What powers undo.org?
Last seen Jun 2026 · 31 technologies across 13 categories
Advertising
AcuityAds
since May 2023
AppNexus
since May 2023
Microsoft Advertising
since Aug 2022
Nextdoor Ads
since Sep 2022
OpenX
since Oct 2023
Reddit Ads
since Aug 2025
Rubicon Project
since Jun 2023
Smart Ad Server
since Oct 2025
Tapad
since May 2023
Analytics
CDN
Cloudflare
since Jul 2025
jsDelivr
since Jul 2025
JavaScript libraries
Marketing automation
Mautic
since Jun 2026
Miscellaneous
Page builders
Webflow
since Jul 2025
Performance
Priority Hints
since Apr 2024
Security
Segmentation
Adobe Audience Manager
since Aug 2023
Tag managers
Google Tag Manager
since Aug 2022
Video players
YouTube
since Mar 2023
Webmail
Microsoft 365
since Sep 2023
Audience
- 99% phone
- 1% desktop
United States
India
Canada
Russia
Mexico
Taiwan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.74 / 10 · ranked #283,921 of all domains
130 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| INP | 275 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 3.9 MB · 159 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management Jun 2026
- detected Mautic Jun 2026
- detected OpenX Jun 2026
- dropped OpenX May 2026
- dropped GoDaddy Mar 2026
- detected OpenX Mar 2026
- detected Smart Ad Server Mar 2026
- detected AppNexus Feb 2026
- dropped Smart Ad Server Feb 2026
- dropped OpenX Nov 2025
- detected Smart Ad Server Oct 2025
- detected OpenX Sep 2025
- dropped Datadog Aug 2025
- detected Nextdoor Ads Aug 2025
- dropped Next.js Aug 2025
- dropped Node.js Aug 2025
- dropped React Aug 2025
- detected Reddit Ads Aug 2025
- dropped Vercel Aug 2025
- dropped Vercel Speed Insights Aug 2025
- dropped VWO Aug 2025