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  4. Derwent Cumberland Pencil Company
Shops & marketplaceswww.derwentart.com

Derwent Cumberland Pencil Company — website check

British manufacturer of pencils, art materials, and other stationery, founded 1916, based in Cumberland. Derwent Cumberland Pencil Company’s website (www.derwentart.com) runs on ASP.NET. Email from the domain is protected by an enforced DMARC policy.

Logo: Unknown author · Public domain · Wikimedia Commons
61
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.

89
Security
20
Speed & delivery
63
Email & domain
55
SEO & markup
Official siteChecked 23 Oct 2026

About the brand

Founded1916
CountryUnited Kingdom
HeadquartersCumberland
IndustryArt business
Official websitewww.derwentart.com

Facts: Wikidata (CC0).

Built with

Cookie consent (CMP)OneTrust
Tag managersGoogle Tag Manager
Web frameworksASP.NET
CSS frameworksBootstrap
JavaScript librariesjQuery
Hosting platformsAzure App Service
CAPTCHAGoogle reCAPTCHA
Web fontsFont Awesome
PaymentsStripe
ReviewsTrustpilot
Monitoring & RUMNew Relic

Hosting & delivery

Network (AS)Microsoft Azure
HTTP versionHTTP/2
TLSTLS 1.3
CertificateCorporation Service Company · valid until 2026-11-29
First response3,634 ms
Homepage weight128 KB
IPv6no

Email & domain

Mail providerOther
SPFyes
DMARC policyp=reject
BIMIno
DNSSECno
CAAno
Verified servicesMeta Business (domain verification), Google Search Console

SEO & social

Title7 characters
Meta description62 characters
Canonicalyes
Structured datano
Language versions1
Open Graphyes
Social profiles linkedFacebook, Instagram, Pinterest, 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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