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React vs shadcn/ui

Based on 1017 and 50 real audits

View React details | View shadcn/ui details
MetricReactshadcn/uiWinner
Performance3847shadcn/ui
Accessibility8990shadcn/ui
Best Practices8786React
SEO9395shadcn/ui
Security6768shadcn/ui
TTFB331ms333msReact
Composite7475shadcn/ui
Performance
React
38
shadcn/ui
47
Accessibility
React
89
shadcn/ui
90
Security
React
67
shadcn/ui
68
SEO
React
93
shadcn/ui
95
Composite
React
74
shadcn/ui
75

shadcn/ui outperforms React in 5 of 7 categories, with a stronger composite score (75 vs 74). React leads in best practices, TTFB.

When to choose React

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

When to choose shadcn/ui

Choose shadcn/ui when your primary concern is performance and SEO. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 1017 audited React sites and 50 audited shadcn/ui 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, React or shadcn/ui?
Based on real BeaverCheck audits, shadcn/ui sites score higher on Lighthouse performance (47 vs 38 on average).
Which has better security, React or shadcn/ui?
shadcn/ui sites score higher on security analysis (68 vs 67 on average).
Which has better accessibility, React or shadcn/ui?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor shadcn/ui (90 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, React or shadcn/ui?
shadcn/ui sites score higher on Lighthouse SEO signals (95 vs 93 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), React or shadcn/ui?
React sites show lower Time to First Byte (331 ms vs 333 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 React or shadcn/ui for my website?
Both platforms have trade-offs. shadcn/ui scores higher on overall composite score while React 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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