Trust, but Verify - Ronald Reagan
There are three big indicators that tell you a lot about the effectiveness of your web strategy.
Keep a log in a spreadsheet with a chart to illustrate the trend over time.
Visit PageRank Checker (opens a new window or tab) for a quick determination of the current Google PageRank of any page on your website. It's quick, but only gives you PageRank.
Go to Website Checker (opens a new window or tab) to get an overall summary of the condition of your website.