Technology history for undo.org
Stack size over time
From 21 detected technologies in Aug 2022 to 31 in Jun 2026.
Currently detected
- jQuery since Aug 2022
- Google Tag Manager since Aug 2022
- Hotjar since Aug 2022
- core-js since Aug 2022
- Facebook Pixel since Aug 2022
- Google Analytics since Aug 2022
- Microsoft Advertising since Aug 2022
- TikTok Pixel since Aug 2022
- Webpack since Aug 2022
- HSTS since Sep 2022
- Nextdoor Ads since Sep 2022
- Open Graph since Sep 2022
- YouTube since Mar 2023
- AcuityAds since May 2023
- AppNexus since May 2023
- Tapad since May 2023
- Rubicon Project since Jun 2023
- Adobe Audience Manager since Aug 2023
- Microsoft 365 since Sep 2023
- OpenX since Oct 2023
- Swiper since Oct 2023
- Priority Hints since Apr 2024
- Cloudflare since Jul 2025
- HTTP/3 since Jul 2025
- jsDelivr since Jul 2025
- reCAPTCHA since Jul 2025
- Webflow since Jul 2025
- Reddit Ads since Aug 2025
- Smart Ad Server since Oct 2025
- Cloudflare Bot Management since Jun 2026
- Mautic since Jun 2026
Previously used
- GoDaddy Aug 2022 to Jan 2026 · 3 yrs
- Datadog Oct 2022 to Jun 2025 · 2 yrs
- Next.js Aug 2022 to Jun 2025 · 2 yrs
- Node.js Aug 2022 to Jun 2025 · 2 yrs
- React Aug 2022 to Jun 2025 · 2 yrs
- Vercel Aug 2022 to Jun 2025 · 2 yrs
- Vercel Speed Insights Jan 2025 to Jun 2025 · 5 mo
- VWO Jan 2025 to Jun 2025 · 5 mo
- Emotion Aug 2024 to Dec 2024 · 4 mo
- Preact Aug 2024 to Dec 2024 · 4 mo
- jQuery CDN Aug 2022 to Jul 2024 · 1 yr
- Taboola Aug 2022 to Jul 2024 · 1 yr
- Verizon Media May 2023 to Feb 2024 · 9 mo
- Google Optimize Aug 2022 to Oct 2023 · 1 yr
- MySQL Aug 2022 to May 2023 · 9 mo
- PHP Aug 2022 to May 2023 · 9 mo
- WordPress Aug 2022 to May 2023 · 9 mo
- Yoast SEO Aug 2022 to May 2023 · 9 mo
Timeline
2026 6 added · 3 dropped
- added Cloudflare Bot Management Jun 2026 · Security
- added Mautic Jun 2026 · Marketing automation
- added OpenX Jun 2026 · Advertising
- dropped OpenX May 2026 · Advertising
- dropped GoDaddy Mar 2026 · Hosting
- added OpenX Mar 2026 · Advertising
- added Smart Ad Server Mar 2026 · Advertising
- added AppNexus Feb 2026 · Advertising
- dropped Smart Ad Server Feb 2026 · Advertising
2025 16 added · 10 dropped
- dropped OpenX Nov 2025 · Advertising
- added Smart Ad Server Oct 2025 · Advertising
- added OpenX Sep 2025 · Advertising
- dropped Datadog Aug 2025 · Analytics
- added Nextdoor Ads Aug 2025 · Advertising
- dropped Next.js Aug 2025 · JavaScript frameworks
- dropped Node.js Aug 2025 · Programming languages
- dropped React Aug 2025 · JavaScript frameworks
- added Reddit Ads Aug 2025 · Advertising
- dropped Vercel Aug 2025 · PaaS
- dropped Vercel Speed Insights Aug 2025 · Analytics
- dropped VWO Aug 2025 · Analytics
- added Cloudflare Jul 2025 · CDN
- added HTTP/3 Jul 2025 · Miscellaneous
- added jQuery Jul 2025 · JavaScript libraries
- added jsDelivr Jul 2025 · CDN
- added reCAPTCHA Jul 2025 · Security
- added Webflow Jul 2025 · Page builders
- added Rubicon Project Jun 2025 · Advertising
- added Tapad Jun 2025 · Advertising
- added Adobe Audience Manager May 2025 · Segmentation
- added TikTok Pixel May 2025 · Analytics
- dropped Emotion Feb 2025 · Development
- dropped Preact Feb 2025 · JavaScript libraries
- added Vercel Speed Insights Jan 2025 · Analytics
- added VWO Jan 2025 · Analytics
2024 6 added · 13 dropped
- added Emotion Dec 2024 · Development
- added Preact Dec 2024 · JavaScript libraries
- dropped Emotion Nov 2024 · JavaScript frameworks
- dropped Preact Nov 2024 · JavaScript libraries
- dropped TikTok Pixel Oct 2024 · Analytics
- dropped jQuery Sep 2024 · JavaScript libraries
- dropped jQuery CDN Sep 2024 · CDN
- dropped Taboola Sep 2024 · Advertising
- added Emotion Aug 2024 · JavaScript frameworks
- added Preact Aug 2024 · JavaScript libraries
- dropped Adobe Audience Manager Jul 2024 · Segmentation
- dropped Nextdoor Ads May 2024 · Advertising
- dropped AppNexus Apr 2024 · Advertising
- dropped OpenX Apr 2024 · Advertising
- added Priority Hints Apr 2024 · Performance
- dropped Rubicon Project Apr 2024 · Advertising
- dropped Tapad Apr 2024 · Advertising
- dropped Verizon Media Apr 2024 · Advertising
- added OpenX Feb 2024 · Advertising
2023 35 added · 5 dropped · 1 switched
- dropped Google Optimize Dec 2023 · A/B Testing
- dropped OpenX Dec 2023 · Advertising
- added OpenX Oct 2023 · Advertising
- added Swiper Oct 2023 · JavaScript libraries
- added Microsoft 365 Sep 2023 · Webmail
- added Adobe Audience Manager Aug 2023 · Segmentation
- dropped MySQL Jul 2023 · Databases
- dropped WordPress Jul 2023 · CMS
- dropped Yoast SEO Jul 2023 · SEO
- added Rubicon Project Jun 2023 · Advertising
- added AcuityAds May 2023 · Advertising
- added AppNexus May 2023 · Advertising
- added core-js May 2023 · JavaScript libraries
- added Datadog May 2023 · Analytics
- added Facebook Pixel May 2023 · Analytics
- added GoDaddy May 2023 · Hosting
- added Google Analytics May 2023 · Analytics
- added Google Optimize May 2023 · A/B Testing
- added Google Tag Manager May 2023 · Tag managers
- added Hotjar May 2023 · Analytics
- added HSTS May 2023 · Security
- added jQuery May 2023 · JavaScript libraries
- added jQuery CDN May 2023 · CDN
- added Microsoft Advertising May 2023 · Advertising
- added MySQL May 2023 · Databases
- added Nextdoor Ads May 2023 · Advertising
- added Next.js May 2023 · JavaScript frameworks
- switched PHP Node.js May 2023 · Programming languages
- added Open Graph May 2023 · Miscellaneous
- added PHP May 2023 · Programming languages
- added React May 2023 · JavaScript frameworks
- added Taboola May 2023 · Advertising
- added Tapad May 2023 · Advertising
- added TikTok Pixel May 2023 · Analytics
- added Vercel May 2023 · PaaS
- added Verizon Media May 2023 · Advertising
- added Webpack May 2023 · Miscellaneous
- added WordPress May 2023 · CMS
- added Yoast SEO May 2023 · SEO
- added YouTube May 2023 · Video players
- added YouTube Mar 2023 · Video players
2022 3 added
- added HSTS Sep 2022 · Security
- added Nextdoor Ads Sep 2022 · Advertising
- added Open Graph Sep 2022 · Miscellaneous