Skip to content
An independent index of 1,651 brand websites — platforms, security, email and SEO Web indexAdvertiseContact
coolbrands
Find a brand
coolbrands
Get in touch
  1. Home
  2. Brands
  3. Drinks
  4. Diageo
Drinkswww.diageo.com

Diageo — website check

Multinational alcoholic beverages company, founded 1997, based in London. Diageo’s website (www.diageo.com) runs on ASP.NET. It is delivered through cdnjs. Email from the domain is protected by an enforced DMARC policy.

Logo: Original: Wolff Olins [1] The original uploader was Gr1st at English Wikipedia . · Public domain · Wikimedia Commons
82
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
91
SEO & markup
Official siteChecked 23 Oct 2026

About the brand

Founded1997
CountryUnited Kingdom
HeadquartersLondon
IndustryBeverage industry
Official websitewww.diageo.com

Facts: Wikidata (CC0).

Built with

Cookie consent (CMP)OneTrust
Tag managersGoogle Tag Manager
CDNcdnjsCloudflarejsDelivrunpkg
Session replay & heatmapsQuantum Metric
Web frameworksASP.NETVue.js
CSS frameworksBootstrap
JavaScript librariesGSAPjQueryLodashLottieSwiper
Security & bot protectionCloudflare Bot Management
Web fontsAdobe FontsGoogle Fonts
VideoVimeoYouTube embed

Hosting & delivery

Servercloudflare
Network (AS)Amazon Web Services
HTTP versionHTTP/3
TLSTLS 1.3
CertificateCorporation Service Company · valid until 2026-11-20
First response9,409 ms
Homepage weight355 KB
IPv6no

Email & domain

Mail providerMicrosoft 365
SPFyes
DMARC policyp=reject
BIMIno
DNSSECyes
CAAno
Verified servicesAdobe (Admin Console), Apple (domain verification), Atlassian Cloud, Brevo, Canva, DocuSign, Meta Business (domain verification), Google Search Console

SEO & social

Title24 characters
Meta description140 characters
Canonicalyes
Structured dataCorporation, Organization, PostalAddress, SearchAction, WebPage, WebSite
Language versions0
Open Graphyes
Social profiles linkedFacebook, Instagram, Linkedin, 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 drinks brands All

BrandWebsitePlatformSecuritySpeed & deliveryEmail & domainSEO & markupIndex
Guinness www.guinness.com Contentful 100807582 85
Tanqueray www.tanqueray.com Contentful 100806391 85
Beavertown beavertownbrewery.co.uk Shopify 89806391 82
Dalmore distillery www.thedalmore.com Umbraco 89607582 79
Holyrood Distillery holyrooddistillery.co.uk WooCommerce 671006391 79
Innis & Gunn innisandgunn.com WordPress 100406391 79
Johnnie Walker www.johnniewalker.com Contentful 100207591 79
Mortlach Distillery www.malts.com Contentful 100806373 79

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.

Want your brand’s website benchmarked?

We compare your site with your category on security, speed, email and SEO — and fix what lags behind.

Get in touchServices