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Travel & hotelswww.heathrow.com

London Heathrow Airport — website check

Main airport serving London, England, United Kingdom. London Heathrow Airport’s website (www.heathrow.com) runs on Adobe Experience Manager. It is delivered through Azure Front Door / CDN. Email from the domain is protected by an enforced DMARC policy.

73
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.

100
Security
40
Speed & delivery
75
Email & domain
64
SEO & markup
Official siteChecked 23 Oct 2026

About the brand

CountryUnited Kingdom
Official websitewww.heathrow.com

Facts: Wikidata (CC0).

Hosting & delivery

Network (AS)Microsoft Azure
HTTP versionHTTP/3
TLSTLS 1.3
CertificateDigiCert Inc · valid until 2026-11-27
First response15,483 ms
Homepage weight1,111 KB
IPv6no

Email & domain

Mail providerMicrosoft 365
SPFyes
DMARC policyp=reject
BIMIno
DNSSECyes
CAAno
Verified servicesApple (domain verification), Cloudflare (Zero Trust / Pages), DocuSign, Meta Business (domain verification), Google Search Console, Have I Been Pwned, Microsoft 365, Miro

SEO & social

Title48 characters
Meta description132 characters
Canonicalyes
Structured dataOrganization, PostalAddress
Language versions9
Open Graphno
Social profiles linkedFacebook, Instagram, Tiktok, X, Youtube

AI crawlers & robots

AI crawlers blockednone
llms.txtno
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

More travel & hotels brands All

BrandWebsitePlatformSecuritySpeed & deliveryEmail & domainSEO & markupIndex
Eurostar www.eurostar.com Sanity 100807591 88
Channel Tunnel www.leshuttle.com ASP.NET 1004063100 82
Claridge's www.maybourne.com Next.js 1001006373 82
Butlins www.butlins.com Next.js 100606382 79
KLM www.klm.com Angular 100607573 79
London North Eastern Railway www.lner.co.uk Contentful 89407591 79
National Rail www.nationalrail.co.uk Next.js 100406391 79
Big Bus Tours www.bigbustours.com Adobe Commerce (Magento) 100606373 76

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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