Query string is removed only when necessary, pagination is retained and managed (an present "prev/up coming" mechanism is required, more recent PS presently does it) Enhance the indexing of your Prestashop urls in Google. This module AUTOMATICALLY provides, without the require for virtually any handbook configuration, the "canonical" and "hreflang" https://binksites.com/story8945481/prestashop-vs-opencart-an-overview