What powers smtax.cz?
Last seen Sep 2026 · 33 technologies across 17 categories
Advertising
Analytics
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Tag managers
UI frameworks
Web servers
WordPress plugins
WordPress themes
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 56% desktop
- 44% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.82 / 10 · ranked #16,053,828 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 3100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 4.2 MB · 141 requests
- WordPress theme: hello-elementor (child: hello-elementor-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- SM Tax
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on WEDOS (89.221.213.43)
- Email: wedos.net
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 33,801,781
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Apache Traffic Server Sep 2026
- detected CookieYes Sep 2026
- detected core-js Sep 2026
- detected Google Analytics Sep 2026
- detected Google Tag Manager Sep 2026
- detected Google Tag Manager for WordPress Sep 2026
- detected Hello Elementor Sep 2026
- detected jQuery UI Sep 2026
- detected Microsoft Advertising Sep 2026
- detected RankMath SEO Sep 2026
- detected Twitter Emoji (Twemoji) Sep 2026
- dropped core-js Aug 2026
- dropped Isotope Aug 2026
- dropped jQuery UI Aug 2026
- dropped LazySizes Aug 2026
- dropped MediaElement.js Aug 2026
- detected HTTP/3 Jan 2026
- detected OpenResty Jan 2026