HAR File Analyzer Visualize network requests made by the browser
NoScript Test: Check Website Without JS See JavaScript impact on rendering and page speed
DebugBear Website Speed Test Test page speed and get recommendations to improve load time
Lighthouse Network Simulation Speed metrics for different bandwidth and latency settings
HTML Size Analyzer Identify the cause of bloated HTML code
DebugBear 2.0 Website monitoring for front-end developers
FromJS An experimental data-flow analysis tool for JavaScript
JSON Size Analyzer A little tool to help you make your JSON data smaller
DebugBear Front-end website performance monitoring