What powers letters.cool?
Last seen Jun 2026 · 9 technologies across 9 categories
A/B Testing
Convert
since Jul 2021
Advertising
Google AdSense
since Jul 2019
Analytics
Google Analytics
since Jul 2019
Cookie compliance
Funding Choices
since Feb 2024
Font scripts
Google Font API
since Nov 2025
JavaScript frameworks
JavaScript libraries
Security
reCAPTCHA
since Apr 2022
Tag managers
Google Tag Manager
since Jul 2019
Audience
- 62% phone
- 36% desktop
- 2% tablet
Morocco
Algeria
France
Canada
Belgium
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.26 / 10 · ranked #9,134,335 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 150 ms |
| CLS | 0.05 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: French
- Weight: 0.1 MB · 11 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Tag Manager Apr 2026
- dropped Google Tag Manager Mar 2026
- detected Google Font API Nov 2025