Create a JavaScript benchmark online

Add shared setup code, define JavaScript or TypeScript test cases, run browser ops/sec comparisons, and save a shareable jsPerf benchmark URL.

Benchmark Details

Provide basic information about your performance test so others can understand what you are comparing.

Title *

DescriptionMarkdown supported

Code Language

Choose how setup, teardown, and test snippets are written. JavaScript stays the default; TypeScript is compiled where engines need JavaScript.

JavaScriptFastest setup and compatible with every existing benchmark.TypeScriptWrite typed snippets. Browser, Node, QuickJS and V8 run compiled JS; Deno/Bun can run native TS.

Preparation & Teardown

Code that runs before/after the tests. Useful for setting up the DOM or declaring shared variables.

JavaScript

Test Snippets

Write the JavaScript code you want to benchmark. Each snippet runs as a function body.

JavaScript

Ready to run? Make sure all your snippets are correct.