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Energy, telecoms & utilitieswww.libertyglobal.com

Liberty Global — website check

International telecommunications and television company, founded 2005, based in London. Liberty Global’s website (www.libertyglobal.com) runs on WordPress. Email from the domain is protected by an enforced DMARC policy.

Logo: Liberty Global · Public domain · Wikimedia Commons
64
Brand Web Indexout of 100

Share of 26 technical checks the site passes: security, speed, email and SEO. A measurement of the website — not a popularity ranking.

56
Security
40
Speed & delivery
75
Email & domain
73
SEO & markup
Official siteChecked 23 Oct 2026

About the brand

Founded2005
CountryUnited Kingdom
HeadquartersLondon
Official websitewww.libertyglobal.com
In our catalogue from Liberty GlobalVirgin Media O2

Facts: Wikidata (CC0).

Built with

CMSWordPressYoast SEO
Cookie consent (CMP)OneTrust
Tag managersGoogle Tag Manager
CSS frameworksBootstrap
JavaScript librariescore-jsjQueryModernizrSlick
Web serversnginx
CAPTCHAGoogle reCAPTCHA
Accessibility overlaysaccessiBe

Hosting & delivery

Servernginx
Network (AS)Amazon Web Services
HTTP versionHTTP/3
TLSTLS 1.3
CertificateGlobalSign nv-sa · valid until 2027-03-27
First response2,764 ms
Homepage weight83 KB
IPv6no

Email & domain

Mail providerMicrosoft 365
SPFyes
DMARC policyp=quarantine
BIMIno
DNSSECno
CAAyes
Verified servicesAdobe (Admin Console), Anthropic, Apple (domain verification), Atlassian Cloud, Brevo, Cisco Webex, DocuSign, GlobalSign

SEO & social

Title21 characters
Meta description145 characters
Canonicalyes
Structured dataBreadcrumbList, ListItem, ReadAction, SearchAction, WebPage, WebSite
Language versions0
Open Graphno
Social profiles linkedFacebook, Instagram, Linkedin, X, Youtube

AI crawlers & robots

AI crawlers blockednone
llms.txtyes
ads.txtno
security.txtno

Checklist

Security

  • HTTPS by default
  • HSTS header
  • TLS 1.3
  • Content-Security-Policy
  • X-Content-Type-Options
  • Referrer-Policy

Speed & delivery

  • HTTP/3
  • IPv6
  • First response under 1.5 s
  • Homepage under 1.5 MB

Email & domain

  • SPF record
  • DMARC record
  • DMARC enforced (quarantine / reject)
  • BIMI logo record
  • DNSSEC
  • CAA record

SEO & markup

  • Title tag 10–70 characters
  • Meta description
  • Canonical link
  • Exactly one H1
  • Structured data (JSON-LD)
  • Open Graph title and image
  • All images have alt text
  • XML sitemap
  • robots.txt
  • security.txt

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Data from our own crawler: homepage, DNS, TLS and robots.txt of each brand’s official website. coolbrands.uk.com is an independent catalogue. It is not affiliated with Superbrands (UK) Ltd or the CoolBrands® awards programme, and does not publish their results.

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