Ridham

New Tab Redirect Plus will allow you to have your comment visitors links open in a new tab or window. In other words, instead of leaving your site completely when clicked, they will open in a new tab.
This plugin opens all the web links added in the footer comments URL, in a new tab or window which helps to decrease the bounce rate and increase user engagement on your wordpress blog.
Opens all the Web site links (URLs) added in the comments and author URL, in a new tab or window.
This will increase the likelihood that visitors will continue browsing your website.
Simple, fast, and effective!
<h4>Some of the features include:</h4>
*Open comment links in a new tab or the same tab 
*change a custom link’s destination with a redirect 
*Open WordPress Comment Links in New Tab/Window (add target=”_blank”) 
*Replace URL INTO Your Custom web URL 
*Works with http:// and https:// links 
*Simple, fast, and effective!

New Tab Redirect Plus

Stop any fake data sending visitors away - By default, Open WordPress Comment Links in New Tab/Window (add target=”_blank”) tab or window with: New Ta …

Peadig

rel=”external” is now the XHTML valid version that informs search engine spiders that the link is external. However, using this does not open the link in a new window. target=”_blank” and target=”_new” does this, but is not XHTML valid.
This very simple plugin adds a small JS file to your header to let this happen!
<ul>
<li><a href="http://pleer.co.uk/wordpress/plugins/rel-external/" rel="nofollow ugc">rel=”external”</a> plugin homepage.</li>
<li>More <a href="http://pleer.co.uk/wordpress/plugins/" rel="nofollow ugc">WordPress Plugins</a>.</li>
<li><a href="http://pleer.co.uk/wordpress/plugins/facebook-comments/" rel="nofollow ugc">Facebook Comments</a> Plugin</li>
<li><a href="http://pleer.co.uk/wordpress/plugins/wp-twitter-feed/" rel="nofollow ugc">Twitter Feed</a> Plugin</li>
<li><a href="http://twitter.com/alexmossSEO" rel="nofollow ugc">Follow @alexmossSEO on Twitter</a>.</li>
<li><a href="http://alex-moss.co.uk/" rel="nofollow ugc">Alex Moss</a>.</li>
<li><a href="http://pleer.co.uk/" rel="nofollow ugc">Pleer SEO</a>.</li>
</ul>

rel=”external” in a New Window

Opens a new window with rel="external" instead of having to use target="_blank" or target="_new"

New Tab Redirect Plus vs rel=”external” in a New Window