Visualize Core Web Vitals History

Fetches data from the CrUX History API and displays it in charts. You can check origin or URL level data, and pick form factors.

For more information on the API, see Chrome UX Report History API, and read the associate blog post here: 75th Percentile isn't the Only Measure for Core Web Vitals.

Bookmarklet:

Drag this button onto your bookmark bar, and you can click it whilst looking at any URL to load it here: Visualise CWV History

New! Get the Chrome Extension

Get the Chrome Extension to quickly access this tool quicker with a simple right-click. Grab it from the Chrome Store