What powers spsostrov.cz?

Last seen Aug 2026 · 25 technologies across 13 categories

Authentication

Facebook Login
since Jul 2021

CDN

cdnjs
since Oct 2021
Cloudflare
since May 2022
jsDelivr
since Jul 2020

CMS

Drupal v11
since Aug 2018

Font scripts

Google Font API
since May 2024
Typekit v1.21.0
since Aug 2018

Issue trackers

Sentry
since Jan 2025

JavaScript libraries

core-js v3.40.0
since Sep 2021
FancyBox v3.5.7
since Sep 2021
jQuery v2.6.3
since Aug 2018
jQuery UI v1.12.1
since Aug 2018
Lodash v1.13.8
since Jul 2021

Miscellaneous

Open Graph
since Sep 2022
PWA
since Aug 2022

Operating systems

Debian vsqueeze
since Aug 2018
Ubuntu
since Jan 2019
Windows Server
since Aug 2018

Programming languages

PHP
since Aug 2018

UI frameworks

Bootstrap v3.4.8
since Aug 2018

Web frameworks

Microsoft ASP.NET v4.0.30319
since Aug 2018

Web Servers

Apache HTTP Server v2.4.18
since Jun 2017
IIS v10.0
since Aug 2018
Nginx
since Aug 2018

Widgets

FlexSlider
since Aug 2018

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 Sep 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found
  • Sep 2026 robots.txt appeared
  • Sep 2026 * added to robots.txt

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 82% phone
  • 18% desktop
  • Czechia

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

Open Page Rank

3.23 / 10 · ranked #1,226,028 of all domains

28 referring domains · OpenPageRank

Core Web Vitals

LCP0.9 s
INP75 ms
CLS0
TTFB300 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Czech
  • Weight: 1.6 MB · 59 requests
  • Structured data: OpenGraph

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

  • Hosted on VSHOSTING (185.64.216.231)
  • DNS: ignum.com
  • Email: spsostrov.cz
  • Email security: no SPF record, no DMARC record, DNSSEC signed
  • SSL: Let's Encrypt, RSA 2048, expires Oct 2026
  • Common Crawl link graph: rank 6,739,058, 10 hosts

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

Subdomains

HostTechs
spsostrov.cz 18
bakalari.spsostrov.cz 5
titan.spsostrov.cz 3
home.spsostrov.cz 2

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