On page-
Make SEO friendly URL, easy to understand meat title and description.
Make website user friendly and responsive
improve loading speed minimum 2-3 sec.
Add effective, unique, easy language, content in each pages
Add good quality images with alt tags
Complete all SEO factors and never add external link to your site only social pages.
Off Page
Create most business brand pages, business listing back links
Must create social brand pages
competitors analysis
great quality content share
This is some basic strategy to follow and get awesome tone of website ranking.