Optimise external links for search endgine (SEO) with ExLink_XH plugin.
The ExLink_XH plugin is a very simple approach to external links optimisation for search engine (SEO), adding icons to links to external websites addresses and showing confirmation pop-up. It is a purely javascript/jQuery implementation, so the icons are only shown to users that have JavaScript enabled.
Features
Demo & downloads from ExLink_XH web-site
Project page on GitHub