Reducing the number of HTTP requests
A typical web page might not have only HTML content. It may have references to CSS files, JS files, and images, or other sources. So, when you try to access a web page, the client will fire HTTP requests for each of these references and download those references from the server to the client.
Browser developer tools come in handy when you want to analyze the HTTP requests being fired from the client. Most of the browsers have developer tools that you can make use of.
When you press F12 in Internet Explorer, the Developer Tools window will open at the bottom of the Internet Explorer window, as shown in the following screenshot:
Click on the Network tab. Before entering the URL in the browser, click the Start ...
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