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Restaurants & cafésleon.co

LEON — website check

Fast food chain, founded 2004, based in London. LEON’s website (leon.co) runs on Sanity. It is delivered through Cloudflare. Email from the domain is protected by an enforced DMARC policy.

58
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
100
Speed & delivery
75
Email & domain
36
SEO & markup
Official siteChecked 22 Oct 2026

About the brand

Founded2004
CountryUnited Kingdom
HeadquartersLondon
IndustryGastronomy
Official websiteleon.co

Facts: Wikidata (CC0).

Built with

Web frameworksNext.jsReact
CSS frameworksBootstrap
Hosting platformsAmazon S3
Web fontsAdobe Fonts

Hosting & delivery

Servercloudflare
Network (AS)Cloudflare
HTTP versionHTTP/3
TLSTLS 1.3
CertificateGoogle Trust Services · valid until 2026-11-26
First response922 ms
Homepage weight639 KB
IPv6yes

Email & domain

Mail providerMicrosoft 365
SPFyes
DMARC policyp=reject
BIMIno
DNSSECno
CAAyes
Verified servicesAnthropic, Apple (domain verification), Google Search Console

SEO & social

Title25 characters
Meta descriptionno
Canonicalyes
Structured datano
Language versions0
Open Graphno
Social profiles linkedFacebook, Instagram, 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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