What powers sdh.cz?
Last seen Aug 2026 · 15 technologies across 11 categories
CMS
Databases
MySQL
since Apr 2025
Font scripts
Google Font API
since Apr 2025
Twitter Emoji (Twemoji)
since Dec 2025
JavaScript libraries
Miscellaneous
RSS
since Apr 2025
Page builders
WordPress Block Editor
since Apr 2025
Performance
Priority Hints
since Apr 2025
Programming languages
PHP
since Aug 2022
Web servers
Apache HTTP Server
since May 2024
WordPress plugins
Otter Blocks
since Apr 2025
Smart Slider 3
since Jun 2025
WordPress themes
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.24 / 10 · ranked #1,209,877 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 325 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 1.0 MB · 45 requests
- WordPress theme: neve · all themes
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on FASTER-AS (95.129.102.68)
- DNS: forpsi.cz
- Email: bk.cz
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- Common Crawl link graph: rank 12,860,903, 14 hosts
DNS records as swept Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Font Awesome Mar 2026
- detected jQuery Mar 2026
- detected jQuery Migrate Mar 2026
- detected Twitter Emoji (Twemoji) Dec 2025