The SEO Slugs plug-in lets you focus on writing, rather than fretting about ensuring every aspect of your post is SEO -friendly. It strips words like "a," "you," "what" or "can" from the permalinks of your post, since those keywords are ignored by search engines, Dingman writes. You will need to read his post to get the entire list, which includes Dingman's favorite, which is geared toward Apple's iPhone.