Based on 2015 and 36 real audits
| Metric | Priority Hints | Stimulus | Winner |
|---|---|---|---|
| Performance | 48 | 43 | Priority Hints |
| Accessibility | 90 | 90 | Tie |
| Best Practices | 89 | 91 | Stimulus |
| SEO | 93 | 93 | Tie |
| Security | 71 | 68 | Priority Hints |
| TTFB | 391ms | 283ms | Stimulus |
| Composite | 77 | 75 | Priority Hints |
Priority Hints outperforms Stimulus in 3 of 7 categories, with a stronger composite score (77 vs 75). Stimulus leads in best practices, TTFB.
Choose Priority Hints when your primary concern is performance and security. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Stimulus when your primary concern is server response time and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2015 audited Priority Hints sites and 36 audited Stimulus 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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