How can PHP developers ensure that the URLs on their websites are SEO-friendly?

To ensure that URLs on their websites are SEO-friendly, PHP developers can use URL rewriting to create clean and descriptive URLs that include relevant keywords. This can be achieved by utilizing the .htaccess file to rewrite URLs in a more user-friendly format. Additionally, developers should ensure that URLs are consistent and easily readable for both users and search engines.

RewriteEngine On
RewriteRule ^about$ about.php [L]
RewriteRule ^contact$ contact.php [L]