What is the current ranking(SERP) factors?

Content marketing, Link Building and On Page Optimization

the niche of site should be correct then the content of the website should be unique.

On Page with good quality content.

quality content and Onpage Optimaization

On page optimization and good backlinks.

Link building activity and Onpage Optimization.

On page Optimization and relevant content .

Link building activity and Onpage Optimization.

Content is king
Link building activity and Onpage Optimization.

thank you @Ashish ... ok will research on that

Now a days, ranking SERP factor is depend on major 3 things that are mentioning below-

1. Content - which is king
2. Back links - should try to get much back links but remember, these should be quality back links.
3. Rank Brain - This is a Google Algorithm, major ranking factor depend on rank brain.

Link building activity and Onpage Optimization.

Thank you to All.... but these are continuous work apart from that any new...?

Link building activity and Onpage Optimization.

Link building activity and Onpage Optimization.

Link building activity and Onpage Optimization.