov 2018 · 5 mo
- Tawk.to Jun 2018 to Nov 2018 · 5 mo
Timeline
2026 8 added · 14 dropped
- dropped Cloudflare Browser Insights Jun 2026 · Analytics
- dropped Cloudflare Rocket Loader Jun 2026 · Performance
- dropped Contact Form 7 Jun 2026 · WordPress plugins
- dropped MySQL Jun 2026 · Databases
- dropped Popper Jun 2026 · Miscellaneous
- dropped RSS Jun 2026 · Miscellaneous
- dropped Site Kit Jun 2026 · WordPress plugins
- dropped SiteOrigin Page Builder Jun 2026 · WordPress plugins
- dropped Twitter Emoji (Twemoji) Jun 2026 · Font scripts
- dropped Underscore.js Jun 2026 · JavaScript libraries
- dropped Understrap Jun 2026 · WordPress themes
- dropped WordPress Jun 2026 · CMS
- dropped Yoast SEO Jun 2026 · WordPress plugins
- added Amazon CloudFront May 2026 · CDN
- added Amazon S3 May 2026 · CDN
- added HTTP/3 May 2026 · Miscellaneous
- added Radix UI May 2026 · UI frameworks
- added React Router May 2026 · JavaScript frameworks
- added shadcn/ui May 2026 · UI frameworks
- added Tailwind CSS May 2026 · UI frameworks
- added cdnjs Apr 2026 · CDN
- dropped TinyMCE Jan 2026 · Rich text editors
2025 3 added · 6 dropped · 1 switched
- added Twitter Emoji (Twemoji) Dec 2025 · Font scripts
- added TinyMCE Nov 2025 · Rich text editors
- dropped Font Awesome Aug 2025 · Font scripts
- switched Jetpack Yoast SEO Jul 2025 · WordPress plugins
- dropped Chart.js Jun 2025 · JavaScript graphics
- dropped Priority Hints Jun 2025 · Performance
- dropped cdnjs May 2025 · CDN
- added Envoy May 2025 · Reverse proxies
- dropped DataTables Mar 2025 · JavaScript libraries
- dropped Yoast SEO Mar 2025 · WordPress plugins
2024 12 added · 4 dropped
- added cdnjs Dec 2024 · CDN
- added Chart.js Nov 2024 · JavaScript graphics
- added jsDelivr Nov 2024 · CDN
- dropped Linkedin Insight Tag Nov 2024 · Analytics
- added MathJax Nov 2024 · JavaScript graphics
- added DataTables Sep 2024 · JavaScript libraries
- added Font Awesome Sep 2024 · Font scripts
- dropped HubSpot Chat Aug 2024 · Live chat
- added Site Kit Aug 2024 · WordPress plugins
- added Eloqua May 2024 · Marketing automation
- dropped Google Optimize May 2024 · A/B Testing
- dropped Amazon CloudFront Mar 2024 · CDN
- added Google Hosted Libraries Mar 2024 · CDN
- added Cloudflare Rocket Loader Feb 2024 · Performance
- added Priority Hints Feb 2024 · Performance
- added Amazon CloudFront Jan 2024 · CDN
2023 14 added · 14 dropped
- dropped Hotjar Dec 2023 · Analytics
- added React Nov 2023 · JavaScript frameworks
- dropped jQuery CDN Jul 2023 · CDN
- added Amazon ALB Jun 2023 · Load balancers
- added ClickCease Jun 2023 · Security
- added Cloudflare Browser Insights Jun 2023 · Analytics
- dropped Moment.js Jun 2023 · JavaScript libraries
- dropped Ruby Jun 2023 · Programming languages
- dropped Ruby on Rails Jun 2023 · Web frameworks
- dropped Cloudflare Browser Insights May 2023 · Analytics
- dropped React May 2023 · JavaScript frameworks
- dropped Site Kit May 2023 · WordPress plugins
- dropped Twitter Emoji (Twemoji) May 2023 · Font scripts
- added Amazon Web Services Apr 2023 · PaaS
- dropped Discourse Apr 2023 · Message boards
- dropped Ember.js Apr 2023 · JavaScript frameworks
- dropped Font Awesome Apr 2023 · Font scripts
- dropped Google PageSpeed Apr 2023 · Caching
- dropped Handlebars Apr 2023 · JavaScript frameworks
- added Site Kit Mar 2023 · WordPress plugins
- added Discourse Feb 2023 · Message boards
- added Ember.js Feb 2023 · JavaScript frameworks
- added Font Awesome Feb 2023 · Font scripts
- added Google PageSpeed Feb 2023 · Caching
- added Handlebars Feb 2023 · JavaScript frameworks
- added Microsoft Clarity Feb 2023 · Analytics
- added Apple iCloud Mail Jan 2023 · Webmail
- added jQuery CDN Jan 2023 · CDN
2022 73 added · 14 dropped
- dropped Cloudflare Network Error Logging Dec 2022 · Issue trackers
- added RSS Dec 2022 · Miscellaneous
- dropped Webpack Dec 2022 · Miscellaneous
- dropped Discourse Nov 2022 · Message boards
- dropped Ember.js Nov 2022 · JavaScript frameworks
- dropped Envoy Nov 2022 · Reverse proxies
- dropped Font Awesome Nov 2022 · Font scripts
- dropped Google PageSpeed Nov 2022 · Caching
- dropped Handlebars Nov 2022 · JavaScript frameworks
- dropped Swiper Slider Nov 2022 · Miscellaneous
- added jQuery UI Oct 2022 · JavaScript libraries
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added Swiper Sep 2022 · JavaScript libraries
- added Angular Aug 2022 · JavaScript frameworks
- added Babel Aug 2022 · Miscellaneous
- added Bootstrap Aug 2022 · UI frameworks
- added Cloudflare Aug 2022 · CDN
- added Cloudflare Bot Management Aug 2022 · Security
- added Cloudflare Browser Insights Aug 2022 · Analytics
- added Cloudflare Network Error Logging Aug 2022 · Issue trackers
- added Contact Form 7 Aug 2022 · WordPress plugins
- added core-js Aug 2022 · JavaScript libraries
- added Discourse Aug 2022 · Message boards
- added Ember.js Aug 2022 · JavaScript frameworks
- added Font Awesome Aug 2022 · Font scripts
- added GetSocial Aug 2022 · Analytics
- added Google Code Prettify Aug 2022 · Miscellaneous
- added Google Optimize Aug 2022 · A/B Testing
- added Google PageSpeed Aug 2022 · Caching
- added Google Tag Manager Aug 2022 · Tag managers
- added Google Workspace Aug 2022 · Webmail
- added Handlebars Aug 2022 · JavaScript frameworks
- 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 Jetpack Aug 2022 · WordPress plugins
- added Linkedin Insight Tag Aug 2022 · Analytics
- added Lodash Aug 2022 · JavaScript libraries
- added Matomo Analytics Aug 2022 · Analytics
- added Microsoft Advertising Aug 2022 · Advertising
- added Moment.js Aug 2022 · JavaScript libraries
- added Moodle Aug 2022 · LMS
- added MySQL Aug 2022 · Databases
- added Netlify Aug 2022 · CDN
- added PHP Aug 2022 · Programming languages
- added Popper Aug 2022 · Miscellaneous
- added PWA Aug 2022 · Miscellaneous
- added React Aug 2022 · JavaScript frameworks
- added reCAPTCHA Aug 2022 · Security
- added RequireJS Aug 2022 · JavaScript frameworks
- added Ruby Aug 2022 · Programming languages
- added Ruby on Rails Aug 2022 · Web frameworks
- added Sendgrid Aug 2022 · Email
- added SiteOrigin Page Builder Aug 2022 · WordPress plugins
- added Swiper Slider Aug 2022 · Miscellaneous
- added Twitter Emoji (Twemoji) Aug 2022 · Font scripts
- added TypeScript Aug 2022 · Programming languages
- added Underscore.js Aug 2022 · JavaScript libraries
- added Understrap Aug 2022 · WordPress themes
- added VideoJS Aug 2022 · Video players
- added Webpack Aug 2022 · Miscellaneous
- added WordPress Aug 2022 · CMS
- added Yoast SEO Aug 2022 · WordPress plugins
- added YUI Aug 2022 · JavaScript libraries
- added Zendesk Aug 2022 · Issue trackers
- added Zone.js Aug 2022 · JavaScript frameworks
- added Google PageSpeed Jun 2022 · Caching
- dropped Phusion Passenger Jun 2022 · Web servers
- dropped Tailwind CSS Jun 2022 · UI frameworks
- dropped Google PageSpeed May 2022 · Caching
- dropped Highlight.js May 2022 · Miscellaneous
- dropped jQuery UI May 2022 · JavaScript libraries
- added Swiper Slider May 2022 · Miscellaneous
- added Popper Apr 2022 · Miscellaneous
- added SiteOrigin Page Builder Apr 2022 · WordPress plugins
- added Tailwind CSS Apr 2022 · UI frameworks
- added VideoJS Apr 2022 · Video players
- added Cloudflare Browser Insights Mar 2022 · Analytics
- added Cloudflare Network Error Logging Feb 2022 · Issue trackers
- added Contact Form 7 Feb 2022 · WordPress plugins
- added Jetpack Feb 2022 · WordPress plugins
- added Underscore.js Feb 2022 · JavaScript libraries
- added Understrap Feb 2022 · WordPress themes
- added Hotjar Jan 2022 · Analytics
- added Microsoft Advertising Jan 2022 · Advertising
2021 36 added · 24 dropped · 1 switched
- dropped Google Sign-in Dec 2021 · Social logins
- dropped Wheelio Dec 2021 · Widgets
- added Cloudflare Bot Management Nov 2021 · Security
- added Envoy Nov 2021 · Reverse proxies
- added React Nov 2021 · JavaScript frameworks
- added Webpack Nov 2021 · Miscellaneous
- added Yoast SEO Nov 2021 · SEO
- added HubSpot Oct 2021 · Marketing automation
- added HubSpot Analytics Oct 2021 · Analytics
- added HubSpot Chat Oct 2021 · Live chat
- added Linkedin Insight Tag Oct 2021 · Analytics
- added Matomo Analytics Oct 2021 · Analytics
- dropped Polyfill Oct 2021 · JavaScript libraries
- dropped Yoast SEO Oct 2021 · SEO
- added core-js Sep 2021 · JavaScript libraries
- dropped Webpack Sep 2021 · Miscellaneous
- switched Google Plus Wheelio Sep 2021 · Widgets
- added Babel Jul 2021 · Miscellaneous
- added Discourse Jul 2021 · Message boards
- added Ember.js Jul 2021 · JavaScript frameworks
- added Google Code Prettify Jul 2021 · Miscellaneous
- added Google Optimize Jul 2021 · A/B Testing
- added Google Tag Manager Jul 2021 · Tag managers
- added Handlebars Jul 2021 · JavaScript frameworks
- added Highlight.js Jul 2021 · Miscellaneous
- added jQuery UI Jul 2021 · JavaScript libraries
- added Moment.js Jul 2021 · JavaScript libraries
- added Moodle Jul 2021 · LMS
- added Twitter Emoji (Twemoji) Jul 2021 · Font scripts
- added Yoast SEO Jul 2021 · SEO
- added YUI Jul 2021 · JavaScript libraries
- added Angular Jun 2021 · JavaScript frameworks
- added Ruby Jun 2021 · Programming languages
- added Ruby on Rails Jun 2021 · Web frameworks
- added TypeScript Jun 2021 · Programming languages
- added Webpack Jun 2021 · Miscellaneous
- added Zone.js Jun 2021 · JavaScript frameworks
- dropped AngularJS May 2021 · JavaScript frameworks
- dropped Google Tag Manager May 2021 · Tag managers
- dropped HubSpot Analytics May 2021 · Analytics
- added Zendesk May 2021 · CMS
- dropped Babel Mar 2021 · Miscellaneous
- dropped Chart.js Mar 2021 · JavaScript graphics
- dropped Discourse Mar 2021 · Message boards
- dropped Ember.js Mar 2021 · JavaScript frameworks
- dropped Google Code Prettify Mar 2021 · Miscellaneous
- dropped Handlebars Mar 2021 · JavaScript frameworks
- dropped HubSpot Mar 2021 · Marketing automation
- dropped Matomo Analytics Mar 2021 · Analytics
- dropped Moment.js Mar 2021 · JavaScript libraries
- dropped Moodle Mar 2021 · LMS
- dropped Ruby Mar 2021 · Programming languages
- dropped Ruby on Rails Mar 2021 · Web frameworks
- dropped SweetAlert Mar 2021 · JavaScript libraries
- dropped Twitter Emoji (Twemoji) Mar 2021 · Miscellaneous
- dropped Ubuntu Mar 2021 · Operating systems
- dropped YUI Mar 2021 · JavaScript libraries
- added GetSocial Feb 2021 · Social logins
- added Google Sign-in Feb 2021 · Social logins
- added HubSpot Analytics Feb 2021 · Analytics
- added Google PageSpeed Jan 2021 · Web server extensions
2020 4 added · 4 dropped · 1 switched
- dropped Google PageSpeed Sep 2020 · Caching
- dropped Gravatar Sep 2020 · Miscellaneous
- dropped AddThis Aug 2020 · Widgets
- switched Matomo Matomo Analytics Aug 2020 · Analytics
- dropped Zendesk Aug 2020 · CMS
- added Babel May 2020 · Miscellaneous
- added Polyfill May 2020 · JavaScript libraries
- added Google Plus Apr 2020 · Widgets
- added Zendesk Mar 2020 · CMS
2019 29 added · 12 dropped
- dropped Facebook Aug 2019 · Widgets
- added Font Awesome Jun 2019 · Font Scripts
- added Apache HTTP Server Mar 2019 · Web Servers
- added Bootstrap Mar 2019 · Web Frameworks
- added Cloudflare Mar 2019 · CDN
- added Discourse Mar 2019 · Message Boards
- added Ember.js Mar 2019 · JavaScript Frameworks
- added Facebook Mar 2019 · Widgets
- added FlexSlider Mar 2019 · Widgets
- added Google Analytics Mar 2019 · Analytics
- added Google Font API Mar 2019 · Font Scripts
- added Google PageSpeed Mar 2019 · Web Server Extensions
- added Google Tag Manager Mar 2019 · Tag Managers
- added Gravatar Mar 2019 · Miscellaneous
- added Handlebars Mar 2019 · JavaScript Frameworks
- added jQuery Mar 2019 · JavaScript Libraries
- added jQuery Migrate Mar 2019 · JavaScript Libraries
- added Modernizr Mar 2019 · JavaScript Libraries
- added Moment.js Mar 2019 · JavaScript Libraries
- added MySQL Mar 2019 · Databases
- added PHP Mar 2019 · Programming Languages
- added Phusion Passenger Mar 2019 · Web Servers
- added reCAPTCHA Mar 2019 · Captchas
- added Ruby Mar 2019 · Programming Languages
- added Ruby on Rails Mar 2019 · Web Frameworks
- dropped Select2 Mar 2019 · JavaScript Libraries
- added Twitter Emoji (Twemoji) Mar 2019 · Miscellaneous
- added WordPress Mar 2019 · Blogs
- added reCAPTCHA Feb 2019 · Captchas
- dropped Ubuntu Feb 2019 · Operating Systems
- dropped Yoast SEO Feb 2019 · SEO
- dropped AddThis Jan 2019 · Widgets
- dropped Font Awesome Jan 2019 · Font Scripts
- dropped Google Maps Jan 2019 · Maps
- added Google PageSpeed Jan 2019 · Cache Tools
- added Google Tag Manager Jan 2019 · Tag Managers
- dropped jQuery UI Jan 2019 · JavaScript Libraries
- dropped Lightbox Jan 2019 · JavaScript Libraries
- dropped prettyPhoto Jan 2019 · JavaScript Libraries
- dropped Tawk.to Jan 2019 · Live Chat
- dropped Underscore.js Jan 2019 · JavaScript Libraries
2018 13 added · 1 dropped
- added Gravatar Dec 2018 · Miscellaneous
- added Yoast SEO Dec 2018 · SEO
- dropped Lodash Aug 2018 · JavaScript Frameworks
- added Facebook Jun 2018 · Widgets
- added Google Analytics Jun 2018 · Analytics
- added Google Maps Jun 2018 · Maps
- added jQuery UI Jun 2018 · JavaScript Frameworks
- added Lodash Jun 2018 · JavaScript Frameworks
- added MySQL Jun 2018 · Databases
- added PHP Jun 2018 · Programming Languages
- added prettyPhoto Jun 2018 · JavaScript Frameworks
- added Tawk.to Jun 2018 · Live Chat
- added Twitter Emoji (Twemoji) Jun 2018 · Miscellaneous
- added Ubuntu Jun 2018 · Operating Systems