HTTP Archive or HAR file is a setup that tracks information exchanged between a website and the browser. It is mainly used to detect different types of performance issues that hinder user experience. It also tracks all the resources that a browser loads with timing information. HAR files troubleshoots performance and page rendering issues.
HAR files follow a standard JSON format. All the information it contains is both flexible as well as extensible.
HAR files supply adequate information to visualize and debug the performance and functionalities of a webpage.
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