MrXHellboy

This plugin will provide you a new widget, showing the last modified items. 
You can customize the widget with 5 settings: 
– Title 
– Amount 
– Text between title and date of modification 
– Show the date 
– Post type.
<h3>Development Blog</h3>
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Last modified items Widget

List your last modified items through a widget. Quick and easy.

Mike Stott

The shortcode to display when your site was last updated is [WPlastupdated text = “”] where you can enter any text in the “”. Built by <a href="http://epicplugins.com" rel="nofollow ugc">Epic Plugins</a>

WP last updated

WP lastupdated lets you easily add a shortcode or widget to you site which tells your visitors when the last time your site was updated.

Last modified items Widget vs WP last updated