I looked and wondered why your site shows so many available campsites available in Yosemite Valley. Normally they're gone within minutes of when they become available online. Or are you not yet connected with the concessionaire which runs the reservation system?

Otherwise I can't say much since I rarely car camp.

Once your site is out of beta status, please check with Packlite, the owner of this site, as to what you need to do to comply with site rules on advertising.. In the meantime, I hope that some of our northern California folks here will give you more feedback.