If you use Clic Boutic for your e-commerce solution, this is how you can create your product feed.
To export your catalogue or generate a feed URL, go to the "Marketing" tab. To find the export for Google, click on "Price Comparison sites".
Click on "Google Shopping", and an URL will be generated containing the feed to export your products.
You can also click on "Configure the export" to define:
- Your shipping cost
- Category you want to export
For more details, we recommend you ton consult those articles written by Clic Boutic (in french):
http://aide.clicboutic.com/article/119-referencer-vos-produits-sur-google-shopping
and
http://aide.clicboutic.com/article/123-comment-exporter-mes-produits-vers-les-comparateurs-de-prix