Several suppliers in one store: SKUs, prices and availability
Separate product pages or one shared page, how to match products across suppliers, whose price to show and what to do with different category trees.
Tag: product import
Repeat imports: avoiding duplicates and keeping your edits
Where duplicates come from when a feed is loaded again, which fields to update and which to protect, and how to check it before going on a schedule.
XML, YML, CSV or Excel: which feed to ask your supplier for
How feed formats differ, why a link beats a file by e-mail, and what in a feed matters more than its format. With a ready message to send your supplier.
How to import supplier products into your online store
How to load products from a supplier feed, choose an import method and avoid duplicates on the next update. A worked example, a comparison table and a checklist.
A PHP import script for your store: how supplier data gets in
What happens between a supplier feed and a product card: a pipeline of plugins, the engine driver, and the part your hosting memory decides.