How to hide a specific category from Google Index in Magento 2?

In Magento Admin Panel, Go to Catalog in Left Menu > Categories
Select the category you want to edit and in Design Section > Layout Update XML, put this value:

<head>
    <meta name="robots" content="NOINDEX,NOFOLLOW"/>
</head>
How to add noindex nofollow on specific category page in Magento2

Save the category and then Clear the cache

How to shift category description below products in Magento 2

In your theme folder, add Folder Magento_Catalog/layout and in layout folder add file catalog_category_view.xml

<?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="2columns-left" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
    <body>
<move element="category.view.container" after="content" destination="main.content" />
    </body>
</page>

Remove Compare feature from Magento 2

How to remove “Add to Compare” links in sidebar and product page in Magento 2 product pages

Magento 2 Community has a default feature of comparison lists for multiple products. Learn how you can disable the “Add to Compare” feature in magento2 community edition.

Add the following lines in default.xml of your theme folder

	<referenceBlock name="catalog.compare.sidebar" remove="true"/>
	<referenceBlock name="catalog.compare.link" remove="true"/>
	<referenceBlock name="related.product.addto.compare" remove="true"/>
	<referenceBlock name="view.addto.compare" remove="true"/>
	<referenceBlock name="upsell.product.addto.compare" remove="true"/>