If you’re sniffing a product category page with multiple products but you’re only getting a single row of data with way too many columns the most common reason for this is a misaligned click of the sniffed element. Try to select an area of the page that highlights multiple elements instead of a single, larger area. Each highlighted element on the page corresponds to a single row in the resulting table.
Possible situation: All elements highlighted in one large element.
Solution: Elements highlighted separately in multiple subelements.
The number of elements highlighted will is shown for the user during the highlighting process.