It is a Free, Automated and Open Certified Authority that is brought to you by the nonprofit Internet Security Research Group (ISRG). Let’s Encrypt mission is to create a more secure and privacy-respecting Web by promoting the widespread adoption of HTTPS.
Pros
- Let's Encrypt SSL certificates are FREE.
- Let's Encrypt only provides a normal SSL certificate, which is called a Domain Verified SSL certificate.
- Let's Encrypt allows only 90 days to validate where you need to reissue a certificate every 90 days.
- Let's Encrypt is highly recommended to regular informative or blogging websites. There's no risk involved using any of the SSL/TLS Certificates.
- Let's Encrypt SSL certificates can be used to protect a single domain, all the subdomains.
cons
- Let's Encrypt does not offer EV (Extended Validation) and OV (Organization Validation) SSL.
- Community-based support.
- You cannot protect E-commerce portals using these free certificates.
- Let's Encrypt SSL certificates do not provide any warranty.