Technology history for understood.org
Stack size over time
From 7 detected technologies in Apr 2018 to 99 in Jun 2026.
Currently detected
- Google Tag Manager since Apr 2018
- jQuery since Apr 2018
- Microsoft ASP.NET since Apr 2018
- Modernizr since Apr 2018
- Optimizely since Apr 2018
- New Relic since Jun 2018
- jQuery UI since Jun 2018
- Crazy Egg since Jun 2018
- Google Analytics since Jun 2018
- Facebook since Jun 2018
- IIS since Jun 2018
- Bounce Exchange since Jun 2018
- Handlebars since Jun 2018
- Quantcast Measure since Jun 2018
- Windows Server since Jun 2018
- reCAPTCHA since Oct 2018
- Varnish since Apr 2019
- Essential JS 2 since Oct 2019
- Ruby since Apr 2020
- Cloudflare since Apr 2020
- Ruby on Rails since Apr 2020
- Zendesk since Apr 2020
- Lodash since May 2020
- Contentful since May 2020
- Next.js since May 2020
- Node.js since May 2020
- Envoy since May 2020
- React since May 2020
- Webpack since May 2020
- Ensighten since Jul 2020
- Bootstrap since Jul 2020
- Cart Functionality since Nov 2020
- Quantcast Choice since Dec 2020
- Linkedin Insight Tag since Feb 2021
- Twitter Ads since Apr 2021
- Snowplow Analytics since Apr 2021
- Pinterest Conversion Tag since Jul 2021
- Facebook Pixel since Jul 2021
- styled-components since Jul 2021
- Hotjar since Sep 2021
- core-js since Sep 2021
- Datadog since Oct 2021
- Cloudflare Bot Management since Nov 2021
- Font Awesome since Nov 2021
- Matomo Analytics since Nov 2021
- PHP since Nov 2021
- theTradeDesk since Nov 2021
- Reddit Ads since Dec 2021
- TikTok Pixel since Dec 2021
- Tailwind CSS since Apr 2022
- AppNexus since Jun 2022
- Moment.js since Aug 2022
- MailChimp since Aug 2022
- PayPal since Sep 2022
- Twitter since Sep 2022
- Unpkg since Sep 2022
- YouTube since Sep 2022
- AngularJS since Sep 2022
- BugSnag since Sep 2022
- Classy since Sep 2022
- Babel since Sep 2022
- Cloudflare Browser Insights since Sep 2022
- GSAP since Sep 2022
- jQuery CDN since Sep 2022
- Froala Editor since Sep 2022
- HSTS since Sep 2022
- Open Graph since Sep 2022
- Google Font API since Sep 2022
- Braintree since Sep 2022
- Heap since Sep 2022
- Stripe since Sep 2022
- OneTrust since Sep 2022
- PWA since Nov 2022
- Microsoft Advertising since Nov 2022
- Plaid since Nov 2022
- ActiveCampaign since Nov 2022
- Cloudflare Rocket Loader since Nov 2022
- PayPal Marketing Solutions since Nov 2022
- RSS since Dec 2022
- Vercel since May 2024
- Virtuous since Jun 2024
- jQuery Migrate since Aug 2024
- Next.js App Router since Aug 2024
- toastr since Aug 2024
- VideoJS since Aug 2024
- AddThis since Aug 2024
- Animate.css since Aug 2024
- Select2 since Aug 2024
- Apache HTTP Server since Aug 2024
- Vercel Analytics since Aug 2024
- Priority Hints since Oct 2024
- Vercel Speed Insights since Jan 2025
- Apple iCloud Mail since Apr 2025
- Sentry since Jul 2025
- Google Hosted Libraries since Aug 2025
- VDX.tv since Aug 2025
- Azure since Aug 2025
- Nextdoor Ads since Oct 2025
- Turbopack since Nov 2025
Previously used
- Apple Sign-in Oct 2024 to Jan 2025 · 3 mo
- PDF.js Dec 2024 to Jan 2025 · 1 mo
- Apollo Aug 2024 to Dec 2024 · 4 mo
- GraphQL Aug 2024 to Dec 2024 · 4 mo
- TypeScript Aug 2024 to Dec 2024 · 4 mo
- Mautic Jan 2024 to Jan 2024 · 1 mo
- Java Sep 2022 to Dec 2022 · 3 mo
- Cloudflare Network Error Logging Aug 2022 to Oct 2022 · 2 mo
- Fastly May 2022 to Aug 2022 · 3 mo
- Adobe Audience Manager Apr 2022 to Apr 2022 · 1 mo
- Criteo Aug 2021 to Apr 2022 · 8 mo
- Google Ads Conversion Tracking Aug 2021 to Apr 2022 · 8 mo
- Google Remarketing Tag Aug 2021 to Apr 2022 · 8 mo
- Twitter Analytics Apr 2021 to Apr 2022 · 1 yr
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Nginx Apr 2018 to Jan 2020 · 1 yr
- Pinterest Apr 2018 to Apr 2018 · 1 mo
Timeline
2025 7 added · 5 dropped
- added Turbopack Nov 2025 · Development
- added Nextdoor Ads Oct 2025 · Advertising
- added VDX.tv Aug 2025 · Advertising
- added Sentry Jul 2025 · Issue trackers
- added Tailwind CSS May 2025 · UI frameworks
- added Apple iCloud Mail Apr 2025 · Webmail
- dropped Apple Sign-in Mar 2025 · Authentication
- dropped PDF.js Mar 2025 · Miscellaneous
- dropped Apollo Feb 2025 · JavaScript libraries
- dropped GraphQL Feb 2025 · Programming languages
- dropped TypeScript Feb 2025 · Programming languages
- added Vercel Speed Insights Jan 2025 · Analytics
2024 11 added · 1 dropped
- added PDF.js Dec 2024 · Miscellaneous
- added Apple Sign-in Oct 2024 · Authentication
- added Priority Hints Oct 2024 · Performance
- added Apollo Aug 2024 · JavaScript libraries
- added GraphQL Aug 2024 · Programming languages
- added Next.js App Router Aug 2024 · JavaScript frameworks
- added TypeScript Aug 2024 · Programming languages
- added Vercel Analytics Aug 2024 · Analytics
- added Virtuous Jun 2024 · Fundraising & donations
- added Vercel May 2024 · PaaS
- dropped Mautic Mar 2024 · Marketing automation
- added Mautic Jan 2024 · Marketing automation
2023 2 dropped
2022 9 added · 10 dropped
- dropped Cloudflare Network Error Logging Dec 2022 · Issue trackers
- dropped Fastly Dec 2022 · CDN
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added MailChimp Aug 2022 · Marketing automation
- added Twitter Ads Aug 2022 · Advertising
- added TikTok Pixel Jul 2022 · Analytics
- dropped Adobe Audience Manager Jun 2022 · Segmentation
- added AppNexus Jun 2022 · Advertising
- dropped Criteo Jun 2022 · Retargeting
- dropped Google Ads Conversion Tracking Jun 2022 · Analytics
- dropped Google Remarketing Tag Jun 2022 · Retargeting
- dropped Tailwind CSS Jun 2022 · UI frameworks
- dropped TikTok Pixel Jun 2022 · Analytics
- dropped Twitter Ads Jun 2022 · Advertising
- dropped Twitter Analytics Jun 2022 · Analytics
- added Fastly May 2022 · CDN
- added Adobe Audience Manager Apr 2022 · Segmentation
- added Tailwind CSS Apr 2022 · UI frameworks
2021 23 added · 4 dropped
- added Reddit Ads Dec 2021 · Advertising
- added TikTok Pixel Dec 2021 · Analytics
- dropped Wheelio Dec 2021 · Widgets
- added Cloudflare Bot Management Nov 2021 · Security
- added theTradeDesk Nov 2021 · Advertising
- added Datadog Oct 2021 · RUM
- added core-js Sep 2021 · JavaScript libraries
- added Hotjar Sep 2021 · Analytics
- added Wheelio Sep 2021 · Widgets
- added Criteo Aug 2021 · Advertising
- added Google Ads Conversion Tracking Aug 2021 · Analytics
- added Google Remarketing Tag Aug 2021 · Retargeting
- added Cart Functionality Jul 2021 · Ecommerce
- added Facebook Pixel Jul 2021 · Analytics
- added Lodash Jul 2021 · JavaScript libraries
- added Pinterest Conversion Tag Jul 2021 · Analytics
- added Ruby Jul 2021 · Programming languages
- added Ruby on Rails Jul 2021 · Web frameworks
- added styled-components Jul 2021 · Development
- dropped Cart Functionality May 2021 · Ecommerce
- added Zendesk May 2021 · CMS
- dropped Ruby Apr 2021 · Programming languages
- dropped Ruby on Rails Apr 2021 · Web frameworks
- added Snowplow Analytics Apr 2021 · IaaS
- added Twitter Ads Apr 2021 · Advertising
- added Twitter Analytics Apr 2021 · Analytics
- added Linkedin Insight Tag Feb 2021 · Analytics
2020 4 added · 9 dropped
- added Cart Functionality Nov 2020 · Ecommerce
- dropped Zendesk Nov 2020 · CMS
- added Facebook Aug 2020 · Widgets
- dropped Lodash Aug 2020 · JavaScript libraries
- added Bootstrap Jul 2020 · UI frameworks
- added Ensighten Jul 2020 · Tag managers
- dropped Optimizely Jul 2020 · Analytics
- dropped Bounce Exchange Jun 2020 · Marketing Automation
- dropped Facebook Jun 2020 · Widgets
- dropped New Relic Jun 2020 · Analytics
- dropped Nginx Jun 2020 · Web Servers
- dropped Quantcast Measure Jun 2020 · Analytics
- dropped reCAPTCHA Jun 2020 · Captchas
2019 19 added
- added Essential JS 2 Oct 2019 · Web Frameworks
- added Varnish Apr 2019 · Cache Tools
- added Bounce Exchange Mar 2019 · Marketing Automation
- added Crazy Egg Mar 2019 · Analytics
- added Facebook Mar 2019 · Widgets
- added Google Analytics Mar 2019 · Analytics
- added Google Tag Manager Mar 2019 · Tag Managers
- added Handlebars Mar 2019 · JavaScript Frameworks
- added IIS Mar 2019 · Web Servers
- added jQuery Mar 2019 · JavaScript Libraries
- added jQuery UI Mar 2019 · JavaScript Libraries
- added Microsoft ASP.NET Mar 2019 · Web Frameworks
- added Modernizr Mar 2019 · JavaScript Libraries
- added New Relic Mar 2019 · Analytics
- added Nginx Mar 2019 · Web Servers
- added Optimizely Mar 2019 · Analytics
- added Quantcast Measure Mar 2019 · Analytics
- added reCAPTCHA Mar 2019 · Captchas
- added Windows Server Mar 2019 · Operating Systems