RSSMicro and FeedCamp have been out since 2006, trying to measure hot topics, popular RSS feeds and offer a broad search engine through millions of feeds. (See Search Engine Journal for a 2006 review.) In the last week, RSSMicro introduced a new measure they call FeedRank, which utilizes an algorithm they claim taps into a feed's updating frequency, quality of content, and whether the sites are "known", to deliver a numerical score, graded on a steep curve.
Given the preponderance of low scores, I'd be surprised if most bloggers would want to display their FeedRank.
But outside of that single measurement, RSSMicro, and its companion site, FeedCamp, could give the much more popular Google News and Google Trends a run for their money - if anybody knew about them, or if they worked harder to make their site look current.
Today's Top News and Images are Political, Of Course
The main RSSMicro page highlights top news, videos and images from almost 6,000 different news sources, on top of the more than 4 million RSS feeds they say they scour with their search engine.
The sites are worth checking out, especially for trends, assuming somebody can crack the code and track keywords over time.
If you are interested in seeing where your feed sits in FeedRank, use the FeedRank Checker on this page. And if you crack a 4 out of 10 or higher, consider yourself privileged.