What powers online-letters.ru?
Last seen Jun 2026 · 14 technologies across 10 categories
Advertising
ADFOX
since Oct 2023
Google AdSense
since Apr 2018
Analytics
Google Analytics
since Jun 2018
Liveinternet
since Apr 2018
VK Pixel
since Nov 2021
Yandex.Metrika
since Oct 2023
CDN
Google Hosted Libraries
since Feb 2022
Font scripts
Google Font API
since Apr 2018
JavaScript libraries
Operating systems
Debian
since Apr 2018
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jun 2020
UI frameworks
Bootstrap
since Apr 2018
Web servers
Audience
- 62% phone
- 35% desktop
- 3% tablet
Russia
Germany
Netherlands
Poland
Ukraine
Finland
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.23 / 10 · ranked #3,025,443 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 325 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Russian
- Weight: 1.6 MB · 91 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| online-letters.ru | 12 |
| www.online-letters.ru | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Adobe Audience Manager Feb 2026
- detected Adobe Audience Manager Oct 2025
- dropped Adobe Audience Manager Sep 2025