1. Always use quality content.
2. Use do-follow link for link building.
3. High DA sites.
4. Website also has good organic traffic.
5. To the point On-page action.
A Secure and Accessible Website.
Page Speed (Including Mobile Page Speed)
Mobile Friendliness.
Domain Age, URL, and Authority.
Optimized Content.
Technical SEO.
User Experience (RankBrain)
Links
One of the best ways to increase your ranking in the SERPs is to build a portfolio of high-quality links that point back to your site. Create great content that others will naturally want to link to and reach out to related websites that may be interested in linking to your site.