Is it Really Necessary to Add ‘www’ to Website URLs in Modern Browsers Now?

Is it Really Necessary to Add ‘www’ to Website URLs in Modern Browsers Now?: "When we visit a website using our favorite browser, we usually just type in the basic part of the URL and ‘arrive’ at the desired location without any problems. But have we reached a point where we can start omitting ‘www’ from the URLs for all websites now, or is it still necessary to add it in?"

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