What powers jems.pl?
Last seen Aug 2026 · 6 technologies across 6 categories
Analytics
JavaScript frameworks
JavaScript libraries
Operating systems
Web servers
Webmail
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 67% desktop
- 33% phone
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.38 / 10 · ranked #1,034,447 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0.65 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Polish
- Weight: 1.5 MB · 31 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- JEMS Architekci
- Founded: 1988
- Country: Poland
From Wikidata (CC0).
Infrastructure
- Hosted on AS9141 P4 Play UPC PL network (178.73.35.2)
- DNS: pcs.com.pl
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 1,096,003, 2 hosts
- Verified with: Microsoft 365
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
- detected Microsoft 365 Nov 2025