Here are the 7 Deadly Sins that most web business owners commit when designing their site. Failure to submit each page to the search engines on a regular basis. The greater the number of pages in your site that are spidered, the better the chance that your buyers will find you. You need to know how to pick a domain name, and how many times to include your key words within your site. Just adding meta tags will not earn you a number one ranking.