You can install Optinly on your custom website by following the below mentioned steps.
Step 1: Choose a plan that works for you from Optinly’s pricing page. You’ll be redirected to app.optinly.com.
Sign up using your desired email address and password.
Step 3: After entering your domain name, you’ll be asked to choose your website’s platform.
Step 4: Head back to your website and paste the copied script code in your root index.html file within the body section.