Add meta tags such as title,description,keywords,index in posts, pages, categories & everywhere on your site.
Display your content in the best possible way on Facebook, Google+, Twitter, Pinterest, etc. - no matter how your webpage is shared!
Make sure social websites present your content correctly, no matter how your webpage is shared - from buttons, browser add-ons, or pasted URLs.
The Open Graph Protocol enables any web page to become a rich object in a social graph. This plugin renders meta tags within an extension framework.
Easiest way embed code in the head or footer of your site.
WP Basic Elements is a WordPress plugin that simplifys your WP Admin and cleans your markup in the code for faster loadtime.
Add basic meta tags and also Opengraph, Schema.org Microdata, Twitter Cards and Dublin Core metadata to optimize your web site for better SEO.
Places meta tags in your blog's header, so a suitable image and description show, when crossposting to Facebook or generating a Twitter Card.
Facebook Like Lock for WordPress. Locks your content and user can unlock by clicking on like button.
Simple header and footer code injector
WP social integration brings login by facebook, adds basic & opengraph metadata, facebook news feed, facebook social plugins anywhere in page
Adds a little box for you to specify if a page should auto refresh after a given number of seconds.
Auto SEO is a quick, simple way to add title, meta keywords, and meta descriptions to your site all at one from a single page.
This SEO Plugin creates meta keywords and meta descriptions for single posts.
Boost your wordpress SEO: Full SEO features Meta Tags, webmaster tools settings, Social AuthorShip for Facebook, Twitter and Google Plus and XML sitem
The Kerstner Foundation (Kerstner.org) offers FREE Web Hosting to nonprofits. To qualify you must install and activate this plugin.
Like Gate allows you to reveal some hidden/secret content when the user likes the article. Therefore increasing the likeness of your articles.
Simple SEO is a quick way to add HTML meta tags to your site and pages using WP integrated custom fields feature.
With this plugin you can control the indexing behaviour of search engines for any post or page.
With this plugin you can control the text which will be shown as description on the search engine results pages.
Edit SEO tags (or any custom field) from the All Posts page. Auto-detects SEO plugins & themes.
See the body word count to identify pages with thin content, then select pages to insert robots noindex,nofollow tags into.
Check Meta Title, Meta Keywords(s) and Meta Description on posts and pages and consult with a seo expert.
Allows you to set global meta tags and customize on each individual page/post.
Setup meta tags in the header for Facebook and Twitter.
This plugin will place automatically generated Open Graph meta tags.
This is a basic seo meta tag generator for wordpress.
This plugin gives you the ability to set Meta Keywords in WordPress. Under pages it will registrate a separate taxonomy for keywords.
Simple but complete SEO Pack to make your site SEO Friendly. Quick way to add meta tags to your post and pages using WP custom fields.
This plugin will allow you to easily add and manage special meta tags to your whole site, such as Yahoo and Google verification tags.