Modern CSS vs Legacy JS Replacer & Bundle Auditor

Detected Legacy Dependencies 5 Out of 5 packages scanned

Total JS Bundle Savings 84.2 KB Minified + gzipped eliminated

Main-Thread Savings 112 ms Layout calculation & parse time saved

Active Native Replacement CSS Grid auto-fill / CSS Masonry with zero JS Zero runtime execution overhead

❌ Legacy JS Execution isotope-layout (31.5 KB)

HTML ➔ Load JS (31KB) ➔ DOM Query ➔ Measure Loop ➔ Thrash & Paint

⚠️ Forces continuous main-thread layout recalculations on resize

✅ Zero-Runtime Modern CSS 0.0 KB (Browser Native)

HTML Markup ➔ Native CSS Engine ➔ Direct GPU Paint (0ms JS)

/* Loading replacement... */

Browser Engine Support: Chrome 105+ Firefox 110+ Safari 15.4+ Edge 105+ Baseline Widely Available

Interactive State: Native masonry layout rendering cards directly in browser layout engine without JS measurement loops

Audit Status: Validated (5 Legacy Found)