The new No-Vary-Search header can be used to tell browsers that a query string like ?product_id=7 means the content on that URL is unique based on the query parameter, so cache pages like that individually. But also that a query string like ?
The new No-Vary-Search header can be used to tell browsers that a query string like ?product_id=7 means the content on that URL is unique based on the query parameter, so cache pages like that individually. But also that a query string like ?