MacUpdate appears to be an aggregator site for updates to mac software.
Quoted from the MacUpdate site.
About MacUpdate - #1 on Google when searching for "macintosh software."
Note: This is a direct quote, the only thing we have changed is to italicize the quote to ensure it is understood we have quoted an external source, as per modern netiquette. Note: clicking on the link that was found on this website will show the inaccuracy of the quote.
The quote was found at http://www.macupdate.com/about.php
Further down the page you will find the following quote:
4. Fewer banner ads
It is interesting to note that this quote is below both a banner ad, and an internal advertizement photo to sell MacUpdate t-shirts.
Draw your own conclusions on this one.
Rotsky - Pet Peeve