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Business & industrywww.cliffordchance.com

Clifford Chance — website check

London headquartered multinational law firm, founded 1987, based in 10 Upper Bank Street. Clifford Chance’s website (www.cliffordchance.com) runs on Adobe Experience Manager. It is delivered through Amazon CloudFront. Email from the domain is protected by an enforced DMARC policy.

Logo: Clifford Chance · Public domain · Wikimedia Commons
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.

89
Security
40
Speed & delivery
88
Email & domain
64
SEO & markup
Official siteChecked 23 Oct 2026

About the brand

Founded1987
CountryUnited Kingdom
Headquarters10 Upper Bank Street
Official websitewww.cliffordchance.com

Facts: Wikidata (CC0).

Built with

CMSAdobe Experience Manager
AnalyticsUniversal Analytics (legacy)
Tag managersAdobe Experience Platform TagsGoogle Tag Manager
Advertising & pixelsLinkedIn Insight Tag
CDNAmazon CloudFront
Web serversApache HTTP Server

Hosting & delivery

ServerApache
Network (AS)Amazon Web Services
HTTP versionHTTP/3
TLSTLS 1.3
CertificateDigiCert Inc · valid until 2027-05-01
First response2,621 ms
Homepage weight189 KB
IPv6no

Email & domain

Mail providerMimecast
SPFyes
DMARC policyp=reject
BIMIyes
DNSSECyes
CAAno
Verified servicesAdobe (Admin Console), Apple (domain verification), Box, DocuSign, Figma

SEO & social

Title33 characters
Meta description130 characters
Canonicalyes
Structured datano
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

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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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