You specify the primary URL because the online search engine might have issue identifying which one should be the key URL.  The subsequent tutorial will provide you with tips on how to enable Canonical URLs in Prestashop one.five. The default homepage title could be the name of The shop, https://addons.prestashop.com/en/seo-natural-search-engine-optimization/31857-automatic-google-rich-snippets-json-ld-open-graph-seo.html