If your URL is not of an unholy length, you should smack that on your photos to direct folks to your site and save the audience the trouble of Googling for the author.

Not everyone is going to care about the copyright metadata that is read by Photoshop. That can be stripped out, especially when you properly save the image for the web in Photoshop. Why Mr. Kelby did not take the 'Save for Web' function into consideration for online images is a mystery.