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ons.gov.uk

https://ons.gov.uk

C76
Performance 69Accessibility 100SEO 91Best Practices 77

9 technologies detected · Last audited Apr 21, 2026

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Technology stack

Analytics

Google Tag Manager

Cdn

Cloudflare Nginx

Frontend

Apple Google Search Console Highcharts Microsoft Moment.js jQuery

Frequently asked questions about ons.gov.uk

What technology does ons.gov.uk use?

ons.gov.uk is built with Apple, Google Search Console, Highcharts, Microsoft, and Microsoft 365.

Is ons.gov.uk fast?

Somewhat — ons.gov.uk scores 69/100 on Lighthouse mobile performance, below the median audited site.

Is ons.gov.uk accessible?

Yes — ons.gov.uk scores 100/100 on Lighthouse accessibility, meeting most WCAG-aligned automated checks.

What CMS does ons.gov.uk use?

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

Where is ons.gov.uk hosted?

ons.gov.uk is served through Cloudflare.

Does ons.gov.uk use HTTPS?

Yes — ons.gov.uk serves traffic over HTTPS.

1 audits

Apr 21, 2026 20:45 UTC Latest

/

Worker: worker-madrid-spain-04

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Scores

Performance 69Accessibility 100Best Practices 77SEO 91PWA 0

Timing

LCP: 5.51 sFirst Contentful Paint: 2.78 sTTFB: 126 msTotal Time: 127 msCumulative Layout Shift: 0.000

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