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Business & industrysstl.co.uk
Surrey Satellite Technology — website check
Company, founded 1985, based in Guildford. Surrey Satellite Technology’s website (sstl.co.uk) runs on ASP.NET. It is delivered through cdnjs. Email from the domain is protected by an enforced DMARC policy.
48
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.
44
Security
20
Speed & delivery
88
Email & domain
36
SEO & markup
Official siteChecked 23 Oct 2026
About the brand
Founded1985
CountryUnited Kingdom
HeadquartersGuildford
IndustryAerospace industry
Part ofAirbus Defence and Space
Official websitesstl.co.uk
Facts: Wikidata (CC0).
Built with
Tag managersGoogle Tag Manager
CDNcdnjs
Web frameworksASP.NET
CSS frameworksBootstrap
Web serversMicrosoft IIS
Hosting platformsAzure App Service
Web fontsGoogle Fonts
Hosting & delivery
ServerMicrosoft-IIS/10.0
Network (AS)Microsoft Azure
HTTP versionHTTP/2
TLSTLS 1.3
CertificateDigiCert Inc · valid until 2027-04-09
First response3,951 ms
Homepage weight64 KB
IPv6no
Email & domain
Mail providerOwn mail server
SPFyes
DMARC policyp=reject
BIMIno
DNSSECyes
CAAyes
Verified servicesApple (domain verification), Cisco Webex, Google Search Console, Microsoft 365, OpenAI
SEO & social
Title72 characters
Meta descriptionno
Canonicalno
Structured datano
Language versions0
Open Graphno
Social profiles linkedInstagram, 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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