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There are other individual pages in your PrestaShop install that would certainly benefit from friendly URLs: CMS pages, user account pages, pages with automatically generated content... The "SEO & URLs" page presents you with a list of these pages, and enables you to edit their friendly URLs as well as their meta tags (title, description, keyword).
Meta title. The The name of the category, as displayed in the browser.
Meta description. A presentation of the page in just a few words, intended to capture a customer's interest. It will appear in search results.
Redirection page
Visibility. You can further choose to have the product available through different channels:
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