What powers donotcall.gov?
Last seen Jun 2026 · 12 technologies across 8 categories
Analytics
CDN
JavaScript Libraries
Miscellaneous
PaaS
Security
Web frameworks
Webmail
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| national do not call registry | #1 | 50,200 |
| how to block spam calls | #1 | 27,500 |
| how to avoid spam calls | #1 | 27,500 |
| how to stop spam calls | #1 | 27,500 |
| do not call register | #1 | 13,800 |
| block unwanted phone calls | #1 | 4,500 |
| block unwanted calls | #1 | 4,500 |
| how to stop spam calls on iphone | #3 | 3,600 |
| do not call registry for cell phones | #1 | 2,800 |
| how to block your number | #4 | 2,400 |
| federal trade commission | #10 | 1,900 |
| prevent spam calls | #1 | 1,600 |
| ftc | #11 | 1,500 |
| block spam calls | #1 | 1,400 |
| how do i stop robocalls | #1 | 1,200 |
| how to stop robocalls | #1 | 1,200 |
| national do not call registry phone number | #1 | 1,100 |
| how do i get on the do not call list | #1 | 820 |
| how to stop spam calls on android | #3 | 790 |
| call | #7 | 770 |
| do not call list texas | #2 | 710 |
| no call list florida | #1 | 660 |
| do not call registry phone number | #2 | 580 |
| government do not call list | #1 | 580 |
| dnc registry | #1 | 580 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 75% phone
- 25% desktop
United States
Philippines
India
Germany
United Kingdom
France
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
8.28 / 10 · ranked #4,129 of all domains
3,002 referring domains · OpenPageRank
Search traffic
221,200 est. monthly organic visits (US)
12,041 keywords in Google's top 30
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Amazon CloudFront
- Weight: 1.0 MB · 40 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| donotcall.gov | 10 |
| www.donotcall.gov | 10 |
| telemarketing.donotcall.gov | 7 |
| complaints.donotcall.gov | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped F5 BigIP Jan 2026
- detected Amazon CloudFront Dec 2025
- detected Amazon S3 Dec 2025
- detected HSTS Dec 2025
- detected HTTP/3 Dec 2025
- detected Microsoft ASP.NET Dec 2025
- detected PWA Dec 2025
- detected web-vitals Dec 2025
- dropped HSTS Nov 2025
- dropped Microsoft ASP.NET Nov 2025
- dropped PWA Nov 2025
- dropped web-vitals Nov 2025
- detected F5 BigIP Oct 2025