What powers zsl.waw.pl?
Last seen Aug 2026 · 32 technologies across 16 categories
Accessibility
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
LMS
Miscellaneous
Mobile frameworks
Programming languages
UI frameworks
Video players
Web servers
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 80% phone
- 20% desktop
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.58 / 10 · ranked #827,686 of all domains
68 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Polish (Poland)
- Weight: 10.4 MB · 149 requests
- WordPress theme: hello-elementor · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Zespół Szkół Łączności w Warszawie
- Industry: Education (declares
EducationalOrganization)
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on TPNET (80.55.38.114)
- DNS: zs37.waw.pl
- Email: zs37.waw.pl
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 11,343,229, 5 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.zsl.waw.pl | 24 |
| zsl.waw.pl | 22 |
| moodle.zsl.waw.pl | 12 |