What powers gist.cz?

Last seen Oct 2026 · 17 technologies across 11 categories

Analytics

Google Analytics
since Nov 2021
Smartlook
since Jul 2022

CDN

cdnjs
since Nov 2021
Cloudflare
since May 2022
jQuery CDN
since Mar 2022

Font scripts

Google Font API
since Nov 2021

JavaScript libraries

core-js v3.50.0
since Mar 2022
jQuery v1.11.1
since Nov 2021

Miscellaneous

HTTP/3
since Jul 2025
Open Graph
since Sep 2022

Programming languages

PHP
since Nov 2021

Security

reCAPTCHA
since Nov 2021

Tag managers

Google Tag Manager
since Nov 2021

Web servers

Nginx
since Nov 2021
OpenResty
since Aug 2025

Webmail

Microsoft 365
since Aug 2022

Widgets

FlexSlider
since Nov 2021

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 Oct 2026.

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

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 61% desktop
  • 39% phone
  • Czechia

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

Open Page Rank

3.29 / 10 · ranked #1,141,410 of all domains

23 referring domains · OpenPageRank

Core Web Vitals

LCP1.1 s
INP50 ms
CLS0
TTFB400 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: Czech
  • Weight: 1.5 MB · 163 requests
  • Structured data: OpenGraph

Homepage as crawled by the HTTP Archive, Oct 2026.

Organisation

  • GIST
  • Founded: 1994
  • Country: Czech Republic

From Wikidata (CC0).

Infrastructure

  • Hosted on Websupport (37.9.175.213, IPv6)
  • DNS: websupport.cz
  • Email: Microsoft 365
  • Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
  • SSL: Let's Encrypt, RSA 4096, expires Jan 2027
  • Common Crawl link graph: rank 15,244,679

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

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