What powers sdk.edu.pl?
Last seen Sep 2026 · 20 technologies across 11 categories
Caching
Litespeed Cache
since Aug 2022
CMS
Databases
MySQL
since Oct 2021
Editors
DreamWeaver
since Apr 2019
Font scripts
JavaScript libraries
Select2
since Aug 2024
Miscellaneous
RSS
since Dec 2022
Programming languages
PHP
since Oct 2021
Web servers
WordPress plugins
WordPress themes
Zakra
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.38 / 10 · ranked #42,083,969 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Polish (Poland)
- Weight: 0.6 MB · 49 requests
- WordPress theme: zakra · all themes
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Email: slotex.cloud
- Email security: SPF (soft fail), DMARC reject
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 38,134,066, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sdk.edu.pl | 18 |
| www.sdk.edu.pl | 2 |