WP Rocket is the most powerful caching plugin in the world. Use it to improve the speed of your WordPress site, SEO rankings and conversions. No coding required.
More info about plugin from developers – https://wp-rocket.me/features/
It’s possible to receive it for FREE – all you need is to migrate your website to WP Engine hosting. After the migration contact us and we will send you plugin or coupon with 100% discount.