I HAVE MIGRATED MY HTML WEBSITE TO WORD PRESS AND I LOST ALL MY ORGANIC TRAFFIC NEED HELP TO SOLVE MY PROBLEM

I HAVE MIGRATED MY HTML WEBSITE TO WORD PRESS AND I LOST ALL MY ORGANIC TRAFFIC NEED HELP TO SOLVE MY PROBLEM , I DON’T KNOW HOW TO SOLVE THIS …. IMMEDIATELY AFTER MY MIGRATION I LOST MY TRAFFIC NOW I DON’T HAVE ANY TRAFFIC IT IS ZERO