Joost de Valk

One of the most common SEO problems on WordPress sites is that people add too many tags to posts. In fact, <a href="https://fewertags.com/research/" rel="nofollow ugc">our research shows</a> that most WordPress sites use tags wrong. The WordPress interface makes it incredibly easy to do so, and with every tag you add, you add another URL to your site for search engines to crawl and index. This plugin minimizes that effect by setting a minimum number of posts needed for a tag to be “live” on your site.
Fewer Tags Free solves this problem for you! It does that by simply not showing tags that have less than 10 posts in them to users and search engines.
Tags that have less than the configured number of posts:
<ul>
<li>Are hidden from visitors and search engines on your site, and are redirected to your homepage.</li>
<li>They don’t show up in tag listings.</li>
<li>The are no longer linked in WordPress core’s or Yoast SEO or Slim SEO generated XML sitemaps.</li>
</ul>
This positively affects your site’s SEO and also leads to less crawling, as you have less useless tag pages.
See <a href="https://www.youtube.com/watch?v=KItn1X1qMas" rel="nofollow ugc">this video</a> if you want to learn how to use Fewer Tags Free.
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If you want to truly solve the tag problem on your site, consider the <a href="https://www.youtube.com/watch?v=NkF3Y6iIoDk" rel="nofollow ugc">Fewer Tags Pro plugin & course</a>. It’ll help you fix the problems with tags on your site very quickly.
<iframe loading="lazy" title="Fewer Tags Pro demo" width="750" height="422" src="https://www.youtube.com/embed/NkF3Y6iIoDk?feature=oembed" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
You can buy Fewer Tags Pro (or read more about it) on <a href="https://fewertags.com/" rel="nofollow ugc">fewertags.com</a>!

Fewer Tags Free

This plugin minimizes the effect of having too many tags by setting a minimum number of posts needed for a tag to be “live” on your site.

The Krotek

Customizable widget and shortcode to display tag cloud anywhere you want. You can use it as standard tag cloud widget, as shortcode in any post or page, or both ways. Tons of options allow you to fine tune cloud layout to your needs.
STANDARD FEATURES
<ul>
<li>Display list of post, category or link category tags.</li>
<li>Define number of tags to be displayed.</li>
<li>Set custom tag separator.</li>
<li>Select tag taxonomy: posts, categories or link categories.</li>
<li>Choose cloud mode: shortcode only, widget only or both.</li>
</ul>
PREMIUM FEATURES
<ul>
<li>Define smallest and largest tag size.</li>
<li>Select size unit: px, pt, em or percent.</li>
<li>Choose layout: standard flat cloud or unordered list.</li>
<li>Order tags by name or count.</li>
<li>Sort tags ascending, descending or randomize.</li>
<li>Define list of tags to exclude from cloud or include only.</li>
</ul>
You can purchase Premium version <a href="https://thekrotek.com/wordpress-extensions/tag-cloud" rel="nofollow ugc">here</a>.

Custom Tag Cloud

...but it at least is a little better than the one that comes with WordPress.

Free version is not very customizable...

Customizable widget and shortcode to display tag cloud anywhere you want.

Fewer Tags Free vs Custom Tag Cloud