If you are familiar with SEO you should know how important ‘nofollow’ links are. They play significant role in on-site and off-site SEO. All of the external links placed in your wordpress website are ‘dofollow’ by default. Instead of checking every link manually you could use a plugin for wordpress which would automatically make all of the external links ‘nofollow’. The plugin you could use to achive that is ‘External Links’. If you don’t want all of the links to be ‘nofollow’ simply go to settings and add a domain to exclude section. Click here to find out more.