Media, music & gameswww.sumo-digital.com

Sumo Digital — website check

British independent game development studio based in Sheffield, United Kingdom, founded 2003, based in Sheffield. Sumo Digital’s website (www.sumo-digital.com) runs on WooCommerce. It is delivered through Cloudflare. Email from the domain is protected by an enforced DMARC policy.

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.

Security

Speed & delivery

Email & domain

SEO & markup

Official siteChecked 23 Oct 2026

About the brand

Founded2003

CountryUnited Kingdom

HeadquartersSheffield

IndustryVideo game industry

Official websitewww.sumo-digital.com

Facts: Wikidata (CC0).

Built with

E-commerce platformsWooCommerce

CMSWordPress Yoast SEO

Tag managersGoogle Tag Manager

CDNCloudflare

Website buildersDivi

JavaScript librariescore-js jQuery jQuery Migrate

Hosting platformsWP Engine

Security & bot protectionCloudflare Bot Management

CAPTCHACloudflare Turnstile

Web fontsGoogle Fonts

Hosting & delivery

Servercloudflare

Network (AS)Cloudflare

HTTP versionHTTP/3

TLSTLS 1.3

CertificateGoogle Trust Services · valid until 2026-12-16

First response2,272 ms

Homepage weight173 KB

IPv6no

Email & domain

Mail providerMicrosoft 365

SPFyes

DMARC policyp=quarantine

BIMIno

DNSSECno

CAAno

Verified servicesAnthropic, Apple (domain verification), Atlassian Cloud, Canva, DocuSign, GitLab, Google Search Console, Miro

SEO & social

Title49 characters

Meta description138 characters

Canonicalyes

Structured dataBreadcrumbList, ListItem, ReadAction, SearchAction, WebPage, WebSite

Language versions0

Open Graphno

Social profiles linkedLinkedin

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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