Technology · SSL/TLS certificate authorities
detected by AwesomeTechStack audits
About Let's Encrypt
Let's Encrypt is a free, automated, and open certificate authority.
How we audit Let's Encrypt
We measure the detected version against Let's Encrypt's release history and grade the surrounding stack with a Lighthouse-grade quality audit. Weak or outdated links weigh more - one risky dependency can pull the whole score down.
How the score worksAudit any site that runs Let's Encrypt.
Enter a URL to score its stack for technology quality, version health, Lighthouse performance - and AI-readiness.