Skip to content

GOV.UK Frontend vs Varnish

Based on 13 and 441 real audits

MetricGOV.UK FrontendVarnishWinner
Performance7544GOV.UK Frontend
Accessibility9989GOV.UK Frontend
Best Practices10089GOV.UK Frontend
SEO9891GOV.UK Frontend
Security7865GOV.UK Frontend
TTFB216ms202msVarnish
Composite8474GOV.UK Frontend
Performance
GOV.UK Frontend
75
Varnish
44
Accessibility
GOV.UK Frontend
99
Varnish
89
Security
GOV.UK Frontend
78
Varnish
65
SEO
GOV.UK Frontend
98
Varnish
91
Composite
GOV.UK Frontend
84
Varnish
74

GOV.UK Frontend outperforms Varnish in 6 of 7 categories, with a stronger composite score (84 vs 74). Varnish leads in TTFB.

When to choose GOV.UK Frontend

Choose GOV.UK Frontend when your primary concern is performance and security. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose Varnish

Choose Varnish when your primary concern is server response time. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 13 audited GOV.UK Frontend sites and 441 audited Varnish sites in the BeaverCheck database. Every audit runs the same 100+ checks — Lighthouse performance, security headers, accessibility, SEO, server response time — against a real URL. No vendor input, no sponsorship, no affiliate links. Read the full methodology →

FAQ

Which is faster, GOV.UK Frontend or Varnish?
Based on real BeaverCheck audits, GOV.UK Frontend sites score higher on Lighthouse performance (75 vs 44 on average).
Which has better security, GOV.UK Frontend or Varnish?
GOV.UK Frontend sites score higher on security analysis (78 vs 65 on average).
Which has better accessibility, GOV.UK Frontend or Varnish?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor GOV.UK Frontend (99 vs 89). Both technologies can be made fully accessible with care — the difference reflects common patterns in the sampled sites, not inherent platform limits.
Which is better for SEO, GOV.UK Frontend or Varnish?
GOV.UK Frontend sites score higher on Lighthouse SEO signals (98 vs 91 on average), which cover meta tags, crawlability, mobile friendliness, and structured data. Content strategy and backlinks still matter more than platform choice for ranking.
Which has faster server response (TTFB), GOV.UK Frontend or Varnish?
Varnish sites show lower Time to First Byte (202 ms vs 216 ms on average). TTFB depends heavily on hosting and CDN setup rather than the technology itself, but the sampled sites suggest a meaningful difference in common deployment patterns.
Should I choose GOV.UK Frontend or Varnish for my website?
Both platforms have trade-offs. GOV.UK Frontend scores higher on overall composite score while GOV.UK Frontend may excel in metrics you care about most. Run a free BeaverCheck audit on a real site using each to compare the metrics relevant to your use case.

Send Feedback