What powers 4sis.ru?
Last seen May 2026 · 16 technologies across 9 categories
Analytics
Google Analytics
since Jan 2019
Yandex.Metrika
since May 2019
CDN
jsDelivr
since Jan 2026
Ecommerce
1C-Bitrix
since Dec 2020
Cart Functionality
since Aug 2020
Font scripts
Google Font API
since Dec 2020
JavaScript libraries
OWL Carousel
since May 2022
Miscellaneous
Open Graph
since Sep 2022
Popper
since May 2023
Programming languages
PHP
since Jan 2019
Security
DDoS-Guard
since Dec 2025
HSTS
since Sep 2024
UI frameworks
Bootstrap
since May 2022
Audience
- 71% phone
- 24% desktop
- 5% tablet
Russia
Indonesia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.88 / 10 · ranked #3,911,683 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.9 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 2200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Russian
- Weight: 1.3 MB · 115 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Font Awesome Feb 2026
- dropped Moment.js Feb 2026
- detected jsDelivr Jan 2026
- dropped Nginx Jan 2026
- detected DDoS-Guard Dec 2025
- dropped Google Tag Manager Sep 2025
- dropped Google PageSpeed Aug 2025