n3k4

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 <a href="http://kaneandre.ws/wp-content/uploads/stop-words.txt" rel="nofollow ugc">here</a>.

Remove Stop Words

Remove stop words from the slug URL in your permalinks for search engine optimization.

沈唁

williamlong

The Chinese PinYin Slug WordPress plugin convert Chinese UTF-8 character into English PinYin character from a post slugs to improve search engine optimization.
For example, when you publish a post with a title like this: “Chinese PinYin” 
WordPress automatically assigns a long filename to your post, called a post slug: /%e4%b8%ad%e6%96%87%e6%8b%bc%e9%9f%b3
PinYin Slug plugin convert Chinese character into PinYin character. With Chinese PinYin plugin activated, the slug for our example blog post would look like this: /zhongwenpinyin
The slug is generated on saving a post (so you get a chance to look at it before publishing, and change it), or on publish. It won’t overwrite an existing slug. You can force a new slug generation by deleting the existing one.

Pinyin Slug

The Chinese PinYin Slug Wordpress plugin convert Chinese UTF-8 character into English PinYin character from a post slugs to improve SEO.

Remove Stop Words vs Pinyin Slug