Site Speed by DebugBear is a free Chrome extension developed by DebugBear. It falls under the category of Browsers and is classified as an Add-ons & Tools subcategory. This extension allows users to view Web Vitals metrics for the websites they visit and provides quick access to external web performance testing tools.

With Site Speed by DebugBear, users can easily monitor the performance of websites they browse. The extension displays metrics such as Full TTFB, First Contentful Paint, Largest Contentful Paint, Cumulative Layout Shift (CLS), First Input Delay (after user interaction), and Interaction to Next Paint (after user interaction). These metrics provide valuable insights into website performance and help users understand the impact of different factors on page speed.

Additionally, the extension shows the observed metrics collected by PageSpeed Insights before applying the throttling simulation. This feature aids in interpreting the final reported metrics. For users logged into the DebugBear monitoring tool, a "View on DebugBear" link is displayed, allowing for further analysis and monitoring.

Site Speed by DebugBear is a useful tool for web developers, performance analysts, and anyone interested in optimizing website performance. Its straightforward interface and integration with external testing tools make it a valuable asset in the quest for faster and more efficient websites.