Need someone to speed-up and optimize my wordpress based website

Hi there.

My website is a wordpress installation , i have installed a premium theme from themeforest..i have included the details herein

But the issue i found is that the site is taking a lot of time to load and render , i need a soultion for the same..

The deails of my site and theme are given below.

website-----https://www.positivehealth.solutions

theme---https://themeforest.net/item/blo-corporate-business-wordpress-theme/24219257

interested parties can apply

Regards
prem