Abidemi Kusimo

You can make use of category popular tag to display most used tag on your blog. This will give list of frequently used tag anywhere you place the shortcode or funtion in your theme.
For example [popular_category_tags count=10 type=”popular-tags” category_id=”1″]. 
You can also call this function from your theme file: cush_category_popular_tag() for basic output.
When using the shortcode type is required. category id, count is not required. if no category id suplied, the plugin will default to current post category available. 
For example [popular_category_tags type=”popular-tags” ].
You can find category tags options under Settings page 
Settings -> Category Tags
Credit : (https://wordpress.stackexchange.com/questions/261617/display-most-popular-tags-of-category)

Category Popular Tags

Display popular tags on achieve/category page of your theme using sortcode or by calling a function.

icopydoc

Add Star rating, pageviews and adds a tool for analyzing the effectiveness of content. Also this plugin adds a widget which shows popular posts and pages based on the rating and pageviews.
<h4>Displays the number of page views</h4>
[pageviews] – Displays the number of page views.
Notice:
<ul>
<li>This shortcode can be used in the body of the article.</li>
<li>This shortcode can be used in the loop body of templates.</li>
<li>This shortcode cannot be used outside the loop of the template.</li>
</ul>
Example:
<pre><code>[pageviews]
do_shortcode('[pageviews]');
</code></pre>
<h4>Display the rating starss</h4>
[pageratings] – display the rating stars.
Notice:
<ul>
<li>This shortcode can be used in the body of the article.</li>
<li>This shortcode can be used in the loop body of templates.</li>
<li>This shortcode cannot be used outside the loop of the template.</li>
</ul>
Example:
<pre><code>[pageratings]
do_shortcode('[pageratings]');
</code></pre>

Best Rating & Pageviews

It's works

Add Star rating, pageviews and adds a tool for analyzing the effectiveness of content with the supplied shortcode.

Category Popular Tags vs Best Rating & Pageviews