If you are using Friendly URLs in your website you must use Content Search Web Part to build content aggregations.
When building content aggregations using the Content Query Web Part (CQWP) there are often situations when you need to wrap the results of the aggregation in some additional markup. Find out how to wrap the contents of a CQWP in additional markup.
Content Query Web Part is one of the most powerful Web Parts provided with the SharePoint 2010 platform. To support all of its functionality however, it produces some additional HTML markup that you might not need in your website. Find out how to get more control of the output of the Content Query Web Part.
SharePoint 2010 Content Query Web Parts ships with the Slots capability which simplifies working with custom Item Styles. Unfortunately it turns out that Slots may be broken when working with extended CQWPs. So what is the problem exactly and, what’s more important, how can you solve it?
Content Query Web Part (CQWP) allows you to easily create RSS feeds for your content. With SharePoint 2010 it became even easier as you can use slots to map your fields to RSS fields. There are however a few things you should keep in mind to get the most out of an RSS feed created using the CQWP. Find out how to create a proper RSS feed with the SharePoint 2010 Content Query Web Part.