Sparanoid

<p>Adds readability.com widget on your site. A must-have plugin if you’re a Readability publisher. This plugin also works fine with multisite enabled WordPress (aka. WordPress Mu).</p>
<p>More information please visit my <a href="http://sparanoid.com/work/readability/" rel="nofollow ugc">site</a>.</p>


Readability Buttons (readability.com)

Adds readability.com widget on your site.

Israpil

<p>Textmetrics is the easiest way to make high quality content that matches your target audience and at the same time is SEO proof. Resulting in higher search engine rankings, more traffic to your website and increased conversion.</p>
<p>We’ve put the knowledge and expertise of many SEO experts in our SEO suggestions engine and made it very easy to use. You don’t need to be an SEO expert yourself! Our content optimization algorithms are backed by scientific research and based on extensive natural language processing.</p>
<p>What you can do with the Textmetrics plugin:</p>
<h4>Realtime optimization suggestions</h4>
<p>The Textmetrics plugin integrates with the WordPress editor (and other popular page builders). While writing your content, you will see realtime suggestions on how to improve your content. The suggestions will show directly alongside the editor, so they are clearly visible and easy to follow.</p>
<h4>Analysis of your content</h4>
<p>Textmetrics will analyze your content and tell you how to optimize it for maximum results in search engine rankings.</p>
<h4>Keyword analysis & suggestions</h4>
<p>Textmetrics will help you find the best keywords for your content. Fill in your keyword to have it analyzed on volume and competition in realtime and also get suggestions on other keywords you could use.</p>
<h4>Content Quality module</h4>
<p>This module analyses your content and gives you tips to increase the readability of your text and improve the chances of conversion. Check our <a href="https://www.youtube.com/watch?v=c0UzUfBRA-E" rel="nofollow ugc">video</a> to find out more about this module!</p>
<h4>Up-to-date SEO rules</h4>
<p>We make sure that the Textmetrics engine is always up-to-date with the latest SEO rules. So you will always have access to the latest SEO rules and insights to optimize your content</p>
<h4>Page Rank & SEO optimization tracking</h4>
<p>Textmetrics has a Page Rank and SEO optimization tracker. It will track the rank in Google of your content and SEO optimization score, so you can follow progress. It will notify you when rankings change.</p>
<h4>Social & SEO Meta Tags integration</h4>
<p>Textmetrics automatically adds social & SEO meta tags to your posts. You can enable or disable this option in the <strong>Textmetrics</strong> >> <strong>Social</strong> menu in the WordPress dashboard.</p>
<h4>Import functionality</h4>
<p>Textmetrics can import data from other popular SEO plugins. You can find this option in the <strong>Textmetrics</strong> >> <strong>Tools</strong> menu in the WordPress dashboard.</p>
<p>Textmetrics can be used alongside other popular SEO plugins.</p>


Textmetrics

Textmetrics is the easiest way to create SEO proof content to rank higher and get more traffic. Realtime optimization, keyword research and more.

Readability Buttons (readability.com) vs Textmetrics