Case in point: You have an e-commerce Web site with solution web pages for various measurements of a specific t-shirt. 8 fields can be obtained by default, and each is accompanied by a listing of available keywords. Some keywords and phrases are mandatory and so are indicated using a "*". https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-hreflang-tags-canonical-tags-on-all-pages.html