What powers sudokuonline.sk?
Last seen Jun 2026 · 16 technologies across 13 categories
Advertising
Google AdSense
since Jan 2019
Twitter Ads
since Jul 2021
Analytics
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Jul 2021
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Cookie compliance
Font scripts
Google Font API
since Dec 2025
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
Security
Cloudflare Bot Management
since Jan 2024
reCAPTCHA
since Apr 2022
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Apache HTTP Server
since Jan 2019
Widgets
Twitter
since Jan 2019
Audience
- 49% phone
- 36% desktop
- 15% tablet
Slovakia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.93 / 10 · ranked #1,714,296 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 175 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Slovak
- Weight: 1.9 MB · 122 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Google Font API Dec 2025