WCM
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.
WCM tip #8: Resetting List’s permissions removes anonymous access to the catalog
When resetting List’s permissions anonymous access to the catalog is removed as well.
WCM tip #7: Map your custom column to the UsageAnalyticsId Managed Property
When publishing lists other than the standard Product Catalog list as catalog, map the Crawled Property linked to the Site Column representing the unique identifier of each catalog item to the UsageAnalyticsId Managed Property.
WCM tip #6: Use complete matching for catalog item URL fields
Managed Properties linked to Site Columns used as URL fields in catalog should have Complete Matching enabled for the catalog content to be retrieved properly.
WCM tip #5: When using SP2013 SEO features the browser title replaces the contents of the PageTitlePlaceHolder Content Place Holder
When using the new Search Engines Optimization features provided with SharePoint 2013 the browser title for the particular page will replace all contents of the PageTitlePlaceHolder Content Place Holder. This is important to know particularly when building hierarchical titles.