Measure it yourself

Not a demo. A reproducible harness that runs in your browser and reports mount time, per-frame cost, random-access latency, DOM footprint and heap, against an unvirtualized control group. Export the numbers as CSV, JSON or Markdown.

Open the benchmark →

1K → 10Mdataset sweep

4 → 61DOM nodes per row

Control groupunvirtualized baseline

High-performance virtual scrolling across real-world UIs — every row is measured (never estimated), with O(1) memory. Pick a demo: