Nick Momrik

Counts the total number of words in all posts or the number of words in a single post.
<h3>Configuration</h3>
The default is to count the total number of words in all posts. If you would like the number of words displayed for a particular post or page, use the following inside “the loop”
<pre><code><?php mdv_post_word_count(true); ?>
</code></pre>

Post Word Count

Counts the total number of words in all posts or the number of words in a single post.

ricardjorg

Updates the Dashboard’s At a Glance widget to show the total word count of all the published posts in this WordPress website (and average word count per post). Also shows the age of the website (time since the oldest post). Uses the default dashboard icons and styling, so it’s completely seamless. Just more information for you.
Languages: English, Spanish and Portuguese
Special thanks to <a href="https://profiles.wordpress.org/apasionados" rel="nofollow ugc">Apasionados</a> for implementing the translation feature for the plugin and including Spanish translation files.

Dashboard Wordcount

Updates the Dashboard's At a Glance widget to show the total word count of all the published posts and age of this WordPress website.

Post Word Count vs Dashboard Wordcount