Question string is taken out only when desired, pagination is retained and dealt with (an current "prev/future" system is necessary, more recent PS currently does it) The default homepage title will be the name of The shop, and thus the index' title area is vacant. If you place articles in https://addons.prestashop.com/ru/seo-natural-search-engine-optimization/31857--rich-snippets-json-ld-opengraph-seo.html