What powers 
gigaserver.cz?
Last seen Aug 2026 · 47 technologies across 24 categories
Advertising
Analytics
Authentication
CDN
CMS
Databases
Ecommerce
Font scripts
Issue trackers
JavaScript Frameworks
JavaScript libraries
Marketing automation
Miscellaneous
Operating Systems
Payment processors
Performance
Programming languages
Security
Tag Managers
UI frameworks
Web server extensions
Web Servers
Widgets
WordPress plugins
AI Crawlers
Restricts 10 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- CCBot Restricted
- ClaudeBot Restricted
- Google-Extended Restricted
- GPTBot Restricted
Search and AI assistants
- Claude-SearchBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- Perplexity-User Restricted
The other 23 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
- Sep 2026 *: Restricted (was Blocked)
- Sep 2026 gptbot added to robots.txt
- Sep 2026 oai-searchbot added to robots.txt
- Sep 2026 claude-searchbot added to robots.txt
- Sep 2026 ccbot added to robots.txt
- Sep 2026 chatgpt-user added to robots.txt
AI Crawlers
10 of 33 AI crawlers restricted
Standards: llms.txt, llms-full.txt
Audience
- 76% desktop
- 24% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.84 / 10 · ranked #262,319 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 1.8 MB · 79 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on GIGASERVER (185.66.36.58, IPv6)
- DNS: gigaserver.cz
- Email: seonet.cz
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 1,314,073, 17 hosts
- Verified with: Google, Meta Business, Yahoo
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| kb.gigaserver.cz | 23 |
| blog.gigaserver.cz | 22 |
| admin.gigaserver.cz | 16 |
| www.gigaserver.cz | 16 |
| admin1.gigaserver.cz | 8 |
| mail.gigaserver.cz | 5 |
Full technology history →
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Recent changes
- dropped HTTP/3 Aug 2026
- detected Microsoft Clarity Aug 2026
- detected PayPal Nov 2025