You specify the principal URL since the online search engine can have trouble pinpointing which 1 needs to be the main URL.  The subsequent tutorial will explain to you how to allow Canonical URLs in Prestashop 1.5. PrestaShop modules we designed initially to solve the condition of our personal https://linkedbookmarker.com/story4704765/the-tag-hreflang-automatici-e-tag-canonici-seo-diaries