Is it possible that Tag Cloud Widget will show only tags by category?
If a single post is from sports
category, then the Tag Cloud Widget will only show tags about sports.
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Sign up to join this communitythis is posible to do with custom coding or with using the plugin like this: WP Category Tag Cloud
Simply use <?php wp_tag_cloud(array('smallest'=>10,'largest'=>22,'number'=>0,'taxonomy'=>array('category'))); ?>