If you want more info, I beg you, no I implore you, to read SteveKrug's "Don't Make Me Think". They'll check the servers and hosting to make sure there's no downtime. They'll check robots.txt and meta tags to make sure it's not disallowing crawlers.
Directly in line with SteveKrug's manifesto, the solution was to stop making our customer's think, and make the button look like a button! The idea of spilt testing and conversion rate optimization are certainly not new, but there is a lot of room...
SteveKrug discusses this in his classic "Don't Make Me Think," which is a valuable read for all Webmasters and online marketers. What's the most effective ad you've ever come across? Think about this for a second.
Get to know how they view competitors and how your brand and site fit in.There are a ton of usability books out there; SteveKrug's "Don't Make Me Think" is a personal favorite of mine. Steve's book is great at making the topic approachable...