Parsa

<p>This plugin optimizes WordPress meta data storage by saving all meta data for each post, comment, user, or term in a single row with separate columns for each meta key. This reduces the number of rows and improves the query performance and data export. The plugin works seamlessly with WordPress core functions and hooks, and supports any plugins that use them. Some of the features of this plugin are:</p>
<ul>
<li>Custom database tables for each type of meta data (post, comment, user, term)</li>
<li>Compatibility with WordPress queries</li>
<li>Faster queries and easy data export</li>
<li>Data migration from default WordPress meta tables</li>
<li>Option to exclude specific fields from core meta tables</li>
<li>Support for popular plugins and themes such as Advanced Custom Fields, Meta Box, CMB2, and more.</li>
</ul>


Meta Optimizer

Meta Optimizer is a WordPress plugin that helps you speed up your website by using meta data. It lets you optimize the meta tables for your posts, com …

JS Morisset

<p>The JSM Show Comment Metadata plugin displays comment meta keys and unserialized values in a metabox at the bottom of comment editing pages.</p>
<p>There are no plugin settings – simply install and activate the plugin.</p>
<h4>Available Filters for Developers</h4>
<p>Filter the comment meta shown in the metabox:</p>
<pre><code>'jsmscm_metabox_table_metadata' ( array $metadata, $comment_obj )
</code></pre>
<p>Array of regular expressions to exclude meta keys:</p>
<pre><code>'jsmscm_metabox_table_exclude_keys' ( array $exclude_keys, $comment_obj )
</code></pre>
<p>Capability required to show comment meta:</p>
<pre><code>'jsmscm_show_metabox_capability' ( 'manage_options', $comment_obj )
</code></pre>
<p>Capability required to delete comment meta:</p>
<pre><code>'jsmscm_delete_meta_capability' ( 'manage_options', $comment_obj )
</code></pre>
<p>Icon for the delete comment meta button:</p>
<pre><code>'jsmscm_delete_meta_icon_class' ( 'dashicons dashicons-table-row-delete' )
</code></pre>
<h4>Related Plugins</h4>
<ul>
<li><a href="https://wordpress.org/plugins/jsm-show-comment-meta/" rel="ugc">JSM Show Comment Metadata</a></li>
<li><a href="https://wordpress.org/plugins/jsm-show-order-meta/" rel="ugc">JSM Show Order Metadata for WooCommerce HPOS</a></li>
<li><a href="https://wordpress.org/plugins/jsm-show-post-meta/" rel="ugc">JSM Show Post Metadata</a></li>
<li><a href="https://wordpress.org/plugins/jsm-show-term-meta/" rel="ugc">JSM Show Term Metadata</a></li>
<li><a href="https://wordpress.org/plugins/jsm-show-user-meta/" rel="ugc">JSM Show User Metadata</a></li>
<li><a href="https://wordpress.org/plugins/jsm-show-registered-shortcodes/" rel="ugc">JSM Show Registered Shortcodes</a></li>
</ul>


JSM Show Comment Metadata


Shows the metadata. Doesn't junk up my backend.


Great!

Show comment metadata in a metabox when editing comments - a great tool for debugging issues with comment metadata.

Meta Optimizer vs JSM Show Comment Metadata