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Sadler's Wells Theatre — website check
Theatre in London, England, founded 1683, based in Clerkenwell. Sadler's Wells Theatre’s website (www.sadlerswells.com) runs on WordPress. It is delivered through cdnjs. Email from the domain is protected by an enforced DMARC policy.
Share of 26 technical checks the site passes: security, speed, email and SEO. A measurement of the website — not a popularity ranking.
About the brand
Facts: Wikidata (CC0).
Built with
Hosting & delivery
Email & domain
SEO & social
AI crawlers & robots
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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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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