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Media, music & gameswww.twinkl.co.uk

Twinkl — website check

British online educational publishing house, producing teaching and educational materials, founded 2010, based in Sheffield. Twinkl’s website is www.twinkl.co.uk; we did not detect a known CMS or shop platform. It is delivered through Amazon CloudFront. DMARC is published but only monitors — spoofed mail is not blocked.

70
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
38
Email & domain
82
SEO & markup
Official siteChecked 22 Oct 2026

About the brand

Founded2010
CountryUnited Kingdom
HeadquartersSheffield
IndustrySoftware industry · Educational technology
Official websitewww.twinkl.co.uk

Facts: Wikidata (CC0).

Built with

CDNAmazon CloudFront
Live chat & supportZendesk
CSS frameworksBootstrap
JavaScript librariesjQuerywebpack
Security & bot protectionImperva (Incapsula)
CAPTCHAGoogle reCAPTCHA
Monitoring & RUMNew Relic
Programming languagesPHP

Hosting & delivery

ServerCloudFront
Network (AS)Imperva
HTTP versionHTTP/3
TLSTLS 1.3
CertificateGlobalSign nv-sa · valid until 2026-11-22
First response4,379 ms
Homepage weight793 KB
IPv6no

Email & domain

Mail providerGoogle Workspace
SPFyes
DMARC policyp=none
BIMIno
DNSSECno
CAAno
Verified servicesMeta Business (domain verification), GlobalSign, Google Search Console, Pinterest

SEO & social

Title65 characters
Meta description153 characters
Canonicalyes
Structured dataOrganization, PostalAddress, SearchAction, WebSite
Language versions75
Open Graphyes

AI crawlers & robots

AI crawlers blockedGPTBot, ClaudeBot, Claude-SearchBot, anthropic-ai, Claude-Web, Google-Extended, GoogleOther, CCBot
llms.txtno
ads.txtno
security.txtyes

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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