Topics: 
- What is SEO?
- Why is SEO Important?
- SEO Considerations
- Top 7 Search Engines
- Top 7 SEO Analytics Tools
References:
- What is SEO and how can it grow my business? https://www.gobellmedia.com/what-is-seo-and-how-can-it-grow-my-business
- The Definition of SEO in 100 Words or Less [FAQs] https://blog.hubspot.com/marketing/what-is-seo
- When #1 Isn't Good Enough (for Google) Anymore https://blog.hubspot.com/news-trends/blog-traffic-and-snippets#LINK2
- The Top 7 Search Engines, Ranked by Popularity https:// blog.hubspot.com/marketing/top-searrch-engines
- 14 of the Best SEO Tools for Auditing & Monitoring Your Website in 2019 https://blog.hubspot.com/marketing/seo-analysis-tools
