SEO - Free Analytics Tools
These tend to be limited in feature set and give themselves sitewide links on your site, or require you to trust giving a major search engine like Google virtually all your marketing data.
Google Analytics - Google Analytics has been re-designed to help you learn even more about where your visitors come from and how they interact with your site. Discover. Share. Act. - The new Google Analytics makes it easy to improve your results online. Write better ads, strengthen your marketing initiatives, and create higher-converting websites. Google Analytics is free to all advertisers, publishers, and site owners.- Google Website Optimizer - allows you to A/B split test landing pages and track how well Google AdWords traffic converts.
- Microsoft adCenter Analytics - not publicly launched yet, but accepting invite requests.
- Piwik - open source web analytics program
- Site Meter - starts off as free, but charges for advanced features
- Stat Counter - starts off as free, but charges for advanced features and bandwith usage.
- Webalizer - default log analyzer on many servers.
- Analog - default log analyzer on many servers.
- Awstats - another popular default log analyzer on many servers.