Single-page analyzer

Compare old and new traceEvent reports

Drop one or many Chrome tracing / minitrace files for each side. If a mixed set is uploaded, files with old/baseline/original in the name go to old and new/candidate/current go to new.

Supports traceEvents, CSV, TSV, JSON, and JSON lines

Old files

baseline

Drop one or more old files here or click to pick files

New files

candidate

Drop one or more new files here or click to pick files

Group by column

iterations column

p50 column

p95 column

p99 column

The app auto-detects traceEvents payloads, CSV, TSV, JSON arrays, JSON objects, JSON lines, and splits mixed uploads by filename hints. It also reports iterations/calls per function.