Magento 2.1.x Notice: Magento 2.1.18 is the final 2.1.x release. After June 2019, Magento 2.1.x will no longer receive security patches, quality fixes, or documentation updates. To maintain your site's performance, security, and PCIPayment Card Industry: Refers to debit and credit cards and their associated businesses. compliance, upgrade to the latest version of Magento. The Magento User Guide 2.1.x remains available in PDF for Open Source and Commerce.
The URLUniform Resource Locator: The unique address of a page on the internet. Rewrite tool lets you change any URL that is associated with a product, categoryA set of products that share particular characteristics or attributes., or CMSContent Management System: A software system that is used to create, edit, and maintain content on a website. page. When the rewrite goes into effect, any links that point to the previous URL are redirected to the new address.
The terms rewrite and redirectA method used to alert browsers and search engines that a page has been moved. 301 Redirect: Permanent change 302 Redirect: Temporary change are often used interchangeably, but refer to slightly different processes. A URL rewrite changes the way a URL appears in the browser. A URL redirect, on the other hand, updates the URL that is stored on the server. A URL redirect can be either temporary or permanent. Your store uses URL rewrites and redirects to make it easy for you to change the URL key of a product, category, or page and preserve existing links.
By default, automatic URL redirects are enabled for your store. The "Create Permanent Redirect for old URL" checkbox is marked under the URL key field of each product.