What powers calck.ru?
Last seen Jun 2026 · 15 technologies across 12 categories
A/B Testing
Convert
since Apr 2022
Advertising
ADFOX
since Apr 2022
Analytics
Yandex.Metrika
since May 2021
CMS
WordPress
since May 2021
Databases
MySQL
since May 2021
Font scripts
Google Font API
since May 2021
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Performance
Priority Hints
since Nov 2025
Programming languages
Web servers
Nginx
since May 2021
WordPress plugins
WPMU DEV Smush
since Feb 2024
Audience
- 100% phone
Russia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.22 / 10 · ranked #75,774,189 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Russian (Russia)
- Weight: 1.2 MB · 75 requests
- WordPress theme: scratchpad · all themes
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Google AdSense Jun 2026
- dropped Google Analytics Jun 2026
- dropped reCAPTCHA Jun 2026
- dropped RSS Jun 2026
- dropped Adobe Audience Manager Dec 2025
- dropped Preact Dec 2025
- dropped Snowplow Analytics Dec 2025
- dropped VK Pixel Dec 2025
- detected Priority Hints Nov 2025