Full page cache extensions offers the best possible way to increase the speed of your Magento 2 website. Such modules automatically generate and deliver a page to a visitor who is on that page for the first time. The copy of this page is saved to cache. As a result, all pages of your Magento 2 website get cached copies which the system uses instead of generating new pages from scratch. Thus, full page caching reduces database and server loads and decreases page load time, so don’t hesitate to use Magento 2 full page cache extensions.
The following full page cache extensions are already available for Magento 1.X:
And since full page cache is available in Magento 2 by default, it is only necessary to install a warmer to achieve the maximum productivity. The most reliable solutions are gathered here: Magento 2 Full Page Cache Warmers / Crawlers.