Makoto

既存の全記事+タイトルとタグ一覧を比較して記事内にタグにある文字列が含まれていた場合、記事にタグを自動的に追加します。

One Click Auto Tag

既存の全記事に自動でタグ付け

ramon fincken

Auto sets the more tag to post title if no custom text has been set. 
 Auto text is customizable using mp_auto_more_more_link_readmore filter in the Premium version: 
<a href="https://webshop.mijnpress.nl/shop/wordpress-auto-more-tag-text" rel="nofollow ugc">Buy premium</a>
Coding by: <a href="https://www.mijnpress.nl" rel="nofollow ugc">MijnPress.nl</a> <a href="https://twitter.com/#!/ramonfincken" rel="nofollow ugc">Twitter profile</a> <a href="https://profiles.wordpress.org/ramon-fincken/" rel="nofollow ugc">More plugins</a>

MP Auto more tag

Auto sets the more tag to post title if no custom text has been set.

One Click Auto Tag vs MP Auto more tag