Lets Encrypt is a free SSL certificate service provided to web hosts to allow users to install and certify their websites with an SSL certificate from the CPanel menu. Anyone who owns a domain can use the free SSL service to issue a certificate and create a trust zone for their website. The service is great for beginner web designers who are looking at providing their first layer of website security to their new site.
Google has reported that SSL certificates hold a huge benefit to search engine optimisation. Therefore as a free service it is strongly recommended that you take advantage of this offer.