What powers zeromski3lo.edu.pl?
Last seen Sep 2026 · 27 technologies across 15 categories
Advertising
Google AdSense
since Sep 2025
Blogs
Blogger
since Sep 2025
CDN
jsDelivr
since Feb 2026
CMS
WordPress
since Feb 2026
Databases
MySQL
since Feb 2026
Font scripts
Google Font API
since Feb 2026
Twitter Emoji (Twemoji)
since Feb 2026
JavaScript libraries
Clipboard.js
since Sep 2025
Swiper
since Feb 2026
Miscellaneous
Open Graph
since Sep 2025
RSS
since Sep 2025
PaaS
OVHcloud
since Aug 2022
Page builders
WordPress Block Editor
since Feb 2026
Performance
Priority Hints
since Feb 2026
Programming languages
Web servers
WordPress plugins
Kadence WP Blocks
since Feb 2026
WordPress themes
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 *: Blocked (was Restricted)
AI Crawlers
All crawlers blocked
Audience
- 100% phone
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.60 / 10 · ranked #5,700,787 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Polish
- CDN: Google
- Weight: 2.2 MB · 40 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Stefan Żeromski Lyceum in Bielsko-Biała
- Founded: 1950
- Industry: Blogs and publishing (declares
BlogPosting) - Country: Poland
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on OVHcloud (87.98.239.17)
- DNS: OVHcloud
- Email: no MX record returned
- Email security: SPF (soft fail), DNSSEC signed
- SSL: Google Trust Services, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 31,607,211, 5 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| new.zeromski3lo.edu.pl | 19 |
| sp22.zeromski3lo.edu.pl | 9 |
| www.zeromski3lo.edu.pl | 9 |
| zeromski3lo.edu.pl | 1 |