Getting subscribers could be one of your easiest goals to accomplish.
Those of you that use Google Webmaster Tools, good news! They are now graphing top search queries, revealing clickthrough ratios.
Keep notes on changes made. I made a change to my site that I believe was a rock solid good idea. It turned out to be a dud, having a negative impact on my site.
It appears Google Analytics now supports annotations for all accounts. At least for mine.
Google is now slowly releasing the Annotations feature for their analytics.