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  4. Royal Opera House
Arts, culture & eventswww.rbo.org.uk

Royal Opera House — website check

Opera house and major performing arts venue in Covent Garden, central London (3rd theatre on the site, opened 1858), founded 1732. Royal Opera House’s website (www.rbo.org.uk) runs on Prismic. It is delivered through Akamai. DMARC is published but only monitors — spoofed mail is not blocked.

42
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
20
Speed & delivery
38
Email & domain
45
SEO & markup
Official siteChecked 22 Oct 2026

About the brand

Founded1732
CountryUnited Kingdom
Official websitewww.rbo.org.uk

Facts: Wikidata (CC0).

Built with

CMSPrismic
AnalyticsUniversal Analytics (legacy)
Cookie consent (CMP)OneTrust
Tag managersGoogle Tag Manager
CDNAkamai
Web fontsAdobe FontsGoogle Fonts

Hosting & delivery

Network (AS)Amazon Web Services
HTTP versionHTTP/2
TLSTLS 1.3
CertificateLet's Encrypt · valid until 2026-11-08
First response5,838 ms
Homepage weight379 KB
IPv6no

Email & domain

Mail providerMicrosoft 365
SPFyes
DMARC policyp=none
BIMIno
DNSSECno
CAAno
Verified servicesApple (domain verification), Atlassian Cloud, DocuSign, GlobalSign, Google Search Console, Microsoft 365

SEO & social

Title22 characters
Meta description48 characters
Canonicalno
Structured datano
Language versions0
Open Graphno
Social profiles linkedFacebook, 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

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Hammersmith Apollo www.eventimapollo.com — 89806382 79
Legoland Windsor www.legoland.co.uk Umbraco 89407591 79
London Coliseum londoncoliseum.org WordPress 100606382 79
Madame Tussauds www.madametussauds.com Umbraco 89806382 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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