By doing Seo, On-page and Off-page techniques
If you are looking for leads better to go display ads.

Some of the following tips used to increase the page rank are:
1. High-Quality Content
2. Site Submitting
3. Guest Posting
4. Link Exchange
5. Commenting On Other Blogs
6. Social Bookmarking
7. Website Accessibility
8. Using Commonly Searched Keywords
9. Website Advertising
10. Create Multiple Pages
11. Participate In Forums
12. Using Signatures
13. Never Use Illegal Tactics

By doing proper and good SEO work you surely can improve your serps.