“Many websites use tracking elements in the URL (e.g. https://example.com?utm_source=newsletter1&utm_medium=email&utm_campaign=sale) to mark your online activity.”
Half of every link you click is a receipt for the marketing department. The page loads fine without it. An Amazon product link shrinks to a few characters once the junk is gone. Browsers could strip this by default. The companies that make browsers also sell ads.