Technology history for udacity.com
Stack size over time
From 1 detected technologies in Apr 2018 to 129 in Jun 2026.
Currently detected
- Angular since Apr 2018
- Contentful since Jun 2018
- Facebook since Jun 2018
- Google Analytics since Jun 2018
- Amazon CloudFront since Jun 2018
- Amazon S3 since Jun 2018
- Segment since Jun 2018
- Google Tag Manager since Jun 2018
- Hotjar since Jun 2018
- Lodash since Jul 2018
- Webpack since Jul 2018
- OpenResty since Aug 2018
- GitHub Pages since Aug 2018
- Criteo since Aug 2018
- Fastly since Aug 2018
- PHP since Aug 2018
- Moment.js since Aug 2018
- MySQL since Aug 2018
- New Relic since Aug 2018
- Nginx since Aug 2018
- Optimizely since Aug 2018
- All in One SEO Pack since Aug 2018
- Bootstrap since Aug 2018
- Cloudflare since Aug 2018
- jQuery since Aug 2018
- jQuery Migrate since Aug 2018
- Lua since Aug 2018
- MediaElement.js since Aug 2018
- Google Font API since Aug 2018
- Twitter since Aug 2018
- Intercom since Aug 2018
- React since Aug 2018
- Ruby since Aug 2018
- TrackJs since Aug 2018
- Ruby on Rails since Aug 2018
- Varnish since Aug 2018
- WordPress since Aug 2018
- Zone.js since Aug 2018
- styled-components since Sep 2018
- reCAPTCHA since Oct 2018
- Node.js since Jan 2019
- Google Cloud since Jan 2019
- Amplitude since Jan 2019
- Amazon Web Services since Jan 2019
- Medium since Jan 2019
- Typekit since Feb 2019
- Express since Mar 2019
- PayPal since Apr 2019
- Stripe since Apr 2019
- WP Engine since May 2019
- Quantcast Measure since Sep 2019
- WP-Statistics since Sep 2019
- Sentry since Oct 2019
- Babel since Mar 2020
- Next.js since May 2020
- Atlassian Statuspage since Jul 2020
- Envoy since Aug 2020
- Quantcast Choice since Aug 2020
- Marketo since Oct 2020
- Engagio since Feb 2021
- Linkedin Insight Tag since Feb 2021
- Microsoft Advertising since Feb 2021
- Impact since Feb 2021
- Twitter Ads since Apr 2021
- Twitter Analytics since Apr 2021
- Facebook Pixel since Jun 2021
- Emotion since Jul 2021
- Google Ads Conversion Tracking since Jul 2021
- Unbounce since Jul 2021
- core-js since Aug 2021
- Java since Aug 2021
- Cloudflare Bot Management since Oct 2021
- Drift since Dec 2021
- Microsoft Clarity since Dec 2021
- Simpli.fi since Jan 2022
- FingerprintJS since Feb 2022
- Dreamdata since Feb 2022
- Algolia since Feb 2022
- Blueshift since Feb 2022
- Datadog since Apr 2022
- Tailwind CSS since Apr 2022
- Transcend since Jun 2022
- PWA since Aug 2022
- Salesforce since Aug 2022
- Sendgrid since Aug 2022
- Google Workspace since Aug 2022
- Zendesk since Aug 2022
- Open Graph since Sep 2022
- HSTS since Sep 2022
- HTTP/3 since Sep 2022
- Linkedin Ads since Oct 2022
- Google Ads since Dec 2022
- BrightEdge since Dec 2022
- 6sense since Dec 2022
- RSS since Dec 2022
- Apple iCloud Mail since Jan 2023
- Chakra UI since Mar 2023
- Storybook since Mar 2023
- jQuery CDN since Jun 2023
- cdnjs since Jun 2023
- jQuery UI since Jun 2023
- Qualtrics since Jun 2023
- Google Hosted Libraries since Jun 2023
- Google Optimize since Jun 2023
- Salesforce Marketing Cloud Account Engagement since Jun 2023
- TypeScript since Jun 2023
- Facebook Login since Jul 2023
- Pingdom RUM since Jul 2023
- Plyr since Jul 2023
- Ahoy since Jul 2023
- Turbolinks since Jul 2023
- Headless UI since Jul 2023
- Stimulus since Jul 2023
- VideoJS since Jul 2023
- Priority Hints since Sep 2023
- AddShoppers since Sep 2023
- Sanity since Sep 2023
- Cart Functionality since Nov 2023
- Swiper since Nov 2023
- Cloudflare Browser Insights since Feb 2024
- Trix since Feb 2024
- Reddit Ads since May 2025
- MUI since Sep 2025
- HubSpot since Nov 2025
- Apollo since Jan 2026
- Loadable-Components since Jan 2026
- GraphQL since Jan 2026
- React Router since Jan 2026
- Next.js App Router since Apr 2026
Previously used
- Qualified Dec 2023 to Nov 2025 · 1 yr
- YouTube Dec 2019 to Mar 2025 · 5 yrs
- Ada Jun 2023 to Nov 2024 · 1 yr
- Preact Jun 2023 to Nov 2024 · 1 yr
- Branch Feb 2022 to Oct 2024 · 2 yrs
- Embedly Jul 2023 to Sep 2024 · 1 yr
- Amazon ALB Jun 2023 to May 2024 · 11 mo
- LinkMink Jul 2023 to Sep 2023 · 2 mo
- Google Code Prettify Jul 2020 to Mar 2023 · 2 yrs
- Polyfill Jul 2020 to Mar 2023 · 2 yrs
- Twitter typeahead.js Jul 2020 to Mar 2023 · 2 yrs
- C Feb 2023 to Feb 2023 · 1 mo
- jsDelivr Jul 2020 to Jul 2022 · 2 yrs
- Google Remarketing Tag Aug 2021 to Apr 2022 · 8 mo
- Google Sign-in Jul 2021 to Oct 2021 · 3 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Choices Apr 2021 to Sep 2021 · 5 mo
- Tealium Aug 2021 to Sep 2021 · 1 mo
- Twitter Emoji (Twemoji) Aug 2018 to Jan 2021 · 2 yrs
- Baidu Analytics (百度统计) Jul 2020 to Dec 2020 · 5 mo
- Parse.ly Jan 2019 to Aug 2020 · 1 yr
- Pardot Mar 2020 to May 2020 · 2 mo
- Yoast SEO Aug 2018 to Nov 2019 · 1 yr
- Crazy Egg Aug 2018 to Mar 2019 · 7 mo
- Disqus Aug 2018 to Jan 2019 · 5 mo
- AppNexus Aug 2018 to Dec 2018 · 4 mo
- Prism Nov 2018 to Nov 2018 · 1 mo
- AdRoll Jun 2018 to Oct 2018 · 4 mo
- Google Maps Aug 2018 to Oct 2018 · 2 mo
- webpack-2 Jun 2018 to Jun 2018 · 1 mo
Timeline
2026 1 added · 4 dropped
- added Next.js App Router Apr 2026 · JavaScript frameworks
- dropped Google Code Prettify Jan 2026 · Miscellaneous
- dropped Polyfill Jan 2026 · JavaScript libraries
- dropped Qualified Jan 2026 · Live chat
- dropped Twitter typeahead.js Jan 2026 · JavaScript libraries
2025 4 added · 5 dropped
- dropped Embedly Nov 2025 · Widgets
- added HubSpot Nov 2025 · Marketing automation
- added Qualified Sep 2025 · Live chat
- added Reddit Ads May 2025 · Advertising
- dropped YouTube May 2025 · Video players
- dropped Branch Mar 2025 · Analytics
- added YouTube Mar 2025 · Video players
- dropped Ada Jan 2025 · Live chat
- dropped Preact Jan 2025 · JavaScript libraries
2024 3 dropped
- dropped Qualified Dec 2024 · Live chat
- dropped Amazon ALB Jul 2024 · Load balancers
- dropped LinkMink Mar 2024 · Analytics
2023 10 added · 1 dropped
- added Qualified Dec 2023 · Live chat
- added Cart Functionality Nov 2023 · Ecommerce
- added Swiper Nov 2023 · JavaScript libraries
- added AddShoppers Sep 2023 · Analytics
- added Priority Hints Sep 2023 · Performance
- added Sanity Sep 2023 · CMS
- dropped C Apr 2023 · Programming languages
- added Chakra UI Mar 2023 · UI frameworks
- added Storybook Mar 2023 · Development
- added C Feb 2023 · Programming languages
- added Apple iCloud Mail Jan 2023 · Webmail
2022 39 added · 6 dropped
- added 6sense Dec 2022 · Marketing automation
- added BrightEdge Dec 2022 · SEO
- added FingerprintJS Dec 2022 · JavaScript libraries
- added Google Ads Dec 2022 · Advertising
- added RSS Dec 2022 · Miscellaneous
- dropped FingerprintJS Oct 2022 · JavaScript libraries
- dropped jsDelivr Oct 2022 · CDN
- added Linkedin Ads Oct 2022 · Advertising
- added HSTS Sep 2022 · Security
- added HTTP/3 Sep 2022 · Miscellaneous
- added Open Graph Sep 2022 · Miscellaneous
- added Algolia Aug 2022 · Search engines
- added Atlassian Statuspage Aug 2022 · Issue trackers
- added Blueshift Aug 2022 · Analytics
- added Branch Aug 2022 · Analytics
- added Datadog Aug 2022 · RUM
- added Dreamdata Aug 2022 · Analytics
- added Drift Aug 2022 · Live chat
- added Envoy Aug 2022 · Reverse proxies
- added Google Code Prettify Aug 2022 · Miscellaneous
- added Google Workspace Aug 2022 · Email
- added Medium Aug 2022 · Blogs
- added Microsoft Clarity Aug 2022 · Analytics
- added PayPal Aug 2022 · Payment processors
- added Polyfill Aug 2022 · JavaScript libraries
- added PWA Aug 2022 · Miscellaneous
- added reCAPTCHA Aug 2022 · Security
- added Salesforce Aug 2022 · CRM
- added Sendgrid Aug 2022 · Email
- added Transcend Aug 2022 · Cookie compliance
- added Twitter typeahead.js Aug 2022 · JavaScript libraries
- added Unbounce Aug 2022 · Editors
- added Zendesk Aug 2022 · Issue trackers
- dropped Wheelio Jul 2022 · Widgets
- dropped Choices Jun 2022 · Miscellaneous
- dropped Google Remarketing Tag Jun 2022 · Retargeting
- added Datadog Apr 2022 · RUM
- added Google Remarketing Tag Apr 2022 · Retargeting
- added PayPal Apr 2022 · Payment processors
- added Tailwind CSS Apr 2022 · UI frameworks
- dropped Parse.ly Mar 2022 · Analytics
- added Blueshift Feb 2022 · Analytics
- added Dreamdata Feb 2022 · Analytics
- added Polyfill Feb 2022 · JavaScript libraries
- added Simpli.fi Jan 2022 · Advertising
2021 18 added · 8 dropped · 1 switched
- added Drift Dec 2021 · Live chat
- dropped Google Sign-in Dec 2021 · Social logins
- added Microsoft Clarity Dec 2021 · Analytics
- dropped Google Remarketing Tag Nov 2021 · Retargeting
- dropped Tealium Nov 2021 · Tag managers
- added Cloudflare Bot Management Oct 2021 · Security
- dropped Emotion Oct 2021 · Development
- dropped Polyfill Oct 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- added core-js Aug 2021 · JavaScript libraries
- added Google Remarketing Tag Aug 2021 · Retargeting
- added Java Aug 2021 · Programming languages
- added Tealium Aug 2021 · Tag managers
- added Google Ads Conversion Tracking Jul 2021 · Analytics
- added Google Sign-in Jul 2021 · Social logins
- added Facebook Pixel Jun 2021 · Analytics
- switched Twitter Emoji (Twemoji) Choices Apr 2021 · Miscellaneous
- added Twitter Ads Apr 2021 · Advertising
- added Twitter Analytics Apr 2021 · Analytics
- dropped jsDelivr Mar 2021 · CDN
- dropped YouTube Mar 2021 · Video players
- dropped Baidu Analytics (百度统计) Feb 2021 · Analytics
- added Engagio Feb 2021 · Analytics
- added Impact Feb 2021 · Affiliate programs
- added Linkedin Insight Tag Feb 2021 · Analytics
- added Microsoft Advertising Feb 2021 · Analytics
- added YouTube Jan 2021 · Video players
2020 9 added · 2 dropped · 1 switched
- switched Pardot Marketo Oct 2020 · Marketing automation
- added Envoy Aug 2020 · Reverse proxies
- added Quantcast Choice Aug 2020 · Cookie compliance
- added Baidu Analytics (百度统计) Jul 2020 · Analytics
- added jsDelivr Jul 2020 · CDN
- added Next.js May 2020 · Web frameworks
- added React May 2020 · JavaScript frameworks
- added Babel Mar 2020 · Miscellaneous
- added Pardot Mar 2020 · Marketing Automation
- added WP Engine Mar 2020 · PaaS
- dropped YouTube Mar 2020 · Video Players
- dropped Yoast SEO Jan 2020 · SEO
2019 37 added · 11 dropped · 1 switched
- added YouTube Dec 2019 · Video Players
- dropped Stripe Nov 2019 · Payment Processors
- dropped PayPal Oct 2019 · Payment Processors
- added Sentry Oct 2019 · Issue Trackers
- dropped WP Engine Oct 2019 · PaaS
- added Quantcast Measure Sep 2019 · Analytics
- added WP-Statistics Sep 2019 · Analytics
- added PayPal Aug 2019 · Payment Processors
- dropped reCAPTCHA Aug 2019 · Captchas
- added Stripe Aug 2019 · Payment Processors
- dropped PayPal Jun 2019 · Payment Processors
- dropped Stripe Jun 2019 · Payment Processors
- dropped Crazy Egg May 2019 · Analytics
- added WP Engine May 2019 · PaaS
- added PayPal Apr 2019 · Payment Processors
- dropped React Apr 2019 · JavaScript Frameworks
- added Stripe Apr 2019 · Payment Processors
- added All in One SEO Pack Mar 2019 · SEO
- added Amplitude Mar 2019 · Analytics
- added Cloudflare Mar 2019 · CDN
- added Crazy Egg Mar 2019 · Analytics
- added Criteo Mar 2019 · Advertising Networks
- dropped Disqus Mar 2019 · Comment Systems
- added Express Mar 2019 · Web Frameworks
- added Google Cloud Mar 2019 · CDN
- added Intercom Mar 2019 · Analytics
- added jQuery Mar 2019 · JavaScript Libraries
- added jQuery Migrate Mar 2019 · JavaScript Libraries
- added Lodash Mar 2019 · JavaScript Libraries
- added Lua Mar 2019 · Programming Languages
- added MediaElement.js Mar 2019 · Video Players
- added Moment.js Mar 2019 · JavaScript Libraries
- added MySQL Mar 2019 · Databases
- added OpenResty Mar 2019 · Web Servers
- added Optimizely Mar 2019 · Analytics
- added PHP Mar 2019 · Programming Languages
- added reCAPTCHA Mar 2019 · Captchas
- added TrackJs Mar 2019 · Analytics
- added Twitter Mar 2019 · Widgets
- switched Prism Twitter Emoji (Twemoji) Mar 2019 · Miscellaneous
- added Typekit Mar 2019 · Font Scripts
- added WordPress Mar 2019 · CMS
- added Yoast SEO Mar 2019 · SEO
- dropped AppNexus Feb 2019 · Advertising Networks
- dropped styled-components Feb 2019 · JavaScript Frameworks
- added Typekit Feb 2019 · Font Scripts
- added Amazon Web Services Jan 2019 · PaaS
- added Amplitude Jan 2019 · Analytics
- added Google Cloud Jan 2019 · CDN
2018 16 added · 3 dropped
- dropped AdRoll Dec 2018 · Advertising Networks
- dropped Google Maps Dec 2018 · Maps
- added Prism Nov 2018 · Miscellaneous
- added reCAPTCHA Oct 2018 · Captchas
- added styled-components Sep 2018 · JavaScript Frameworks
- dropped webpack-2 Aug 2018 · Miscellaneous
- added Zone.js Aug 2018 · JavaScript Frameworks
- added Lodash Jul 2018 · JavaScript Frameworks
- added Webpack Jul 2018 · Miscellaneous
- added AdRoll Jun 2018 · Advertising Networks
- added Amazon CloudFront Jun 2018 · CDN
- added Amazon S3 Jun 2018 · Miscellaneous
- added Contentful Jun 2018 · CMS
- added Facebook Jun 2018 · Widgets
- added Google Analytics Jun 2018 · Analytics
- added Google Tag Manager Jun 2018 · Tag Managers
- added Hotjar Jun 2018 · Analytics
- added Segment Jun 2018 · Analytics
- added webpack-2 Jun 2018 · Miscellaneous