Dave’s Information Marketing Blog A Transparent View Into One Adventure

One WordPress feature is automatic trackbacks (pingbacks) by other blogs powered by WordPress. I learned of my first trackback via a Google Alert. It’s a source of back links that may yield some traffic.

These trackbacks are tagged with the “nofollow” attribute so it won’t help Google Page Rank. WordPress 1.5 and above automatically assigns the nofollow attribute to all user-submitted links (comment data, commenter URI, etc). Source: WordPress Codex

In contrast, Blogger doesn’t support trackbacks.