Knowledge Base

What Is an SSL Certificate and Why Does Your Website Need One?

When visiting a website, the padlock icon you see in the address bar indicates that the site has an SSL certificate installed. SSL (Secure Sockets Layer) is a technology that encrypts the data exchanged between a browser and a server, keeping that communication secure.

What Does an SSL Certificate Do?

Without SSL, data sent to a website, such as form submissions, passwords, or payment details, travels as plain text and can potentially be intercepted and read by malicious actors. An SSL certificate encrypts this data, making it unreadable to anyone who intercepts it.

The Difference Between HTTP and HTTPS

A site with an SSL certificate installed shows https:// instead of http:// in its address. The extra s stands for secure. Modern browsers now flag sites without SSL certificates with a Not Secure warning.

Other Benefits of an SSL Certificate

• Search engine ranking: Google gives a ranking advantage to sites that use HTTPS.
• User trust: Visitors are more likely to trust a site when they see the padlock icon.
• Data integrity: It ensures transmitted data has not been tampered with along the way.

Types of SSL Certificates

Domain Validation (DV) certificates are the fastest and most common type, verifying only domain ownership. Organization Validation (OV) and Extended Validation (EV) certificates go further by verifying company identity, offering a higher level of trust, and are commonly used by e-commerce and financial sites.

Whether you run a personal blog, a corporate site, or an e-commerce platform, having an SSL certificate today is a basic requirement for both security and a good user experience.

Frequently Asked Questions