What powers calc.by?
Last seen Jun 2026 · 31 technologies across 17 categories
Advertising
ADFOX
since May 2022
DoubleClick for Publishers (DFP)
since Apr 2022
Google AdSense
since Apr 2018
Google Publisher Tag
since Apr 2022
Prebid
since Apr 2022
Twitter Ads
since Jul 2021
Analytics
Google Analytics
since Jun 2018
Liveinternet
since Apr 2018
VK Pixel
since Nov 2021
Yandex.Metrika
since Jun 2018
CDN
Cloudflare
since Oct 2022
Google Hosted Libraries
since Feb 2022
CMS
Joomla
since Apr 2018
Cookie compliance
clickio
since May 2022
Font scripts
Font Awesome
since Apr 2018
Hosting
REG.RU
since May 2023
JavaScript frameworks
React
since Jun 2018
JavaScript libraries
Preact
since Jun 2023
web-vitals
since Apr 2022
Miscellaneous
Programming languages
PHP
since Jun 2018
Security
reCAPTCHA
since Oct 2018
Segmentation
Adobe Audience Manager
since May 2022
Tag managers
Google Tag Manager
since Sep 2021
UI frameworks
Bootstrap
since Apr 2018
Web servers
Nginx
since Apr 2018
Widgets
Twitter
since Jun 2018
Audience
- 82% phone
- 18% desktop
Russia
Belarus
Germany
United Kingdom
France
Netherlands
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.84 / 10 · ranked #1,888,724 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Russian (Russia)
- Weight: 2.0 MB · 215 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.calc.by | 29 |
| calc.by | 19 |
Full technology history →
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Recent changes
- dropped DDoS-Guard Mar 2026
- dropped Funding Choices Dec 2025
- detected Funding Choices Oct 2025