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Energy, telecoms & utilitieswww.sse.com

SSE — website check

International energy company, founded 1998, based in Perth. SSE’s website is www.sse.com; we did not detect a known CMS or shop platform. It is delivered through Cloudflare. Email from the domain is protected by an enforced DMARC policy.

Logo: Unknown author · 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.

100
Security
40
Speed & delivery
63
Email & domain
73
SEO & markup
Official siteChecked 23 Oct 2026

About the brand

Founded1998
CountryUnited Kingdom
HeadquartersPerth
IndustryEnergy sector
Official websitewww.sse.com

Facts: Wikidata (CC0).

Built with

Tag managersGoogle Tag Manager
CDNCloudflare
Web fontsGoogle Fonts
MapsGoogle Maps

Hosting & delivery

Servercloudflare
Network (AS)Microsoft Azure
HTTP versionHTTP/3
TLSTLS 1.3
CertificateGoogle Trust Services · valid until 2027-01-01
First response3,657 ms
Homepage weight49 KB
IPv6no

Email & domain

Mail providerProofpoint
SPFyes
DMARC policyp=reject
BIMIno
DNSSECno
CAAno
Verified servicesApple (domain verification), Atlassian Cloud, Amazon SES / AWS, DocuSign, GlobalSign, Google Search Console, Microsoft 365, Miro

SEO & social

Title21 characters
Meta description220 characters
Canonicalyes
Structured datano
Language versions2
Open Graphyes
Social profiles linkedBluesky, Linkedin, 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 energy, telecoms & utilities brands All

BrandWebsitePlatformSecuritySpeed & deliveryEmail & domainSEO & markupIndex
Good Energy www.goodenergy.co.uk WordPress 898063100 85
Tesco Mobile www.tescomobile.com Adobe Commerce (Magento) 891006391 85
EDF Energy www.edfenergy.com Drupal 100607582 82
OVO Energy www.ovoenergy.com Contentful 784088100 82
Biffa www.biffa.co.uk Sitecore 100406391 79
DHL www.dhl.com Adobe Experience Manager 100407582 79
EE ee.co.uk Adobe Experience Manager 78408891 79
Plusnet www.plus.net Adobe Experience Manager 100807564 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.

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