Starting the module, Superior Web optimization If you have advanced awareness in Search engine optimization you can use the subsequent options to optimize the assets of your web site. Otherwise, we recommend that you just skip the portion. Canonical on Index: Permits you to insert the "canonical" tag on the https://addons.prestashop.com/en/seo-natural-search-engine-optimization/31857-automatic-google-rich-snippets-json-ld-open-graph-seo.html