7 Effective Steps to on TOP of Yahoo SERPs:

1. Quality Content is still the King for SE Rankings. Make it Fresh.

2. Make your website easy to use and easy to navigate. Avoid Javascript, Flash wherever necessary.

3. Include RSS feeds for your websites, if possible.

4. Gather good, relevant backlinks.

5. Focus on Article writing and submissions

6. Constantly update your website at regular intervals.

7. Repeat steps 1-7