sneg55

Add “related” tags list(link list, plain text list, or my favourite cloud-style list) on the tag page, based on posts that have this tag.
When you open tag page i.e example.com/tag/facebook, plugin checking posts that marked with tag “Facebook”, check the other tags in these posts, and put the related tag list back.
<pre><code> <iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/ogKhVaVrvzo?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe>
</code></pre>
Sometimes related tags more useful for users and for SEO purposes.

Related tags

Add related tags list(link list, text list, or cloud-style list) on the tag page, based on posts that have this tag.

flocsy

SEO Tag Cloud Widget displays the tag cloud in a SEO-friendly way, using a search engine optimized html markup. 
It looks the same as the default WordPress Cloud Tag, but with an optimized html markup. 
You can put it to your sidemenu.

SEO Tag Cloud Widget

SEO Tag Cloud Widget displays the tag cloud in a SEO-friendly way, using a search engine optimized html markup.

Related tags vs SEO Tag Cloud Widget