theode

With the use of shortcodes it is possible to react to the content by emojis. 
So you install the plugin and create new emoji with a title an emoji itself, a count field and an initial count, to fake the initial value of the clicked emoji. 
The shortcake is [emojized id=“8” count=“true”] (or false or empty)
In the new version you can limit votes to one per user.
This plugin demands WP REST API plugin.
It has the same approach as the plugin “Emoji Reactions” 
https://wordpress.org/plugins/emoji-reactions/ 
but that seems to be discontinued.
<iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/VaNw_Xh35NM?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>
So have fun with emojis.

Emojized

Emojized allows visitors to a WordPress site to rate and react to content using Emojis. Because text without them is  🅱🅾®ℹ️🆖

WP Plugify

Reactify helps to make your content come alive using interactive emoji reactions. Users will be able to click on the emojis they would like to express their feelings, and each emoji will display a count number that indicates its popularity. This system is simple to use and fun! 
Through smooth animations and a host of emojis , users can quickly express Laughter, Love, Surprise, or Excitement. The one click-reactions with numbers make everything more engaging and interactive, making users feel like they are a part of something fun and exciting.
<h3>Features and Options</h3>
<ul>
<li>Embedded Customer Reactions</li>
<li>Highly Customizable</li>
<li>Spam Filters</li>
<li>Dynamic Reaction Setting</li>
<li>Easy Setup</li>
<li>Integration with Third-party platforms</li>
<li>13+ Emojis Loaded</li>
<li>Amazing Reaction Count</li>
</ul>
<h3>Support</h3>
Get free dedicated support from our developers.

Reactify

Reactify helps to make your content come alive using interactive emoji reactions. Users will be able to click on the emojis they would like to express …

Emojized vs Reactify