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Arts, culture & eventstrh.co.uk
Theatre Royal Haymarket — website check
West-End theatre in London, England, UK, founded 1821. Theatre Royal Haymarket’s website (trh.co.uk) runs on WordPress. It is delivered through cdnjs. Email from the domain is protected by an enforced DMARC policy.
64
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.
56
Security
60
Speed & delivery
63
Email & domain
73
SEO & markup
Official siteChecked 23 Oct 2026
Built with
Tag managersGoogle Tag Manager
Website buildersGutenberg blocks
CSS frameworksBootstrap
Security & bot protectionCloudflare Bot Management
Web fontsGoogle Fonts
MapsGoogle Maps
Hosting & delivery
Servercloudflare
Network (AS)Cloudflare
HTTP versionHTTP/3
TLSTLS 1.3
CertificateGoogle Trust Services · valid until 2026-11-23
First response3,085 ms
Homepage weight82 KB
IPv6yes
Email & domain
Mail providerOther
SPFyes
DMARC policyp=quarantine
BIMIno
DNSSECno
CAAno
Verified servicesMeta Business (domain verification), Google Search Console, Microsoft 365
SEO & social
Title52 characters
Meta description145 characters
Canonicalyes
Structured dataBreadcrumbList, ListItem, Organization, ReadAction, SearchAction, WebPage
Language versions0
Open Graphno
Social profiles linkedFacebook, Instagram, X
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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