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open.ac.uk

https://open.ac.uk

C78
Performance 87Accessibility 90SEO 40Best Practices 96

5 technologies detected · Last audited Apr 22, 2026

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Technology stack

Cdn

Cloudflare

Frontend

AngularJS Cloudflare Bot Management Cloudflare Turnstile HSTS

Frequently asked questions about open.ac.uk

What technology does open.ac.uk use?

open.ac.uk is built with AngularJS, Cloudflare Bot Management, Cloudflare Turnstile, HSTS, and Cloudflare.

Is open.ac.uk fast?

Mostly — open.ac.uk scores 87/100 on Lighthouse mobile performance, above average but with room to improve.

Is open.ac.uk accessible?

Yes — open.ac.uk scores 90/100 on Lighthouse accessibility, meeting most WCAG-aligned automated checks.

What CMS does open.ac.uk use?

No CMS fingerprint was detected on open.ac.uk — it may use a static site generator or a custom application.

Where is open.ac.uk hosted?

open.ac.uk is served through Cloudflare.

Does open.ac.uk use HTTPS?

Yes — open.ac.uk serves traffic over HTTPS.

1 audits

Apr 22, 2026 00:03 UTC Latest

/

Worker: worker-madrid-spain-01

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Scores

Performance 87Accessibility 90Best Practices 96SEO 40PWA 0

Timing

LCP: 1.46 sFirst Contentful Paint: 950 msTTFB: 94 msTotal Time: 94 msCumulative Layout Shift: 0.003

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