What powers welldo.cz?
Last seen Oct 2026 · 37 technologies across 24 categories
Analytics
Authentication
CDN
CMS
Comment systems
Databases
Ecommerce
Font scripts
Hosting panels
JavaScript libraries
Live chat
Maps
Miscellaneous
Page builders
Performance
Programming languages
Security
Static site generator
Tag managers
UI frameworks
Video players
Web servers
Webmail
Widgets
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
Content Signals:
search=yes ai-train=no declared in robots.txt
- Oct 2026 Content Signals changed
AI Crawlers
No AI crawlers blocked
Standards: Content Signals
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.93 / 10 · ranked #1,722,749 of all domains
26 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 300 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- CDN: Cloudflare
- Weight: 0.7 MB · 23 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Welldo: showroom vířivek a saun
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.61.150, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 46,060,752, 3 hosts
- Verified with: Brevo, Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| obchod.welldo.cz | 20 |
| welldo.cz | 13 |
| www.welldo.cz | 12 |
| zkouseni-wellness.welldo.cz | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Cookie Script Oct 2026
- dropped Divi Oct 2026
- dropped Enhanced Responsive Images Oct 2026
- detected Facebook Pixel Oct 2026
- detected HSTS Oct 2026
- dropped Image Placeholders Oct 2026
- dropped jQuery Mobile Oct 2026
- dropped Modern Image Formats Oct 2026
- dropped Performance Lab Oct 2026
- dropped RankMath SEO Oct 2026
- dropped RSS Oct 2026
- dropped Site Kit Oct 2026
- dropped WP Rocket Oct 2026
- detected Astro Sep 2026
- detected Caddy Sep 2026
- dropped Cart Functionality Sep 2026
- detected OpenStreetMap Sep 2026
- detected OpenResty May 2026
- detected Cart Functionality Apr 2026
- detected Cookie Script Apr 2026
- dropped Amazon SES Feb 2026
- dropped Amazon Web Services Feb 2026
- detected Smartsupp Dec 2025