What powers kalku.ru?
Last seen Jun 2026 · 23 technologies across 15 categories
Advertising
ADFOX
since Feb 2022
Analytics
Yandex.Metrika
since Feb 2021
CDN
CMS
WordPress
since Apr 2020
Databases
MySQL
since Apr 2020
Font scripts
Google Font API
since Apr 2020
JavaScript frameworks
BEM
since Apr 2020
JavaScript graphics
JavaScript libraries
Select2
since Jun 2020
Miscellaneous
Open Graph
since Sep 2022
Operating systems
CentOS
since Mar 2022
Programming languages
Security
Really Simple SSL & Security
since Apr 2024
Web servers
WordPress plugins
RankMath SEO
since Nov 2022
WP-Optimize
since Mar 2022
Audience
- 100% phone
Russia
Belarus
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.09 / 10 · ranked #118,893,321 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 7.7 s |
| INP | 225 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 0.6 MB · 22 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.