The final tactic is make sure your SEO house keeping is done: 

  1. HTTPS - Read about all the benefits to move to HTTPS
  2. PageSpeed on Desktop and Mobile - Learn how to use Google's PageSpeed Insight Tool
  3. Avoid 404 or 5xx errors - Understand HTTP Status codes
  4. UX - Learn more
  5. Structured data - What is it?
  6. Bonus: Google Ranking Factors.