Remove stop words from the slug URL in your permalinks for search engine optimization.
It is a common SEO technique to remove 'stop words' from the slug URL that are considered low priority in the search algorithm. Also, it helps trim the maximum URL length by creating a summary of the post title rather than the full text.
This plugin will remove the stop words from the URL from a defined list you can edit in the options.
A list of predefined stop words are included with the plugin and also available here.