I’ve heard good things about Zenni Optical, but what a bad time for the Googlebot to attempt to crawl the site. If your business depends on website uptime, you need to have a complete duplicate of the site on a separate server and a separate development environment (sometimes these can be the same, so two copies instead of three). The whole point is to minimize downtime during maintenance windows. Bad luck for Zenni. (Click to enlarge, etc.)

Busiess Week Article: Web Design Horrors: the most egregious of these involve your domain being “held hostage” by a developer who registered the domain in their own name rather than their client’s. As an ISP owner and domain reseller, I saw this too often, and we sometimes had to intervene to help “victims” recover their domains.