Sweet Homes

This plugin displays custom favicon with badge for number of woocommerce cart products
Configuration parameters:
<ol>
<li>Favicon Image (upload or url).</li>
<li>bgColor: default: #d00, Options: Badge background color.</li>
<li>textColor: default: #fff, Options: Badge text color.</li>
<li>fontFamily: default: sans-serif, Options: Text font family (Arial, Verdana, Times New Roman, serif, sans-serif,…).</li>
<li>fontStyle: default: bold, Options: Font style (normal, italic, oblique, bold, bolder, lighter, 100, 200, 300, 400, 500, 600, 700, 800, 900).</li>
<li>type: default: circle, Options: Badge shape (circle, rectangle).</li>
<li>position: default: down, Options: Badge position (up, down).</li>
<li>animation: default: slide, Options: Badge animation type (slide, fade, pop, popFade, none).</li>
</ol>

Woocommerce favicon cart badge

This plugin adds a custom favicon a badge showing the number of products that are in the shopping cart

Archetyped

Favicon Rotator makes it easy to customize the favicon for your site. Just add a favicon via the administration page and it will be displayed whenever someone visits your site.
<h4>Highlights</h4>
<ul>
<li>New: Set icon for Touch devices (Android, iPhone, iPad, iPod Touch, etc.)</li>
<li>Simply point and click to add a favicon to your site</li>
<li>Supports adding multiple icons, from which a randomly selected favicon will be displayed.</li>
<li>Automatic icon conversion for large images (smaller files and faster loading)</li>
</ul>
<h4>Usage</h4>
<ol>
<li>Go to Theme > Favicon admin page to add/upload image(s) to use for the favicon</li>
</ol>
That’s it! The favicon will be displayed in visitors’ browsers when they visit your site
Notes
<ul>
<li>Verify that your theme uses the <code>wp_head()</code> template tag</li>
<li>If you add multiple icons, then a randomly selected icon will be displayed each time the site is loaded</li>
</ul>
<a href="http://archetyped.com/tools/favicon-rotator/" rel="nofollow ugc">More Information on Favicon Rotator’s Official Page</a>

Favicon Rotator

Easily set site favicon and even rotate through multiple icons

Woocommerce favicon cart badge vs Favicon Rotator