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

Web Guy

Add a favicon.
Set the favicon URL under Appearance > Customize > Site Identity > Site Favicon.
This plugin is especially useful if you’d like to set a Site Icon, but also need to set a unique favicon separate from it.

Woocommerce favicon cart badge vs Site Favicon