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Siteimprove vs USWDS

Based on 2 and 1 real audits

MetricSiteimproveUSWDSWinner
Performance4447USWDS
Accessibility9998Siteimprove
Best Practices90100USWDS
SEO96100USWDS
Security7062Siteimprove
TTFB456ms707msSiteimprove
Composite7776Siteimprove
Performance
Siteimprove
44
USWDS
47
Accessibility
Siteimprove
99
USWDS
98
Security
Siteimprove
70
USWDS
62
SEO
Siteimprove
96
USWDS
100
Composite
Siteimprove
77
USWDS
76

Siteimprove outperforms USWDS in 4 of 7 categories, with a stronger composite score (77 vs 76). USWDS leads in performance, best practices, SEO.

FAQ

Which is faster, Siteimprove or USWDS?
Based on real BeaverCheck audits, USWDS sites score higher on Lighthouse performance (47 vs 44 on average).
Which has better security, Siteimprove or USWDS?
Siteimprove sites score higher on security analysis (70 vs 62 on average).
Should I choose Siteimprove or USWDS for my website?
Both platforms have trade-offs. USWDS scores higher on performance while Siteimprove may excel in other areas. Run a free BeaverCheck audit to compare specific metrics relevant to your use case.

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