URL's are very important when it comes to SEO. They provide search engines and users with essential information about the content of a given page. If you optimize your URL's, it can improve a page's visibility in search results and will contribute to overall website authority. Clear and SEO-friendly URL's are more likely to be clicked on and shared, which further boosts the organic traffic.
By checking your URL's, you can make sure that they contain relevant keywords in regards to the content on the page.