What powers lehkahlava.cz?
Last seen Aug 2026 · 20 technologies across 12 categories
CMS
Databases
Font scripts
JavaScript libraries
Maps
Miscellaneous
Programming languages
Security
Tag managers
Web servers
Webmail
WordPress plugins
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Allowed
- Bytespider Allowed
- CCBot Allowed
- ClaudeBot Allowed
- cohere-training-data-crawler Allowed
- Diffbot Allowed
- Google-Extended Allowed
- GPTBot Allowed
- meta-externalagent Allowed
Search and AI assistants
- Amazonbot Allowed
- Claude-SearchBot Allowed
- DuckAssistBot Allowed
- OAI-SearchBot Allowed
- PerplexityBot Allowed
- YouBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Claude-User Allowed
- Perplexity-User Allowed
The other 15 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
- ai.txt not found
- Sep 2026 meta-externalagent added to robots.txt
- Sep 2026 chatgpt-user added to robots.txt
- Sep 2026 claude-user added to robots.txt
- Sep 2026 claude-searchbot added to robots.txt
- Sep 2026 claudebot added to robots.txt
- Sep 2026 llms.txt appeared
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 82% phone
- 18% desktop
Czechia
Germany
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.62 / 10 · ranked #384,018 of all domains
68 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech (Czechia)
- Weight: 4.0 MB · 53 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Contabo (173.249.53.28)
- DNS: thinline.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 2,382,417, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted