SEO friendly URLs are used to optimize the structure and word usage in URLs so that the process of indexing a website by search engines become improved.

SEO techniques, such as putting keywords and having proper length and file structure in the URLs, help in improving website ranking and enhancing website navigation.

Search engines (Google, Bing, Yahoo etc.) and users may have problems with complicated URLs. Clean and simple URL helps users and search engines to understand a page topic easily.