A Webmaster Blog
Some forums and content management systems have ‘newsflash’ type content which means that the important keyword terms rotate each time the page is loaded. Probably here the search ranking factors are
Constantly rotating content can be a useful tool for informing users of new features, upcoming events and so on. It doesn’t intrude in the forums as it would if all 4-5 news items were displayed at once and it grabs attention. Obviously it has to be designed carefully so as not to be too in-your-face. It may also be useful to check your visitor logs; if you do not have a significant proportion of return visitors, it’s a pretty pointless move, anyway. And if you have a very high proportion of return visitors, You will know that news isn’t what they are looking for as both Search engines and users love to find stable content.