Which two Salesforce B2B Commerce visualforce pages must be enabled at a Salesforce Community level...

Two Salesforce B2B Commerce Visualforce pages that must be enabled at a Salesforce Community level to make the out of the box SEO functionality available are:

CCSizeIndex: This page generates a sitemap.xml file, which is a file that lists all the pages and resources on a site that can be crawled by web crawlers. The page uses the configuration settings CO.SiteMapIncludeProducts and CO.SiteMapIncludeCategories to specify which products and categories shouldbe included in the sitemap.

CCCatSiteMap: This page generates a category sitemap file, which is a file that lists all the categories on a site that can be crawled by web crawlers. The page uses the configuration setting CO.SiteMapCategoryDepth to specifyhow many levels of subcategories should be included in the category sitemap. Salesforce References: B2B Commerce and D2C Commerce Developer Guide, Sitemap Files