There are several ways to publish your dives online on a webserver. Here are the easiest ways:
Dilogs.com is an online community for scuba divers. You'll get an online logbook, dive site maps based on Google Maps and Google Earth, and more. Diving Log has a special desktop client application which can access the dilogs database. So you can upload your dive data very easily into your online logbook and search the dive site database and download dive site data into your own logbook. Read more ...
Divelogs.de is a website where you can register a free online logbook. You can export your dives from Diving Log into the UDCF format and upload them to divelogs.de.
Your online logbook can be private or public and included via iframe into your own website.