GoingUp! is a free web-based website statistics service with powerful SEO features.

The service has a slick Ajaxed interface & offers a complete analytics package with web stats, referring keywords, action/goals & more.

SEO features are:
- Inbound Link Monitoring
- Google Page Rank Tracking
- Alexa Rank Tracking
- Keyword Research
- Keyword Position Tracking
- Page Optimizer Tool
- Keyword Density Tool

The service also has some other free SEO tools like "bulk domain analyzer" or "link & SEO optimizer" which can be used directly without the need of signing up.