Network Diagnostics Dashboard is a free Chrome extension designed for developers and power users to quickly troubleshoot web performance issues. This lightweight tool features a modern UI and provides one-click access to essential performance metrics including First Paint, TTFB, and full load duration, allowing users to gain insights into connectivity problems efficiently.

The extension also offers a comprehensive resource overview, detailing total resource counts and bytes transferred, along with a connection diagnostics feature that presents navigator.connection details. With a compact and readable interface, users can easily perform quick diagnostics and receive actionable remediation tips. Built with Manifest V3, it ensures privacy by avoiding background logging, making it a valuable tool for anyone needing to analyze web performance.