This plugin will allow you to easily add and manage special meta tags to your whole site, such as Yahoo and Google verification tags.
Customize thumbnails and descriptions generated on Facebook when your post/page is shared. This plugin lets you to control your presentation Facebook.
This plugin adds custom header and footer for main page content.
This plugin adds a Like-Button wherever you want on your blog. Before or after the content as well as a sidebar-widget. And many more!
Contact-Export of Metainformation via .csv files
Adds Open Graph tags to your blog. Control how your posts and pages are presented on Facebook and other social media sites. No configuration needed.
A manual meta tag plugin that adds meta keywords and descriptions to pages and posts
Sitenizin yazılarına ve sayfalarına özel açıklamalar, anahtar kelimeler belirtebilirsiniz.
Removes unneccesary meta info.
Auto generates keyword and description tags for SEO as well as allows the user to specify tags for their homepage.
This generates meta descriptions as advised by the Official Google Webmaster Central blog.