John Godley

HeadSpace2 is an all-in-one meta-data manager that allows you to fine-tune the SEO potential of your site. Visit the <a href="http://urbangiraffe.com/plugins/headspace2/" rel="nofollow ugc">HeadSpace</a> page for a video demonstration.
You can configure meta-data for:
<ul>
<li>Posts</li>
<li>Pages</li>
<li>Categories</li>
<li>Home page</li>
<li>Author pages</li>
<li>Search pages</li>
<li>404 page</li>
</ul>
You can define:
<ul>
<li>Tags/keywords, with suggested keywords</li>
<li>Descriptions</li>
<li>Page titles</li>
<li>Custom ‘more text’</li>
<li>Site name and site description</li>
<li>Custom themes – change your theme on each page!</li>
<li>Custom plugins – load a plugin only on specific pages</li>
<li>Additional CSS and JavaScript files</li>
<li>Noindex and nofollow meta tags</li>
<li>Follow/follow on archive, category, page, tag, and comment links</li>
</ul>
It also allows you to add:
<ul>
<li>Google Analytics</li>
<li>Google Webmaster</li>
<li>Google section targeting</li>
<li>Mint statistic</li>
<li>103bees</li>
<li>Statcounter</li>
<li>CrazyEgg heat map</li>
<li>Feedburner Stats Pro</li>
<li>Apture</li>
<li>Yahoo! Site Explorer</li>
<li>Microsoft Live Verification</li>
<li>HitTail</li>
<li>Piwik tracking</li>
<li>AWStats tracking</li>
</ul>
You can also:
<ul>
<li>Disable visual editing</li>
<li>Disable widgets</li>
<li>Configure first-time visitor messages</li>
<li>Add frame-breaker code</li>
<li>Disable WordPress auto-formatting (wpautop and wptexturize)</li>
<li>Configure memory limits, error reporting, and system timeouts</li>
</ul>
This is all included in a single plugin. Because of the large number of other meta-data plugins, HeadSpace provides an import function for the following plugins:
<ul>
<li>Ultimate Tag Warrior</li>
<li>All-in-one SEO</li>
<li>HeadMeta Decription</li>
<li>Jerome’s Keywords</li>
<li>lud.icro.us Head Meta</li>
<li>SEO Title Tags</li>
<li>Simple tagging</li>
</ul>
HeadSpace is available in:
<ul>
<li>English</li>
<li>Français thanks to Serge</li>
<li>Polska thanks to Jacek Tyc</li>
<li>Deutsch thanks to Mario</li>
<li>Italiano thanks to Gianni Diurno</li>
<li>Bulgarian thanks to Alexander Dichev</li>
<li>Spanish thanks to Juanpa Manson</li>
<li>Russian thanks to Sergey Ryvkin</li>
<li>Danish thanks to Strang Skov and Georg S. Adamsen</li>
<li>Japanese thanks to Yoichi Kinoshita</li>
<li>Brazilian Portuguese thanks to Vinicius Pinto</li>
<li>Dutch thanks to Matthias Houwelin</li>
<li>Simplified Chinese thanks to Rick</li>
<li>Indonesian thanks to Hendry Lee</li>
<li>Romanian thanks to Dragoş Nicolae</li>
<li>Turkish thanks to Omer Faruk</li>
<li>Belorussian thanks to Marcis Gasuns</li>
<li>Ukrainian thanks to Kirin</li>
<li>Estonian thanks to Lembit Kivisik</li>
<li>Farsi thanks to Amir Heydari</li>
<li>Arabic thanks to Mouad</li>
</ul>
If you can provide a language translation then please get in <a href="http://urbangiraffe.com/contact/" rel="nofollow ugc">contact</a> with the author. A PO file is provided with the 
plugin and can be used in <a href="http://urbangiraffe.com/articles/translating-wordpress-themes-and-plugins/" rel="nofollow ugc">translating with poEdit</a>.
<h3>Documentation</h3>
Full documentation can be found on the <a href="http://urbangiraffe.com/plugins/headspace2/" rel="nofollow ugc">HeadSpace2</a> page.

HeadSpace2 SEO

Controls almost every aspect of your site's meta-data, including advanced tagging, Analytics, and dozens of plugins.  The best WordPress SEO solu …

guzmandrade

Wrapper and admin panel for <a href="https://developer.wordpress.org/reference/functions/delete_metadata/" rel="nofollow ugc">delete_metadata</a>. 
You can select the object type you want to search to delete metadata. Default to <code>post</code>.
WARNING! Use this plugin with caution. It will delete all post meta based on a meta key.

Delete Post Meta

Handy Plugin

Delete Post Meta based on meta key. Wrapper and admin panel for delete_metadata.

HeadSpace2 SEO vs Delete Post Meta