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Three methods using modules on your existing CMS of implementing the fixes.  I use labels  A, B & C three different configurations C is the least expensive I think all three of them would add a lot of value however you would be very safe using A  or C A) **1) all-in-one with canonical ** https://addons.prestashop.com/en/seo-natural-search-engine-optimization/41644-essential-seo-all-in-one-tools-by-experts.html 2) JSON-LD https://addons.prestashop.com/en/seo-natural-search-engine-optimization/31857-seo-structured-data-schema-markup-rich-snippet.html B) 1) Add a canonical tag to your site https://addons.prestashop.com/en/url-redirects/22526-canonical-seo.html 2) open graph https://addons.prestashop.com/en/products-on-facebook-social-networks/19002-open-graph-protocol-social-seo.html 3) JSON-LD https://addons.prestashop.com/en/seo-natural-search-engine-optimization/31857-seo-structured-data-schema-markup-rich-snippet.html or C ) 1) Add a canonical tag to your site https://addons.prestashop.com/en/url-redirects/22526-canonical-seo.html 2) This module offers structured data/JSON-LD Facebook and Twitter open graph tag redirects  Site maps etc. a base SEO suite without a canonical tag found above. https://addons.prestashop.com/en/seo-natural-search-engine-optimization/24387-everest-seo.html#overview This video is of the all-in-one module without the canonical tag unfortunately but it's the least expensive of the two. https://youtu.be/q3cQICHPypQ I hope this wasn't confusing I would choose A or C it will really help your site. All the best, Tom