What powers pgr21.com?
Last seen Jun 2026 · 19 technologies across 13 categories
Advertising
Google AdSense
since Apr 2018
Analytics
Cloudflare Browser Insights
since Nov 2025
CDN
cdnjs
since Apr 2022
Cloudflare
since May 2022
Cookie compliance
Funding Choices
since Sep 2024
Font scripts
JavaScript libraries
Closure Library
since Sep 2024
Miscellaneous
HTTP/3
since Aug 2024
Open Graph
since Sep 2022
Programming languages
Security
reCAPTCHA
since Apr 2022
Tag managers
Google Tag Manager
since Feb 2022
UI frameworks
Bootstrap
since Jun 2018
Web servers
Webmail
Apple iCloud Mail
since Jan 2023
Audience
- 52% phone
- 46% desktop
- 1% tablet
South Korea
United States
Japan
Canada
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.45 / 10 · ranked #2,580,804 of all domains
26 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 1.3 MB · 61 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| cdn.pgr21.com | 18 |
| pgr21.com | 17 |
| www.pgr21.com | 17 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Browser Insights Nov 2025