What powers kolor.cz?

Last seen Oct 2026 · 31 technologies across 17 categories

Analytics

Google Analytics
since May 2021
Snowplow Analytics
since Feb 2023

Authentication

Facebook Login
since Mar 2022

CDN

Bunny
since May 2026
Cloudflare
since Jul 2024
Google Hosted Libraries
since Mar 2022

Ecommerce

Cart Functionality
since Jul 2021
Shoptet
since Mar 2022

Email

Amazon SES
since Aug 2022

Font scripts

Bunny Fonts
since May 2026
Google Font API
since May 2021

JavaScript frameworks

React
since Mar 2023
React Router v7.18.3
since Oct 2026

JavaScript libraries

core-js v3.50.0
since Sep 2021
jQuery v1.11.3
since May 2021
jQuery UI v@VERSION
since Mar 2022
libphonenumber v1.12.41
since May 2026
Swiper
since Sep 2022

Marketing automation

HighLevel
since May 2026

Miscellaneous

Gravatar
since Mar 2022
HTTP/3
since May 2026
Open Graph
since Sep 2022

PaaS

Amazon Web Services
since Aug 2022

Performance

Priority Hints
since Apr 2025

Programming languages

PHP
since May 2021

Security

Cloudflare Bot Management
since May 2025
HSTS
since Oct 2026

UI frameworks

Bootstrap v3.3.5
since Mar 2022

Web frameworks

Ionic
since May 2026

Web servers

Nginx
since Mar 2022
OpenResty
since May 2026

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.

  • Oct 2026 llms.txt appeared

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Standards: llms.txt

Full breakdown

Audience

  • 88% phone
  • 10% desktop
  • 2% tablet
  • Czechia

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

Open Page Rank

1.31 / 10 · ranked #8,534,117 of all domains

3 referring domains · OpenPageRank

Core Web Vitals

LCP1.7 s
INP100 ms
CLS0
TTFB500 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: Czech
  • Weight: 1.8 MB · 72 requests
  • Structured data: OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Oct 2026.

Organisation

  • Kolor

From the homepage's own structured data (Oct 2026).

Infrastructure

  • Hosted on Hostinger (187.124.190.202)
  • DNS: wedos.com
  • Email: wedos.com
  • Email security: no SPF record, DMARC monitor only
  • SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
  • Common Crawl link graph: rank 41,585,941
  • Verified with: Google

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

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