What powers klass39.ru?
Last seen Jun 2026 · 25 technologies across 14 categories
Advertising
ADFOX
since Apr 2023
Analytics
Yandex.Metrika
since Apr 2018
CMS
Databases
MySQL
since Jun 2018
Font scripts
Twitter Emoji (Twemoji)
since Jun 2018
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Sep 2023
Photo galleries
Imagely NextGEN Gallery
since Feb 2022
NextGEN Gallery
since May 2023
Programming languages
PHP
since Jun 2018
Security
reCAPTCHA
since Sep 2020
SEO
Web servers
Nginx
since Apr 2018
WordPress plugins
Audience
- 67% phone
- 33% desktop
Russia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.67 / 10 · ranked #5,140,298 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.9 s |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Russian (Russia)
- Weight: 2.8 MB · 69 requests
- WordPress theme: jnews · all themes
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Apache HTTP Server Apr 2026
- dropped Google Font API Mar 2026
- detected Nginx Mar 2026
- dropped WP Rocket Mar 2026
- detected Twitter Emoji (Twemoji) Feb 2026
- detected W3 Total Cache Feb 2026