Google Merchant Center
Google Tag Manager is used for tracking.
url: https://tagmanager.google.com/
Verifying & Claiming Merchant Center
There's a few ways to do this, but we generally do by adding a site verification tag to the <head> section, like the below example:
<meta name="google-site-verification" content="xxxxxxxxxxxxxxxxxxxxx" />
Product Feed Creation
Self-Host Systems
CS-Cart
Joomla
Magento
Prestashop
Wordpress
X-Cart
Zen Cart
On-site Builder Systems
Bigcommerce
Ecwid
EKMPowershop
MyshopBlocks
Shopify
Squarespace
Wix
Yell