> The trivial solution is then: increment the count for each of the tags when a user visits a page with those tags. In top news, show the stuff at the top with

> The trivial solution is then: increment the count for each of the tags when a user visits a page with those tags. In top news, show the stuff at the top with the highest tag count. Just last week I started building a feed reader which does exactly that. Feeds are more like entire newspapers, but maybe you're only interested in the tech articles. You can build up a weighted distribution of keywords over time which describe the current interests of the user, using the approach you described. And all you need to do to make it work is read as usual. If you want to try it out: https://www.feedist.io https://www.feedist.io It's still in beta but will very likely leave it next week.