Questions · Buy

Is a quantity stepper not an add to cart?

For a person, yes. To an agent looking for an add to cart button it is a plus sign beside a number. A labelled add to cart button tells every kind of agent what to press, and the stepper can stay for changing the quantity.

Why it happens

Agents read a page in two ways. Some look at it, the way a person does. Many read its structure instead: the buttons, links, select lists and form fields the markup declares, and the names and roles the accessibility tree gives them. That is faster and cheaper, and it is how most automated readers find what to press.

A store that builds its option picker from a styled div, or adds to the cart with a quantity stepper and no add to cart button, works for the first kind of agent and not the second. The scan reports it when the purchase only went through because the walk read the page as a person would.

Run a free scan and find out which of these your store actually hits.