What powers royalcrystal.cz?

Last seen Oct 2026 · 30 technologies across 16 categories

Analytics

Facebook Pixel
since Jul 2021
Google Analytics
since Jul 2020
Hotjar
since Feb 2021
Snowplow Analytics
since Nov 2022

CDN

Cloudflare
since May 2022

Ecommerce

Cart Functionality
since Dec 2020
Shoptet
since Jul 2020

Email

SparkPost
since Aug 2022

Font scripts

Font Awesome v1.01
since Jul 2020
Google Font API
since Jul 2020

JavaScript libraries

core-js v3.50.0
since Sep 2021
jQuery v3.4.1
since Jul 2020
jQuery UI v@VERSION
since Jul 2020
Slick
since Jul 2020

Miscellaneous

Open Graph
since Sep 2022
Popper
since Apr 2022
RSS
since Dec 2022

Operating systems

Debian
since Dec 2020

Programming languages

PHP
since Jul 2020

Security

Cloudflare Bot Management
since Nov 2023
HSTS
since Sep 2022

Tag managers

Google Tag Manager
since Dec 2020

UI frameworks

Bootstrap v4.3.1
since Jul 2020

Web frameworks

Nette Framework
since Dec 2020

Web servers

Apache HTTP Server v2.4.67
since Dec 2020
Nginx
since Jul 2020

Webmail

Apple iCloud Mail
since Jan 2025
Microsoft 365
since Aug 2022

Widgets

Facebook
since Jul 2020

AI Crawlers

robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.

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

See who blocks each AI crawler across the web

AI Crawlers

Policy unknown

Full breakdown

Audience

  • 82% phone
  • 12% desktop
  • 7% tablet
  • Czechia

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

Open Page Rank

1.64 / 10 · ranked #5,367,884 of all domains

4 referring domains · OpenPageRank

Core Web Vitals

LCP1.8 s
INP125 ms
CLS0
TTFB800 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: Czech
  • Weight: 2.7 MB · 57 requests
  • Structured data: Microdata, OpenGraph

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Hosted on Linode (Akamai) (139.162.175.8)
  • DNS: forpsi.cz
  • Email: Microsoft 365
  • Email security: SPF (hard fail), DMARC quarantine
  • Common Crawl link graph: rank 31,109,673, 3 hosts
  • Verified with: Apple Business, Google, Meta Business

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

Subdomains

HostTechs
www.royalcrystal.cz 23
eshop.royalcrystal.cz 12

Full technology history →
Report an incorrect detection

Recent changes

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