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Home & designwww.dulux.co.uk
Dulux — website check
International paint manufacturer, founded 1931. Dulux’s website (www.dulux.co.uk) runs on Adobe Experience Manager. There is no DMARC record, so the domain can be spoofed in email.
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.
89
Security
40
Speed & delivery
13
Email & domain
73
SEO & markup
Official siteChecked 22 Oct 2026
About the brand
Facts: Wikidata (CC0).
Built with
Cookie consent (CMP)OneTrust
Tag managersAdobe Experience Platform Tags
A/B testingVWO
Web serversApache HTTP Server
CAPTCHAGoogle reCAPTCHA
Monitoring & RUMNew Relic
Hosting & delivery
ServerApache
Network (AS)Amazon Web Services
HTTP versionHTTP/3
TLSTLS 1.3
CertificateLet's Encrypt · valid until 2026-12-17
First response3,329 ms
Homepage weight259 KB
IPv6no
Email & domain
Mail providerMicrosoft 365
SPFyes
DMARC policyno
BIMIno
DNSSECno
CAAno
Verified servicesMeta Business (domain verification), Google Search Console, Microsoft 365
SEO & social
Title61 characters
Meta description156 characters
Canonicalyes
Structured dataSearchAction, WebSite
Language versions0
Open Graphno
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
More home & design brands All
| Brand | Website | Platform | Security | Speed & delivery | Email & domain | SEO & markup | Index |
|---|---|---|---|---|---|---|---|
| IKEA | www.ikea.com | Svelte | 78 | 60 | 100 | 100 | 88 |
| B&Q | www.diy.com | — | 89 | 40 | 88 | 91 | 82 |
| Heal's | www.heals.com | Shopify | 89 | 100 | 50 | 91 | 82 |
| OnTheMarket | www.onthemarket.com | Next.js | 78 | 80 | 75 | 91 | 82 |
| Ideal Standard | www.idealstandard.com | ASP.NET | 100 | 60 | 75 | 73 | 79 |
| Farrow & Ball | www.farrow-ball.com | Adobe Commerce (Magento) | 89 | 80 | 63 | 73 | 76 |
| Persimmon | www.persimmonhomes.com | — | 89 | 80 | 38 | 91 | 76 |
| Redrow | www.redrow.co.uk | Sitecore | 100 | 40 | 63 | 82 | 76 |
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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