A Change to Nofollow Last month Google announced they were going to change how they treated nofollow, moving it from a directive toward a hint. As part of that they also announced the release of parallel attributes rel="sponsored" for sponsored links & rel="ugc" for user generated content in areas like forums & blog comments. Why not completely ignore such links, as had been the case with nofollow? Links contain valuable information that can help us improve search, such as how the words within links describe content they point at. Looking at all the links we encounter can also help us better understand unnatural linking patterns. By shifting to a hint model, we no longer lose this important information, while still allowing site owners to indicate that some links shouldn’t be given the weight of a first-party endorsement. In many emerging markets the mobile web is effectively the entire web.…