Each web service rates the link that has been analyzed. This ranges from low risk to high risk websites in the Safety category, safe, suspicious or unsafe in the Kid Safe category or very good and very bad in the Ethics category. A total of eight different services are queried in the safety category including Site Advisor, Google Safe Browsing or Norton. The other two categories make use of three services each like WOT, Icra or Corporate Critic.

There are various additional information which are mostly webmaster related like displaying the Pagerank, the age of a website or Alexa status. Link Extend comes with its own toolbar and integrates itself in the right-click context menu. This means that the toolbar is not needed to use the Firefox extension. One interesting option that is available in the program’s settings is the ability to hide websites from search results if they have been rated.