Compare performance metrics of your pages against each other or your competitors using Google PageSpeed Insights.
PageSpeed Compare makes use of Google PageSpeed Insights which is powered by Lighthouse and Chrome UX Report.
Auditing tool to diagnose issues and identify opportunities to improve the user experience of web pages.
Provides user experience metrics for how real-world Chrome users experience pages on the web.
Provide unified guidance for quality signals that are essential to delivering a great user experience on the web.
This web app is not affiliated with Google or any other trademark mentioned here. Lighthouse, Chrome UX Report and Web Vitals word marks and logos are owned by Google, LLC.
Find and fix what can be improved for your own pages, and see at a glance where and why competitors perform better.
Easily compare Lighthouse and Chrome UX Report data for all pages in clear and simple graphs.
Understand for which pages the speed of user experience meets the Lighthouse and Chrome UX Report thresholds set by Google.
Export specific performance insights with developers, content managers, designers, conversion specialist and other stakeholders by exporting data to image, CSV and JSON files.
The latest release of Lighthouse in PageSpeed Insights is version 6.3.0.
PageSpeed Insights API uses different servers based on your physical location (presumably the closest or most optimal server).
There are four PageSpeed Insights regions based on the requester's location: Northwestern US (Oregon), Southeastern US (South Carolina), Northwestern Europe (Netherlands) and Asia (Taiwan).
Yes, by adding the URL-parameter url you can prefill a single URL. If you request the URL with this URL-parameter in the browser, the form will be submitted automatically.
Drag PageSpeed Compare to your toolbar to open the URL in your current browser tab in PageSpeed Compare.
Web Vitals is an initiative by Google to provide unified guidance for quality signals that are essential to delivering a great user experience on the web.
Optimizing for quality of user experience is key to the long-term success of any site on the web. Whether you're a business owner, marketer, or developer, Web Vitals can help you quantify the experience of your site and identify opportunities to improve.
Yes, it's always better to run Lighthouse multiple times because Lighthouse performance scores tend to change due to the inherent variability in web and network technologies, even if there hasn't been a change to the page.
The maximum number of pages that can be compared with each other is limited to 12 pages to still ensure good readability in all graphs.