In SEO point of view, Google wants a quality content this is really important

For google,ON page and off page optimization are important.On page refers to follow the guidelines of google like title,description,headings etc..,Off page refers to give strong back links

If we talk about seo then there are two of seo strategy one is on page seo and second is ofpage seo ....but for google content is important of your website, its depend upon you choose onpage seo or offpage seo..........

Content is king, then follows millions of other things :)

Back links and unique content

On-site optimization is more important. On an average on-site optimization play 95% role and off-site optimization role is only 5%

On-site SEO and quality content is important.

Google is the important search engine you can use it.

Avoid Black Hat SEO
Relevant&Fresh Content
Site speed
Keyword Strategy
Active Social Presence