What powers narex.cz?
Last seen Oct 2026 · 17 technologies across 12 categories
Ecommerce
Font scripts
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
UI frameworks
Video players
Web frameworks
Web servers
Webmail
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.
Training crawlers
- Bytespider Blocked
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
Content Signals:
search=yes ai-train=yes ai-input=yes declared in robots.txt
- Sep 2026 Content Signals changed
- Sep 2026 bytespider added to robots.txt
AI Crawlers
1 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 56% phone
- 44% desktop
Czechia
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.56 / 10 · ranked #836,107 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 6.1 MB · 106 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Narex
- Founded: 1943
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on IGNUM-AS Webglobe, s.r.o. (130.193.9.30, IPv6)
- DNS: web4u.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 7,196,269, 3 hosts
- Verified with: OpenAI
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.narex.cz | 9 |
| partner.narex.cz | 8 |
| shop.narex.cz | 7 |
Full technology history →
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Recent changes
- detected YouTube Dec 2025