Skip to content

english-heritage.org.uk

https://english-heritage.org.uk

D68
Performance 30Accessibility 79SEO 85Best Practices 100

30 technologies detected · Last audited Apr 22, 2026

View full audit

Technology stack

Analytics

Azure Monitor DoubleClick Floodlight Google Analytics Google Tag Manager Microsoft Advertising Microsoft Clarity

Cdn

Cloudflare

Cms

Optimizely Content Management

Ecommerce

Cart Functionality

Frontend

Azure DNS Cookie Script Facebook FancyBox Getsitecontrol HTTP/3 Issuu Masonry Microsoft Microsoft ASP.NET Modernizr Moment.js Open Graph Sentry Svelte Ventrata ZURB Foundation jQuery jQuery Migrate jQuery UI

Hosting

Azure

Frequently asked questions about english-heritage.org.uk

What technology does english-heritage.org.uk use?

english-heritage.org.uk is built with Optimizely Content Management, Cart Functionality, Azure DNS, Cookie Script, and Facebook.

Is english-heritage.org.uk fast?

No — english-heritage.org.uk scores 30/100 on Lighthouse mobile performance, indicating significant optimization opportunities.

Is english-heritage.org.uk accessible?

Mostly — english-heritage.org.uk scores 79/100 on Lighthouse accessibility, with a handful of automated issues to address.

What CMS does english-heritage.org.uk use?

english-heritage.org.uk runs on Optimizely Content Management.

Where is english-heritage.org.uk hosted?

english-heritage.org.uk is hosted on Azure.

Does english-heritage.org.uk use HTTPS?

Yes — english-heritage.org.uk serves traffic over HTTPS.

1 audits

Apr 22, 2026 21:08 UTC Latest

/

Worker: worker-madrid-spain-05

View full report →

Scores

Performance 30Accessibility 79Best Practices 100SEO 85PWA 0

Timing

LCP: 36.11 sFirst Contentful Paint: 7.25 sTTFB: 77 msTotal Time: 77 msCumulative Layout Shift: 0.000

Send Feedback