What powers staszic.edu.pl?
Last seen Aug 2026 · 16 technologies across 14 categories
Advertising
Microsoft Advertising
since Apr 2026
Analytics
Google Analytics
since Apr 2026
CMS
WordPress
since Jan 2019
Cookie compliance
CookieYes
since Apr 2026
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Miscellaneous
HTTP/3
since Sep 2022
Open Graph
since Apr 2026
Performance
LazySizes
since Apr 2026
Priority Hints
since Apr 2026
Programming languages
PHP
since Jan 2019
Security
Really Simple SSL & Security
since Apr 2026
SEO
Yoast SEO
since Apr 2026
Web servers
LiteSpeed
since Jan 2019
WordPress plugins
Autoptimize
since Apr 2026
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 83% phone
- 17% desktop
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.84 / 10 · ranked #4,150,023 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Polish (Poland)
- Weight: 1.6 MB · 37 requests
- WordPress theme: staszic · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- IV High School of Stanislaw Staszic in Sosnowiec
- Founded: 1894
- Country: Poland
From Wikidata (CC0).
Infrastructure
- Hosted on PL-BEYOND-AS (2.57.137.13)
- DNS: zenbox.pl
- Email: zenbox.pl
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P384, expires Nov 2026
- Common Crawl link graph: rank 14,208,403, 10 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Nginx May 2026
- dropped OpenResty May 2026
- detected Autoptimize Apr 2026
- dropped Bootstrap Apr 2026
- detected CookieYes Apr 2026
- dropped Facebook Login Apr 2026
- dropped Font Awesome Apr 2026
- detected Google Analytics Apr 2026
- dropped Google Maps Apr 2026
- dropped jQuery Migrate Apr 2026
- detected LazySizes Apr 2026
- dropped lit-element Apr 2026
- dropped lit-html Apr 2026
- detected Microsoft Advertising Apr 2026
- detected Open Graph Apr 2026
- detected Priority Hints Apr 2026
- detected Really Simple SSL & Security Apr 2026
- dropped RSS Apr 2026
- dropped Twitter Emoji (Twemoji) Apr 2026
- detected Yoast SEO Apr 2026
- dropped YouTube Apr 2026