Technology history for khanacademy.org
Stack size over time
From 10 detected technologies in Jun 2018 to 108 in Jun 2026 (peak 119).
Currently detected
- Google Tag Manager since Jun 2018
- jQuery since Jun 2018
- Underscore.js since Jun 2018
- Backbone.js since Jun 2018
- Moment.js since Jun 2018
- Lodash since Jun 2018
- React since Jun 2018
- Google Analytics since Jun 2018
- Fastly since Aug 2018
- Lazy.js since Aug 2018
- OpenGSE since Aug 2018
- Java since Aug 2018
- Ruby since Aug 2018
- Bootstrap since Aug 2018
- Google Plus since Aug 2018
- Google Code Prettify since Aug 2018
- Webpack since Aug 2018
- Twitter typeahead.js since Aug 2018
- Python since Aug 2018
- Varnish since Aug 2018
- Ruby on Rails since Aug 2018
- Blogger since Aug 2018
- Disqus since Aug 2018
- GitHub Pages since Aug 2018
- jQuery Migrate since Jan 2019
- Facebook since Apr 2019
- Optimizely since Apr 2019
- Google Font API since Apr 2019
- OpenResty since Apr 2019
- Lua since Apr 2019
- Nginx since Apr 2019
- Sentry since Oct 2019
- Webflow since Oct 2019
- reCAPTCHA since Nov 2019
- Apollo since Mar 2020
- Tumblr since May 2020
- comScore since May 2020
- Node.js since Jul 2020
- Atlassian Statuspage since Jul 2020
- Twitter Emoji (Twemoji) since Aug 2020
- MySQL since Aug 2020
- Font Awesome since Aug 2020
- PHP since Aug 2020
- WordPress since Aug 2020
- WP Engine since Sep 2020
- Cloudflare since Oct 2020
- Zendesk since May 2021
- GraphQL since Jun 2021
- TypeScript since Jun 2021
- Google Remarketing Tag since Jul 2021
- PayPal since Jul 2021
- core-js since Sep 2021
- YouTube since Oct 2021
- Envoy since Nov 2021
- Cloudflare Bot Management since Dec 2021
- cdnjs since Dec 2021
- Google Hosted Libraries since Feb 2022
- Google Cloud since Apr 2022
- Tailwind CSS since Apr 2022
- Google Cloud Trace since Apr 2022
- Cart Functionality since Aug 2022
- Google Workspace since Aug 2022
- Salesforce since Aug 2022
- Sendgrid since Aug 2022
- Amazon Web Services since Aug 2022
- Cloudflare Browser Insights since Sep 2022
- Stripe since Sep 2022
- HSTS since Sep 2022
- Open Graph since Sep 2022
- GSAP since Sep 2022
- jQuery CDN since Sep 2022
- OneTrust since Sep 2022
- Classy since Sep 2022
- HTTP/3 since Nov 2022
- Shop Pay since Nov 2022
- WhatsApp Business Chat since Nov 2022
- OptinMonster since Nov 2022
- Shopify since Nov 2022
- Apple Pay since Nov 2022
- OptinMonster plugin since Dec 2022
- Apple iCloud Mail since Jan 2023
- RSS since Feb 2023
- Yoast SEO since Feb 2023
- Priority Hints since Feb 2023
- WPML since Mar 2023
- Transcend since Jun 2023
- Unbounce since Jul 2023
- Django since Aug 2023
- Amazon CloudFront since Oct 2023
- Yoast SEO Premium since Mar 2024
- jsDelivr since Jun 2024
- Razorpay since Jul 2024
- Svelte since Jul 2024
- WordPress Block Editor since Jul 2024
- Next.js since Feb 2025
- Emotion since Feb 2025
- GeneratePress since Mar 2025
- React Router since Mar 2025
- GenerateBlocks since Mar 2025
- mParticle since Apr 2025
- Google Sign-in since Aug 2025
- Facebook Login since Aug 2025
- Microsoft Advertising since Nov 2025
- HubSpot since Jan 2026
- Ember.js since Jun 2026
- PWA since Jun 2026
- Discourse since Jun 2026
- web-vitals since Jun 2026
Previously used
- FullStory Sep 2025 to Mar 2026 · 6 mo
- Heap Sep 2022 to Mar 2026 · 3 yrs
- New Relic Aug 2018 to Oct 2025 · 7 yrs
- Cloudflare Rocket Loader Oct 2022 to May 2025 · 2 yrs
- Facebook Pixel Jul 2021 to Feb 2025 · 3 yrs
- Genesis blocks Dec 2024 to Feb 2025 · 2 mo
- Genesis theme Nov 2021 to Feb 2025 · 3 yrs
- AngularJS Sep 2022 to Jan 2025 · 2 yrs
- Babel Sep 2022 to Jan 2025 · 2 yrs
- Boomerang Nov 2022 to Jan 2025 · 2 yrs
- BugSnag Sep 2022 to Jan 2025 · 2 yrs
- Google Maps May 2024 to Jan 2025 · 8 mo
- lit-element Jun 2024 to Jan 2025 · 7 mo
- lit-html Jun 2024 to Jan 2025 · 7 mo
- PayPal Marketing Solutions Sep 2022 to Jan 2025 · 2 yrs
- Plaid Oct 2022 to Jan 2025 · 2 yrs
- Twitter Oct 2020 to Jan 2025 · 4 yrs
- Twitter Ads Sep 2022 to Jan 2025 · 2 yrs
- Unpkg Sep 2022 to Jan 2025 · 2 yrs
- American Express Nov 2022 to Oct 2024 · 1 yr
- Google Pay Apr 2024 to Oct 2024 · 6 mo
- Linkedin Insight Tag Oct 2022 to Oct 2024 · 2 yrs
- Mastercard Nov 2022 to Oct 2024 · 1 yr
- Preact Jul 2024 to Oct 2024 · 3 mo
- Shopify Chat Jul 2024 to Oct 2024 · 3 mo
- Venmo Nov 2022 to Oct 2024 · 1 yr
- Visa Nov 2022 to Oct 2024 · 1 yr
- Polyfill Dec 2019 to Jun 2024 · 4 yrs
- styled-components Dec 2022 to Nov 2023 · 11 mo
- Google Optimize Nov 2022 to Oct 2023 · 11 mo
- Snowplow Analytics Jul 2023 to Sep 2023 · 2 mo
- C Feb 2023 to Feb 2023 · 1 mo
- Cloudflare Network Error Logging Feb 2022 to Oct 2022 · 8 mo
- Typeform Sep 2022 to Oct 2022 · 1 mo
- Algolia Aug 2022 to Aug 2022 · 1 mo
- Contentful Aug 2022 to Aug 2022 · 1 mo
- DocuSign Aug 2022 to Aug 2022 · 1 mo
- Popper Aug 2022 to Aug 2022 · 1 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Express Jul 2020 to May 2021 · 10 mo
- Google App Engine Jun 2018 to May 2021 · 2 yrs
- Handlebars Jun 2018 to Jan 2021 · 2 yrs
- jQuery UI Dec 2018 to Jan 2021 · 2 yrs
- Select2 Dec 2018 to Jan 2021 · 2 yrs
- TinyMCE Nov 2020 to Jan 2021 · 2 mo
Timeline
2026 1 added · 2 dropped
- dropped FullStory May 2026 · Analytics
- dropped Heap May 2026 · Analytics
- added Stripe Apr 2026 · Payment processors
2025 11 added · 32 dropped · 2 switched
- added FullStory Dec 2025 · Analytics
- dropped New Relic Dec 2025 · RUM
- dropped FullStory Nov 2025 · Analytics
- added GSAP Nov 2025 · JavaScript frameworks
- added jsDelivr Nov 2025 · CDN
- added Microsoft Advertising Nov 2025 · Advertising
- added FullStory Sep 2025 · Analytics
- dropped Cloudflare Rocket Loader Jul 2025 · Performance
- added Envoy Apr 2025 · Reverse proxies
- dropped Facebook Pixel Apr 2025 · Analytics
- added mParticle Apr 2025 · Customer data platform
- dropped AngularJS Mar 2025 · JavaScript frameworks
- dropped Babel Mar 2025 · Miscellaneous
- dropped Boomerang Mar 2025 · JavaScript libraries
- dropped BugSnag Mar 2025 · Analytics
- switched Genesis blocks GenerateBlocks Mar 2025 · WordPress plugins
- switched Genesis theme GeneratePress Mar 2025 · WordPress themes
- dropped Google Maps Mar 2025 · Maps
- dropped GSAP Mar 2025 · JavaScript frameworks
- dropped jsDelivr Mar 2025 · CDN
- dropped lit-element Mar 2025 · JavaScript libraries
- dropped lit-html Mar 2025 · JavaScript libraries
- dropped PayPal Marketing Solutions Mar 2025 · Analytics
- dropped Plaid Mar 2025 · Payment processors
- added React Router Mar 2025 · JavaScript frameworks
- dropped Stripe Mar 2025 · Payment processors
- dropped Twitter Mar 2025 · Widgets
- dropped Twitter Ads Mar 2025 · Advertising
- dropped Unpkg Mar 2025 · CDN
- added Emotion Feb 2025 · JavaScript frameworks
- dropped Express Feb 2025 · Web servers
- added Facebook Pixel Feb 2025 · Analytics
- dropped Google App Engine Feb 2025 · Web servers
- dropped Handlebars Feb 2025 · JavaScript frameworks
- dropped jQuery UI Feb 2025 · JavaScript libraries
- added Next.js Feb 2025 · JavaScript frameworks
- dropped Select2 Feb 2025 · JavaScript libraries
- dropped American Express Jan 2025 · Payment processors
- dropped Facebook Pixel Jan 2025 · Analytics
- dropped Google Pay Jan 2025 · Payment processors
- dropped Mastercard Jan 2025 · Payment processors
- dropped Preact Jan 2025 · JavaScript libraries
- dropped Shopify Chat Jan 2025 · Live chat
- dropped Venmo Jan 2025 · Payment processors
- dropped Visa Jan 2025 · Payment processors
2024 13 added · 6 dropped · 1 switched
- added Genesis blocks Dec 2024 · WordPress plugins
- dropped Linkedin Insight Tag Dec 2024 · Analytics
- dropped Polyfill Nov 2024 · JavaScript libraries
- added Facebook Pixel Sep 2024 · Analytics
- dropped Envoy Jul 2024 · Reverse proxies
- added Preact Jul 2024 · JavaScript libraries
- added Razorpay Jul 2024 · Payment processors
- added Shopify Chat Jul 2024 · Live chat
- added Svelte Jul 2024 · JavaScript frameworks
- added WordPress Block Editor Jul 2024 · Page builders
- added jsDelivr Jun 2024 · CDN
- added lit-element Jun 2024 · JavaScript libraries
- added lit-html Jun 2024 · JavaScript libraries
- added Google Maps May 2024 · Maps
- dropped Facebook Pixel Apr 2024 · Analytics
- dropped Google Optimize Mar 2024 · A/B Testing
- added OneTrust Mar 2024 · Cookie compliance
- added Yoast SEO Premium Mar 2024 · SEO
- switched Snowplow Analytics Facebook Pixel Feb 2024 · Analytics
- dropped styled-components Jan 2024 · JavaScript frameworks
2023 6 added · 2 dropped
- dropped OneTrust Sep 2023 · Cookie compliance
- added Transcend Jun 2023 · Cookie compliance
- dropped C Apr 2023 · Programming languages
- added WPML Mar 2023 · WordPress plugins
- added C Feb 2023 · Programming languages
- added Priority Hints Feb 2023 · Performance
- added Yoast SEO Feb 2023 · WordPress plugins
- added Apple iCloud Mail Jan 2023 · Webmail
2022 40 added · 11 dropped · 1 switched
- dropped Algolia Dec 2022 · Search engines
- dropped Cloudflare Network Error Logging Dec 2022 · Issue trackers
- dropped Contentful Dec 2022 · CMS
- dropped DocuSign Dec 2022 · Miscellaneous
- dropped Envoy Dec 2022 · Reverse proxies
- added OptinMonster plugin Dec 2022 · WordPress plugins
- added styled-components Dec 2022 · JavaScript frameworks
- dropped Typeform Dec 2022 · Surveys
- added Google Optimize Nov 2022 · A/B Testing
- added OptinMonster Nov 2022 · Marketing automation
- dropped Popper Nov 2022 · Miscellaneous
- added AngularJS Sep 2022 · JavaScript frameworks
- added Babel Sep 2022 · Miscellaneous
- added BugSnag Sep 2022 · Analytics
- added Classy Sep 2022 · Page builders
- added Cloudflare Browser Insights Sep 2022 · RUM
- added GSAP Sep 2022 · JavaScript frameworks
- added Heap Sep 2022 · Analytics
- added HSTS Sep 2022 · Security
- added jQuery CDN Sep 2022 · CDN
- added New Relic Sep 2022 · RUM
- added OneTrust Sep 2022 · Cookie compliance
- added Open Graph Sep 2022 · Miscellaneous
- added PayPal Sep 2022 · Payment processors
- added PayPal Marketing Solutions Sep 2022 · Analytics
- added Stripe Sep 2022 · Payment processors
- switched Wheelio Twitter Sep 2022 · Widgets
- added Twitter Ads Sep 2022 · Advertising
- added Typeform Sep 2022 · Surveys
- added Unpkg Sep 2022 · CDN
- added Amazon Web Services Aug 2022 · PaaS
- added Cloudflare Aug 2022 · CDN
- added Cloudflare Bot Management Aug 2022 · Security
- added Cloudflare Network Error Logging Aug 2022 · Issue trackers
- added Genesis theme Aug 2022 · WordPress themes
- added Google Workspace Aug 2022 · Email
- added Moment.js Aug 2022 · JavaScript libraries
- added Popper Aug 2022 · Miscellaneous
- added React Aug 2022 · JavaScript frameworks
- added Salesforce Aug 2022 · CRM
- added Sendgrid Aug 2022 · Email
- added Zendesk Aug 2022 · Issue trackers
- dropped Facebook Pixel Jul 2022 · Analytics
- dropped PayPal Jul 2022 · Payment processors
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added Google Cloud Apr 2022 · IaaS
- added Google Cloud Trace Apr 2022 · Performance
- added PayPal Apr 2022 · Payment processors
- added Tailwind CSS Apr 2022 · UI frameworks
- added Cloudflare Network Error Logging Feb 2022 · Issue trackers
- added Google Hosted Libraries Feb 2022 · CDN
- dropped PayPal Feb 2022 · Payment processors
2021 14 added · 5 dropped
- added Cloudflare Bot Management Dec 2021 · Security
- added PayPal Dec 2021 · Payment processors
- added Envoy Nov 2021 · Reverse proxies
- added Genesis theme Nov 2021 · WordPress themes
- dropped PayPal Nov 2021 · Payment processors
- dropped Twitter Nov 2021 · Widgets
- added core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- added Facebook Pixel Jul 2021 · Analytics
- added Google Remarketing Tag Jul 2021 · Retargeting
- added Moment.js Jul 2021 · JavaScript libraries
- added PayPal Jul 2021 · Payment processors
- added GraphQL Jun 2021 · Programming languages
- added TypeScript Jun 2021 · Programming languages
- added React May 2021 · JavaScript libraries
- added Zendesk May 2021 · CMS
- dropped React Apr 2021 · JavaScript Frameworks
- dropped Moment.js Mar 2021 · JavaScript libraries
- dropped TinyMCE Mar 2021 · Rich text editors
2020 14 added · 6 dropped
- dropped New Relic Dec 2020 · Analytics
- dropped comScore Nov 2020 · Analytics
- added TinyMCE Nov 2020 · Rich text editors
- dropped Tumblr Nov 2020 · Blogs
- added Font Awesome Aug 2020 · Font scripts
- added MySQL Aug 2020 · Databases
- added PHP Aug 2020 · Programming languages
- added Twitter Emoji (Twemoji) Aug 2020 · Miscellaneous
- added WordPress Aug 2020 · Blogs
- added Atlassian Statuspage Jul 2020 · Issue trackers
- added Express Jul 2020 · Web frameworks
- added Node.js Jul 2020 · Programming languages
- added Apollo Mar 2020 · JavaScript Libraries
- added Backbone.js Mar 2020 · JavaScript Frameworks
- added Handlebars Mar 2020 · JavaScript Frameworks
- added Underscore.js Mar 2020 · JavaScript Libraries
- dropped Backbone.js Jan 2020 · JavaScript Frameworks
- dropped Handlebars Jan 2020 · JavaScript Frameworks
- added React Jan 2020 · JavaScript Frameworks
- dropped Underscore.js Jan 2020 · JavaScript Libraries
2019 9 added · 6 dropped
- added Polyfill Dec 2019 · JavaScript Libraries
- dropped React Dec 2019 · JavaScript Frameworks
- added Handlebars Nov 2019 · JavaScript Frameworks
- added reCAPTCHA Nov 2019 · Captchas
- added Sentry Oct 2019 · Issue Trackers
- added Webflow Oct 2019 · Landing Page Builders
- added Backbone.js Aug 2019 · JavaScript Frameworks
- added React Aug 2019 · JavaScript Frameworks
- added Underscore.js Aug 2019 · JavaScript Libraries
- dropped Moment.js Jun 2019 · JavaScript Libraries
- dropped React Jun 2019 · JavaScript Frameworks
- dropped Backbone.js Feb 2019 · JavaScript Frameworks
- dropped Handlebars Feb 2019 · JavaScript Frameworks
- dropped Underscore.js Feb 2019 · JavaScript Libraries
- added jQuery Migrate Jan 2019 · JavaScript Libraries
2018 3 added · 2 dropped
- added jQuery UI Dec 2018 · JavaScript Libraries
- added Select2 Dec 2018 · JavaScript Libraries
- added Handlebars Nov 2018 · JavaScript Frameworks
- dropped Handlebars Aug 2018 · JavaScript Frameworks
- dropped Lodash Aug 2018 · JavaScript Frameworks