Based on 137 and 1 real audits
| Metric | Masonry | ProgressBar.js | Winner |
|---|---|---|---|
| Performance | 45 | 28 | Masonry |
| Accessibility | 84 | 93 | ProgressBar.js |
| Best Practices | 88 | 96 | ProgressBar.js |
| SEO | 90 | 92 | ProgressBar.js |
| Security | 68 | 80 | ProgressBar.js |
| TTFB | 587ms | 297ms | ProgressBar.js |
| Composite | 75 | 82 | ProgressBar.js |
ProgressBar.js outperforms Masonry in 6 of 7 categories, with a stronger composite score (82 vs 75). Masonry leads in performance.
Choose Masonry when your primary concern is performance. Its audit data shows consistent strength in these areas across the sampled sites.
Choose ProgressBar.js when your primary concern is server response time and security. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 137 audited Masonry sites and 1 audited ProgressBar.js 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 →
Small sample: one or both technologies have fewer than 10 audited sites. Treat these numbers as directional — medians stabilize around 20–30 audits per side.
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