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Energy, telecoms & utilitieswww.subsea7.com

Subsea 7 — website check

Offshore engineering, construction, and services company based in the United Kingdom, founded 1973, based in London Borough of Sutton. Subsea 7’s website (www.subsea7.com) runs on Adobe Experience Manager. It is delivered through Akamai. Email from the domain is protected by an enforced DMARC policy.

Logo: Unknown author · 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.

100
Security
40
Speed & delivery
63
Email & domain
45
SEO & markup
Official siteChecked 23 Oct 2026

About the brand

Founded1973
CountryUnited Kingdom
HeadquartersLondon Borough of Sutton
IndustryEnergy industry · Water transport
Official websitewww.subsea7.com

Facts: Wikidata (CC0).

Built with

CMSAdobe Experience Manager
Tag managersGoogle Tag Manager
Advertising & pixelsLinkedIn Insight TagMeta Pixel
CDNAkamai
JavaScript librariesjQueryModernizr
Web fontsAdobe FontsFont Awesome

Hosting & delivery

Network (AS)Obsl As Talktalk Business Division
HTTP versionHTTP/3
TLSTLS 1.3
CertificateLet's Encrypt · valid until 2026-12-19
First response2,189 ms
Homepage weight64 KB
IPv6no

Email & domain

Mail providerProofpoint
SPFyes
DMARC policyp=reject
BIMIno
DNSSECno
CAAno
Verified servicesAdobe (Admin Console), Apple (domain verification), Amazon SES / AWS, Canva, Dropbox, Google Search Console, Microsoft 365, TeamViewer

SEO & social

Title8 characters
Meta description204 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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DHL www.dhl.com Adobe Experience Manager 100407582 79
EE ee.co.uk Adobe Experience Manager 78408891 79
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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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