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Arts, culture & eventswww.nationaltheatre.org.uk
National Theatre — website check
Theatre company in London, Great Britain, founded 1963. National Theatre’s website (www.nationaltheatre.org.uk) runs on WordPress. It is delivered through cdnjs. DMARC is published but only monitors — spoofed mail is not blocked.
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
40
Speed & delivery
38
Email & domain
64
SEO & markup
Official siteChecked 22 Oct 2026
About the brand
Founded1963
CountryUnited Kingdom
IndustryCreative industries
Official websitewww.nationaltheatre.org.uk
Facts: Wikidata (CC0).
Built with
CMSWordPress
Cookie consent (CMP)OneTrust
Tag managersGoogle Tag Manager
Hosting platformsHeroku
Monitoring & RUMNew Relic
Hosting & delivery
ServerHeroku
Network (AS)Amazon Web Services
HTTP versionHTTP/3
TLSTLS 1.3
CertificateAmazon · valid until 2027-04-04
First response3,028 ms
Homepage weight221 KB
IPv6no
Email & domain
Mail providerMicrosoft 365
SPFyes
DMARC policyp=none
BIMIno
DNSSECno
CAAno
Verified servicesApple (domain verification), Brevo, Meta Business (domain verification), GlobalSign, Google Search Console, Have I Been Pwned, Microsoft 365, Pinterest
SEO & social
Title44 characters
Meta description156 characters
Canonicalyes
Structured datano
Language versions0
Open Graphyes
Social profiles linkedBluesky, Facebook, Instagram, 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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