There’s 2 ways to approach SEO, and that’s through on-site & off-site optimization.

On-site optimization methods include

• Adding good & original content
• Structuring the content
• Structuring the data & HTML
• Using Metadata
• Entice visitors engagement

Off-site optimization methods include

• Backlinks on Websites / blogs
• Backlinks on Social media
• Backlinks on directories, lists and press releases
• Having a Newsletter

Read more here:

Hit the SEO Road Part 1 – On-Site Optimization

Hit the SEO Road Part 2 – Off-Site Optimization