Is there an option to continue shopping after adding an item to cart?

Yes, once a product is added to cart, a client can either go to the shopping cart or continue shopping. If they choose the latter option, they can stay on a product page or go to a category page. You can choose a preferable variant in System > Configuration > AJAX Cart > General Settings:

Magrento Ajax Shopping Cart - Amasty

See more details on AJAX Shopping Cart page
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