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Speedometer 3.0

browserbench.org

Web
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Spec score 6.8 #66 of 73 in PC Benchmark Software

Spec sheet

Purpose
Speedometer 3.0 measures web application responsiveness by timing simulated user interactions across workloads.Read 12 Oct 2026 · browserbench.org
Accuracy guidance
The instructions recommend using a clean browser profile, closing other tabs and windows, and keeping the benchmark page focused during a run.Read 12 Oct 2026 · browserbench.org
Browser access
The project says the benchmark should run in every modern browser by visiting a normal web page.Read 12 Oct 2026 · github.com
Current version notice
The Speedometer 3.0 page recommends running Speedometer 3.1, which it says supersedes this benchmark.Read 11 Oct 2026 · browserbench.org
Feedback
The project directs users with feedback or questions to file issues on GitHub.Read 12 Oct 2026 · webkit.org
Frameworks and libraries
The listed workloads include React, Angular, Vue, Svelte, Preact, Lit, Backbone, jQuery, and Web Components.Read 11 Oct 2026 · browserbench.org
Method limitation
Speedometer does not attempt to measure concurrent asynchronous work such as work performed in Web Workers.Read 12 Oct 2026 · browserbench.org
Methodology limit
Speedometer does not attempt to measure concurrent asynchronous work such as work in Web Workers.Read 11 Oct 2026 · browserbench.org
Open source
Speedometer is developed as an open source project under a multistakeholder governance model involving three browser engine projects.Read 12 Oct 2026 · browserbench.org
Other workloads
Workloads include editing rich text, rendering charts, and reading a news site.Read 12 Oct 2026 · browserbench.org
Result export formats
JSON; Classic JSON; CSVRead 22 Sep 2026 · browserbench.org
Results
The page provides detailed results and options to copy or download JSON and CSV results.Read 12 Oct 2026 · browserbench.org
Technologies tested
The listed workloads include React, Angular, Vue, Svelte, Lit, CodeMirror, TipTap, Chart.js, and Observable Plot.Read 12 Oct 2026 · browserbench.org
Test conditions
The instructions recommend a clean browser profile because extensions and non-default browser settings can have a large impact on scores.Read 11 Oct 2026 · browserbench.org
Todo workload
The todo list workload measures the time to add, complete, and remove 100 items.Read 12 Oct 2026 · browserbench.org
Todo workloads
Its todo workloads time adding, completing, and removing 100 items across implementations using different techniques and frameworks.Read 11 Oct 2026 · browserbench.org
Usage limit
The maker says Speedometer should not be used to compare the performance of different JavaScript frameworks.Read 11 Oct 2026 · browserbench.org
Use limitation
The project says Speedometer should not be used to compare the performance of different JavaScript frameworks.Read 12 Oct 2026 · browserbench.org
Version status
The Speedometer 3.0 page says Speedometer 3.1 supersedes this benchmark.Read 12 Oct 2026 · browserbench.org
Viewport
The benchmark page says a viewport of at least 850 by 650 pixels is recommended for the most accurate results.Read 12 Oct 2026 · browserbench.org
Workload areas
to-do lists; rich-text editing; chart rendering; news-site navigationRead 22 Sep 2026 · browserbench.org

Where Specifiction places it

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