What powers gstarcad.cz?
Last seen Sep 2026 · 26 technologies across 17 categories
Analytics
Google Analytics
since Feb 2019
Smartlook
since Jul 2022
Authentication
Facebook Login
since Nov 2021
CMS
Cookie compliance
CookieYes
since Mar 2024
Databases
MySQL
since Feb 2019
Ecommerce
Cart Functionality
since Feb 2022
Campaign Monitor
since Nov 2021
JavaScript libraries
Miscellaneous
Performance
LazySizes
since Feb 2022
Programming languages
PHP
since Feb 2019
Security
Really Simple SSL & Security
since Apr 2024
Tag managers
Google Tag Manager
since Feb 2019
UI frameworks
Bootstrap
since Feb 2019
Web servers
Webmail
Microsoft 365
since Aug 2022
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 70% desktop
- 30% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.55 / 10 · ranked #2,410,126 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 2300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 1.4 MB · 132 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Websupport (37.9.175.157, IPv6)
- Email: no MX record returned, SPF names Websupport
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 29,989,572, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped GSAP Aug 2026
- dropped ScrollMagic Aug 2026
- dropped core-js Apr 2026