domclic

EffortLess Disable All Comments allows you to disable comments, trackbacks, and avatars across your WordPress site or multisite network with a single checkbox. When enabled, it removes comment functionality, hides the Comments and Discussion menus, and blocks comment submissions. Uncheck to restore all features.
Features:
<pre><code>Disables comments and trackbacks for all post types.
Removes avatars site-wide.
Hides Comments and Discussion settings in the admin.
Blocks comment submissions via frontend, admin, and REST API.
Multisite support: applies settings network-wide.
Simple toggle to enable/disable.
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EffortLess Disable All Comments

Completely disables comments, trackbacks, and avatars site-wide or network-wide with a single toggle. Multisite compatible.

dalziel

Adds a template tag ‘trackback_template()’ that displays the list of trackbacks for a post/page. This is especially useful for 
sites that are displaying the comments using a seperate service (i.e. Disqus).
<h3>Modifying the template</h3>
By default the plugin displays the trackbacks as an unordered list inside a div with the id “trackbackslist” with a h3 heading “Trackbacks” above the list 
Alternatively if you’re comfortable with editing HTML & PHP you can add a file called trackbacks.php into your template folder and the plugin will use that to style this list. 
The file trackbacks.php in the plugin folder contains the default code & is a good starting point for customising your own template. Copy it into your 
template folder and it will be used instead of the default file.

Trackbacks Template

Adds a template tag to allow you to display only the trackbacks for your posts/pages.

EffortLess Disable All Comments vs Trackbacks Template