How Browsers Work: A Peek Under the Hood

In the past years, when Internet Explorer dominated the market with 90% usage share, developers used to consider IE as a black box with nothing to do except view the rendered code. However, the present is the age of open source browsers. With browsers like Firefox and Chrome covering more than 50% of usage share, it has become quite easy for developers to look at what is happening under the hood. In brief, there are thousands of lines of C++ code. Let’s get a brief understanding of how a browser works. Structure of a Browser Primary components of a browser are:

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