CA Signed Certificate vs Let's Encrypt

Developers should use CA signed certificates when deploying web applications, APIs, or any service requiring secure HTTPS connections to ensure data privacy, authentication, and compliance with security standards meets developers should use let's encrypt when they need to implement https on websites or web applications quickly and at no cost, especially for personal projects, small businesses, or development environments. Here's our take.

CA Signed Certificate

Nice Pick

Developers should use CA signed certificates when deploying web applications, APIs, or any service requiring secure HTTPS connections to ensure data privacy, authentication, and compliance with security standards

Pros

• They are critical for e-commerce sites, login systems, and sensitive data handling to build user trust and avoid browser security warnings
• Related to: ssl-tls, public-key-infrastructure

Cons

• Specific tradeoffs depend on your use case

Let's Encrypt

Developers should use Let's Encrypt when they need to implement HTTPS on websites or web applications quickly and at no cost, especially for personal projects, small businesses, or development environments

Pros

• It is ideal for automating certificate issuance and renewal in DevOps workflows, such as with web servers like Apache or Nginx, to ensure continuous security without manual intervention
• Related to: ssl-tls, https

Cons

• Specific tradeoffs depend on your use case

The Verdict

These tools serve different purposes. CA Signed Certificate is a concept while Let's Encrypt is a tool. We picked CA Signed Certificate based on overall popularity, but your choice depends on what you're building.

The Bottom Line

CA Signed Certificate wins

Based on overall popularity. CA Signed Certificate is more widely used, but Let's Encrypt excels in its own space.