SEO Smart Links

It also allows setting up custom keywords and set of matching URLs.

SEO Smart Links also allows webmasters to set a nofollow attribute and open links in new window if needed.

The plugin is recommended for SEO experts only.

Installation:

Unpack and upload it to the /wp-content/plugins/ directory.
Activate the plugin through the 'Plugins' menu in WordPress.

What is new in this release:

• Fixed load on save post.

What is new in version 3.0:

• Major update of the code
• Fixed all reported bugs
• Performance improvements
• Many new features

What is new in version 2.7.5:

• Load Custom keywords periodically from a URL.

What is new in version 2.6:

• Added feature to generate only one link per target URL.

What is new in version 2.5.2:

• Added Prevent duplicate links for custom keywords options.

What is new in version 2.4:

• Added LIMIT 2000 to most queries, should speed things up on large sites.

What is new in version 2.2.2:

• Readme file consolidated

Requirements:

• WordPress 2.3 or higher