senewe

The Sengeku Meta Description Manager plugin provides a simple and elegant solution for managing meta descriptions on WordPress websites. With a user-friendly meta box in the editor sidebar, you can create individual meta descriptions for each post and page that will be displayed in search engines.
<h4>Key Features</h4>
<ul>
<li>Elegant Meta Box in the editor sidebar</li>
<li>Real-time character counter with visual warning when exceeding 160 characters</li>
<li>Live preview of the meta description</li>
<li>Overview column in the posts/pages list</li>
<li>Quick Edit function for fast adjustments</li>
<li>Support for all post types (Posts, Pages, Custom Post Types)</li>
<li>Translation ready (German/English prepared)</li>
<li>No configuration required – just activate and start using</li>
</ul>
<h4>Why Meta Descriptions Matter</h4>
While meta descriptions do not directly influence rankings, they: 
* Increase click-through rate (CTR) in search results 
* Give users a first impression of your page 
* Are used by Google as snippet text
<h4>For Developers</h4>
The plugin is cleanly coded following WordPress Coding Standards and can be easily extended.

Sengeku Meta Description Manager

A lightweight meta description manager with an elegant interface and character counter for optimal SEO results.

CongBom

Generate most common meta tags to your WordPress site.
Open Graph (og) tag via post content and featured image:
<pre><code><meta property="og:url" content="..." />
<meta property="og:type" content="..." />
<meta property="og:title"content="..." />
<meta property="og:description" content="..." />
<meta property="og:image" content="..." />
</code></pre>
Meta description tag via post content or excerpt:
<pre><code><meta name="description" content="..." />
</code></pre>

Meta Tags Generator

It assumes that the theme's screenshot is in .png format. For smaller file size reason, I prefer using .jpg images for my theme's screenshots.

To set the record straight, .png is the preferred format, although other image formats are allowed. This is a direct quote from the Codex pages:

"Note that optionally, .jpg, .jpeg, and .gif are also valid extensions and file formats for the screenshot (though not recommended)." 

Other than that, this plugin is refreshingly small in size, and that's a good thing.

Almost there!

Automatic generate meta tags. Let your WordPress site optimize with Search engine & Social sharing.

Sengeku Meta Description Manager vs Meta Tags Generator