Chief criticism of the practice of framing HTML content includes: * That framing breaks the link between content and a URL, making it difficult to link to or bookmark a particular item of content within the frameset[4] * That the implementation of frames is inconsistent across different browsers[5] * That framing confuses the boundaries between content on different servers[6], which raises issues of copyright infringement[7] * That visitors arriving from search engines may land on a page intended for display in a frame, which often has no navigation [8] * That frames change the behavior of the back button[9] * That frames usually don't print the way users expect they wil