What powers semily.cz?

Last seen Aug 2026 · 14 technologies across 9 categories

Analytics

Google Analytics
since Jun 2022

Font scripts

Google Font API
since Feb 2022

JavaScript frameworks

Prototype v1.6.1_rc2
since May 2019

JavaScript libraries

Choices
since Feb 2022
jQuery v3.5.1
since May 2021
Lightbox
since May 2019
script.aculo.us v1.8.2
since May 2019

Miscellaneous

Open Graph
since Sep 2022
RSS
since Dec 2022

Operating systems

Windows Server
since Jan 2019

Programming languages

PHP v5.2.10
since May 2019

Security

reCAPTCHA
since Apr 2020

Web servers

Apache HTTP Server v2.2.3
since May 2019
IIS v10.0
since Jan 2019

AI Crawlers

Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.

  • robots.txt found
  • llms.txt not checked
  • ai.txt not checked

See who blocks each AI crawler across the web

AI Crawlers

All crawlers blocked

Full breakdown

Audience

  • 76% phone
  • 24% desktop
  • Czechia

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

4.71 / 10 · ranked #308,006 of all domains

94 referring domains · OpenPageRank

Core Web Vitals

LCP1.2 s
INP75 ms
CLS0
TTFB700 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Czech
  • Weight: 2.3 MB · 67 requests
  • Structured data: OpenGraph

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • Semily
  • Country: Czech Republic

From Wikidata (CC0).

Infrastructure

  • Hosted on OPTONET-AS (78.156.158.75)
  • DNS: wedos.com
  • Email: Seznam Email
  • Email security: no SPF record, no DMARC record, DNSSEC signed
  • SSL: Let's Encrypt, RSA 2048, expires Oct 2026
  • Common Crawl link graph: rank 1,257,429, 16 hosts

DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted

Subdomains

HostTechs
www.semily.cz 7
m.semily.cz 6
www.kct.semily.cz 5
socialniportal.semily.cz 2

Full technology history →
Report an incorrect detection

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018