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USWDS vs web-vitals

Based on 45 and 151 real audits

View USWDS details | View web-vitals details
MetricUSWDSweb-vitalsWinner
Performance4336USWDS
Accessibility9589USWDS
Best Practices8984USWDS
SEO9190USWDS
Security6665USWDS
TTFB540ms415msweb-vitals
Composite7472USWDS
Performance
USWDS
43
web-vitals
36
Accessibility
USWDS
95
web-vitals
89
Security
USWDS
66
web-vitals
65
SEO
USWDS
91
web-vitals
90
Composite
USWDS
74
web-vitals
72

USWDS outperforms web-vitals in 6 of 7 categories, with a stronger composite score (74 vs 72). web-vitals leads in TTFB.

When to choose USWDS

Choose USWDS when your primary concern is performance and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose web-vitals

Choose web-vitals 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 45 audited USWDS sites and 151 audited web-vitals 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, USWDS or web-vitals?
Based on real BeaverCheck audits, USWDS sites score higher on Lighthouse performance (43 vs 36 on average).
Which has better security, USWDS or web-vitals?
USWDS sites score higher on security analysis (66 vs 65 on average).
Which has better accessibility, USWDS or web-vitals?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor USWDS (95 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, USWDS or web-vitals?
USWDS sites score higher on Lighthouse SEO signals (91 vs 90 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), USWDS or web-vitals?
web-vitals sites show lower Time to First Byte (415 ms vs 540 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 USWDS or web-vitals for my website?
Both platforms have trade-offs. USWDS scores higher on overall composite score while USWDS 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.
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