Scaling a Tag Cloud

Like many of you I’m using tag clouds (or related navigation concepts) on a couple of sites, like CoverBrowser.com.

Sometimes I run into the problem of scaling the cloud, when the page is about to get too large and complicated to serve as an overview.

There are some ways to scale the data contained in the cloud:

• You can hide tags of a certain threshold, e.g. only display tags which are used N times. (This is the most-used approach because tag clouds already utilize font size to indicate importance. But this approach doesn’t lend itself to all uses. What if low-threshold keywords are just as importance?)


• You can include categories which expand a portion of the cloud on-click (by dynamically

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