What powers 
wia.cz?
Last seen Aug 2026 · 60 technologies across 28 categories
Analytics
Authentication
CDN
CMS
Cookie compliance
Databases
Ecommerce
Font scripts
Issue trackers
JavaScript frameworks
JavaScript libraries
Live chat
Maps
Miscellaneous
Operating systems
PaaS
Page builders
Programming languages
Security
SEO
Tag managers
UI frameworks
Web frameworks
Web server extensions
Web servers
Webmail
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 *: Allowed (was Blocked)
- Aug 2026 *: Blocked (was Allowed)
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 57% phone
- 43% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.66 / 10 · ranked #783,424 of all domains
34 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 2.2 MB · 84 requests
- WordPress theme: wia2026 · all themes
- 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 WIA-AS (80.250.17.17, IPv6)
- DNS: wia.cz
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed, CAA, MTA-STS
- SSL: DigiCert, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 135,169, 21 hosts
- Verified with: Apple Business, Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| wia.cz | 22 |
| prace.wia.cz | 19 |
| dsl.wia.cz | 18 |
| tv.wia.cz | 16 |
| 5g.wia.cz | 14 |
| www.wia.cz | 14 |
| airmax.wia.cz | 13 |
| internet.wia.cz | 13 |
| optika.wia.cz | 12 |
| circularo.wia.cz | 10 |
| my.wia.cz | 10 |
| fiber.wia.cz | 9 |
| acct.wia.cz | 5 |
Full technology history →
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Recent changes
- dropped Leadfeeder Jul 2026
- dropped Autoptimize Nov 2025
- dropped cdnjs Nov 2025
- dropped Cloudflare Nov 2025
- dropped jQuery CDN Nov 2025
- dropped Lodash Nov 2025
- detected Microsoft Clarity Nov 2025
- dropped Polylang Nov 2025
- dropped Popper Nov 2025
- dropped Really Simple SSL & Security Nov 2025
- detected AOS Oct 2025
- detected CivicTheme Oct 2025
- detected GTranslate Oct 2025
- detected Oxygen Oct 2025