Today you're going to make sure that all of your links actually point somewhere -- no dead ones.

If you have a bunch of links you can use the following tool to check them.

http://home.snafu.de/tilman/xenulink.html

Also you're going to add this to your "To Do" list to do monthly.

Also personally visit the links on your links page - any with a PR of zero - or that have changed their content remove them from your list.