You specify the key URL because the search engine could possibly have issues figuring out which 1 should be the primary URL. The next tutorial will explain to you the best way to allow Canonical URLs in Prestashop 1.five. Redirect towards the canonical URL. A supplied PrestaShop page can https://bookmarkswing.com/story20684921/indicators-on-canonical-link-tag-not-found-you-should-know