What powers it-secondhand.cz?
Last seen Aug 2026 · 15 technologies across 9 categories
Analytics
Databases
Ecommerce
Font scripts
JavaScript libraries
Live chat
Miscellaneous
Programming languages
Web servers
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
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.74 / 10 · ranked #18,262,837 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 175 ms |
| CLS | 0.2 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech (Czechia)
- Weight: 5.2 MB · 80 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- IT-SECONDHAND.CZ
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on SUPERNETWORK _ (37.235.108.119, IPv6)
- DNS: vas-hosting.com
- Email: vas-server.cz
- Email security: SPF (neutral), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 72,810,703, 2 hosts
- Verified with: Meta Business
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped HTTP/3 Jun 2026
- dropped Apache HTTP Server Apr 2026
- detected HTTP/3 Apr 2026
- detected Nginx Mar 2026
- dropped Google Customer Reviews Oct 2025