Performance Metrics Tracker

Name: Performance Metrics Tracker
Author: mohanc

Track performance metrics of visited URLs and display waterfall chart.

As of June 2026, Performance Metrics Tracker has 58 users in the Developer Tools category.

mohanc Developer Tools

Chrome Web Store ↗.crx

Users+16.0%

Rating0%

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— reviews

Reviews0%

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Version

1.3

Manifest V3

History

2 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	50	—	—	1.3
Jun 2, 2026	52	—	—	1.3
Now	58	—	—	1.3

Permissions & access

Permissions: sidePanelscripting
Host access: https://*/*

Screenshots

Performance Metrics Tracker screenshot 1

Performance Metrics Tracker screenshot 2

About

The Performance Metrics Tracker is a powerful Chrome extension designed to help developers and analysts monitor and visualize the performance metrics of web pages. This extension captures key performance indicators (KPIs) of visited URLs, including start and end times, and presents them in a comprehensive waterfall chart.

Key Features:

	•	Detailed Metrics Collection: Automatically collects performance metrics such as start and end times of web page navigation and resource loading.
	•	Interactive Waterfall Chart: Visualize performance data with an interactive waterfall chart, which displays the duration of each web request in a clear and engaging manner. Customize the chart with adjustable bar widths .
	•	Dynamic Table View: View and manage performance metrics in an easy-to-read HTML table. The table supports sorting and searching, and includes options to wrap long URLs for better readability.
	•	Export Options: Download the performance metrics table as a CSV file and the waterfall chart as an SVG file for further analysis or reporting.
	•	User-Friendly Interface: Featuring a side panel for seamless integration into your browsing experience, allowing quick access to performance data without disrupting your workflow.