Type in your URL & see how it looks in these frames
then add your site

Rest the mouse over a link for a little description of the action
keep an eye on the status bar for little tips too.

If you put the LISTINGS PAGE in both frames,
You can type in your URL (on the TOP FRAME)
compare it to the sites in the listings pages (on the BOTTOM FRAME)
HIT THE LISTINGS LINK (in the top frame) to put the LISTINGS PAGE (in the bottom frame)
Then add your listing