Search Engine Optimization Category URL Suffix Magento\Catalog\Model\System\Config\Backend\Catalog\Url\Rewrite\Suffix You need to refresh the cache. Product URL Suffix Magento\Catalog\Model\System\Config\Backend\Catalog\Url\Rewrite\Suffix You need to refresh the cache. Use Categories Path for Product URLs Magento\Config\Model\Config\Source\Yesno Create Permanent Redirect for URLs if URL Key Changed Magento\Config\Model\Config\Source\Yesno