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Arts, culture & eventswww.nationalgallery.org.uk
National Gallery — website check
Art museum in London, England, UK, founded 1824. National Gallery’s website (www.nationalgallery.org.uk) runs on Umbraco. It is delivered through Cloudflare. Email from the domain is protected by an enforced DMARC policy.
67
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.
78
Security
60
Speed & delivery
63
Email & domain
64
SEO & markup
Official siteChecked 22 Oct 2026
About the brand
Founded1824
CountryUnited Kingdom
Part ofBoard of Trustees of the National Gallery
Official websitewww.nationalgallery.org.uk
Facts: Wikidata (CC0).
Built with
CMSUmbraco
Cookie consent (CMP)Cookiebot (Usercentrics)
Tag managersGoogle Tag Manager
CDNCloudflare
CSS frameworksBootstrap
Web fontsGoogle Fonts
VideoVimeo
Hosting & delivery
Servercloudflare
Network (AS)Cloudflare
HTTP versionHTTP/3
TLSTLS 1.3
CertificateGoogle Trust Services · valid until 2026-12-15
First response6,967 ms
Homepage weight114 KB
IPv6yes
Email & domain
Mail providerMimecast
SPFyes
DMARC policyp=reject
BIMIno
DNSSECno
CAAno
Verified servicesApple (domain verification), Google Search Console, Microsoft 365
SEO & social
Title28 characters
Meta description76 characters
Canonicalyes
Structured datano
Language versions0
Open Graphno
Social profiles linkedFacebook, Instagram, Threads, Tiktok, 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 arts, culture & events brands All
| Brand | Website | Platform | Security | Speed & delivery | Email & domain | SEO & markup | Index |
|---|---|---|---|---|---|---|---|
| Affordable Art Fair | affordableartfair.com | WordPress | 78 | 100 | 63 | 91 | 82 |
| Thorpe Park | thorpepark.com | Umbraco | 89 | 80 | 63 | 91 | 82 |
| Chester Zoo | www.chesterzoo.org | Next.js | 89 | 40 | 75 | 91 | 79 |
| Edinburgh Festival Fringe | www.edfringe.com | — | 89 | 100 | 63 | 73 | 79 |
| Hammersmith Apollo | www.eventimapollo.com | — | 89 | 80 | 63 | 82 | 79 |
| Legoland Windsor | www.legoland.co.uk | Umbraco | 89 | 40 | 75 | 91 | 79 |
| London Coliseum | londoncoliseum.org | WordPress | 100 | 60 | 63 | 82 | 79 |
| Madame Tussauds | www.madametussauds.com | Umbraco | 89 | 80 | 63 | 82 | 79 |
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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