What powers piano.cz?
Last seen Sep 2026 · 25 technologies across 16 categories
Advertising
Analytics
Authentication
CMS
Cookie compliance
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Static site generator
Tag managers
Web servers
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. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
- Oct 2026 applebot removed from robots.txt
- Oct 2026 claudebot removed from robots.txt
- Oct 2026 gptbot removed from robots.txt
- Oct 2026 perplexitybot removed from robots.txt
- Sep 2026 llms.txt appeared
- Sep 2026 llms-full.txt appeared
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
- 100% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.99 / 10 · ranked #3,615,851 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 1.3 MB · 43 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Piano Solutions
- Profiles: LinkedIn
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on IGNUM-AS Czech Republic (62.109.150.130)
- DNS: aswsyst.cz
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 18,547,940, 3 hosts
- Verified with: Apple Business, Atlassian, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| piano.cz | 14 |
| odoo.piano.cz | 12 |
Full technology history →
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Recent changes
- dropped Elementor Sep 2026
- dropped Hello Elementor Sep 2026
- detected Highlight.js Sep 2026
- dropped jQuery Migrate Sep 2026
- dropped jQuery UI Sep 2026
- dropped Litespeed Cache Sep 2026
- dropped MySQL Sep 2026
- dropped reCAPTCHA Sep 2026
- detected Reveal.js Sep 2026
- dropped RSS Sep 2026
- dropped Swiper Sep 2026
- dropped Twitter Emoji (Twemoji) Sep 2026
- dropped WordPress Sep 2026
- dropped Yoast SEO Sep 2026
- detected HTTP/3 Apr 2026