What powers 
chargeup.cz?
Last seen Sep 2026 · 12 technologies across 8 categories
Font scripts
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
Security
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.43 / 10 · ranked #973,365 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 75 ms |
| CLS | 0.2 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 2.3 MB · 68 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- ChargeUp
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on Microsoft (51.124.137.235)
- DNS: websupport.cz
- Email: plus4u.net
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed
- SSL: DigiCert, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 13,377,133, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| app.chargeup.cz | 11 |
| chargeup.cz | 6 |
Full technology history →
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Recent changes
- dropped React Sep 2026
- dropped Google Analytics Mar 2026