Please tell me which SEO factors can not in our control?

What is the difference between a do-follow and no-follow and how are they used?

Please describe the relationship between SEO and SEM?

What is the importance of SEO friendly url?

Why SEO is best for website Visibility and Branding

What are the external but effective factors which impact the ranking?

What is shared hosting?

How to improve website Page Authority and Domain Authority.

What is Google Sandbox?

What is keyword stemming?

What is Cross linking?

Could you tell me something about Googlebot?