Query string is removed only when required, pagination is retained and dealt with (an current "prev/upcoming" system is necessary, more recent PS already does it) The default homepage title could be the title of the store, and thus the index' title area is empty. If you place material in the https://addons.prestashop.com/pl/seo-pozycjonowanie-naturalne/31857-automatyczne-google-rich-snippets-json-ld-opengraph-seo.html