This plugin helps you integrate your wordpress site in the 3waylinks backlink building system
This plugin allow author to add Schema.org markup options for product reviews.
This plugin speeds up your site by minifying and caching JS & CSS files. It also fixes a number of issues, replacing multiple plugins.
ROI SEO (Return on Investment, Search Engine Optimization) is a plugin that lets you customize and format SEO boosting HTML tags
A simple plugin that adds rel="nofollow" attribute to non-homepage Blogroll Links. Improves SEO while still giving link love to your favorite sites.
SEO Content Control helps to identify and clean up various sorts of weak content, in order to improve a site's quality and to rank better.
A WordPress plugin to remove the base category, e.g. the /category/, folder from your category links. 301 Redirects are added for old links.
Easy SEO for noobs and experts: The plugin is your helping hand in WordPress on page search engine optimization.
Inserts canonical link code into header. After activation, from your WordPress Settings, change Permalinks to Custom Structure: **/%postname%/
WordPress keyword research tool. This plugin will help you find potential keywords to optimize for your website.
Automatically generates a Google News Sitemap using the [updated Google News Sitemap specification](http://www.google.com/support/webmasters/bin/answe
Little Hippo is a multifunction plugin for agencies and site owners that speeds up the process of onsite optimisation.
Allows user to specify All in One SEO Pack details while posting from Windows Live Writer.
Edit SEO tags (or any custom field) from the All Posts page. Auto-detects SEO plugins & themes.
A simple plugin that adds rel=nofollow attribute to non-homepage Blogroll Links. Improves SEO while giving link love to your favorite sites.
Automatically shares new posts and pages on your Facebook timeline or on Facebook fan page.
Contains the SEO core of rankwise.net. Scan the website, individual pages and posts. Contains an authorship check and analyses for Google+ profiles.
Manage all your content.de texts directly from your wordpress-blog.
Keyword Optimizer plugin was developed so that important blog post keywords on a website could be optimized using the HTML strong, em, and u, tags.
This plugin will add Schema.org markup options for reviews.
OZ Canonical is a plugin which helps you to edit the canonical attribute easily and fast on all of your blog's pages.
Know your blog position in Google SERP
Applies basic search engine optimisations to your WordPress powered site.
Add embeddable, social content to WordPress
Simple and easy way to optimize your wordpress website for search engines and social media websites
Optimizes social share by inserting Facebook Open Graph, Google Plus/Schema.org, Twitter Card and Other Meta Tags in HTML source.
Create Ads with Google Adwords and Facebook Ads from WordPress!
Maximize and Perfect On-Page SEO. Its like Having an SEO Expert Optimizing Every Page in Your Site.
Comply with Webmaster Guidelines, save some bandwith and reduce server load with the If-Modified-Since header.