cross-site publishing
WCM tip #17: Optimize your authoring site for SharePoint search
When using a separate authoring site for your website keep in mind that its user experience will be used in search and can be made visible to your visitors.
WCM tip #16: Invalid URLs for catalog items don’t return 404 Page Not Found response
When working with content catalogs, if your visitors use an invalid URL, instead of seeing the Page Not Found page they will see an empty page.
WCM tip #15: Use standard SharePoint SEO fields with catalogs to leverage the standard SharePoint SEO capabilities
When working with content catalogs which are published on the Internet use standard SharePoint SEO fields to add search metadata to your catalog items and optimize them for Internet search engines.
WCM tip #14: Use slugs with content catalogs for better SEO
When working with content catalogs use slug as the URL field to optimize the URL of the catalog item for Internet search engines.
WCM tip #9: In cross-site publishing scenarios use Catalog Items Rank Model
On public-facing websites using cross-site publishing use the Catalog Item Rank Model rather than the Default Search Model to get more relevant search results.