What powers 
ostrov-inspirace.cz?
Last seen Sep 2026 · 26 technologies across 14 categories
Analytics
Google Analytics
since Jun 2020
Authentication
Facebook Login
since Jun 2021
CDN
Google Hosted Libraries
since Feb 2022
CMS
WordPress
since Jun 2020
Databases
MySQL
since Jun 2020
Font scripts
Google Font API
since Jun 2020
Twitter Emoji (Twemoji)
since Jun 2020
JavaScript libraries
Lightbox
since Jun 2020
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Performance
Priority Hints
since Sep 2023
Programming languages
PHP
since Jun 2020
Security
Cloudflare Turnstile
since Jul 2025
Really Simple SSL & Security
since Apr 2024
Web servers
Nginx
since Dec 2020
Widgets
AddToAny
since Jun 2020
FlexSlider
since Jun 2020
WordPress plugins
WP Fastest Cache
since Jul 2025
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.41 / 10 · ranked #999,682 of all domains
52 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 1.0 MB · 84 requests
- WordPress theme: perfecto · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on MASTER-AS Czech Republic www.master.cz (83.167.244.201, IPv6)
- DNS: svethostingu.cz
- Email: svethostingu.cz
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 24,275,660, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Jan 2026