What powers who-called.us?
Last seen Aug 2026 · 13 technologies across 10 categories
Advertising
Google AdSense
since Feb 2020
Analytics
Google Analytics
since Feb 2020
CDN
Cloudflare
since Feb 2020
Cookie compliance
Funding Choices
since Dec 2022
Font scripts
Google Font API
since Dec 2023
JavaScript libraries
Miscellaneous
HTTP/3
since May 2023
Open Graph
since Nov 2025
Performance
Cloudflare Zaraz
since Dec 2023
Security
Tag managers
Google Tag Manager
since Feb 2020
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 61% phone
- 39% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.42 / 10 · ranked #7,279,550 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 2400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 2.4 MB · 236 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
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Recent changes
- detected Cloudflare Jul 2026
- detected Cloudflare Bot Management Jul 2026
- detected Cloudflare Zaraz Jul 2026
- detected Funding Choices Jul 2026
- detected Google AdSense Jul 2026
- detected Google Analytics Jul 2026
- detected Google Font API Jul 2026
- detected Google Tag Manager Jul 2026
- detected HSTS Jul 2026
- detected HTTP/3 Jul 2026
- detected jQuery Jul 2026
- detected Open Graph Jul 2026
- detected reCAPTCHA Jul 2026
- dropped AddThis May 2026
- dropped Instant.Page May 2026
- detected Google Font API Nov 2025
- detected Open Graph Nov 2025
- dropped Snowplow Analytics Nov 2025
- dropped Google Font API Oct 2025