| Metric | FullStory | React | Winner |
|---|---|---|---|
| Performance | 30 | 44 | React |
| Accessibility | 91 | 90 | FullStory |
| Best Practices | 86 | 89 | React |
| SEO | 93 | 93 | Tie |
| Security | 65 | 70 | React |
| TTFB | 389ms | 438ms | FullStory |
| Composite | 72 | 76 | React |
React outperforms FullStory in 4 of 7 categories, with a stronger composite score (76 vs 72). FullStory leads in accessibility, TTFB.
Choose FullStory when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Choose React when your primary concern is performance and security. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 15 audited FullStory sites and 1285 audited React 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 →
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