#1 Website SSL Checker
Verify SSL certificates for any domain instantly
Verify SSL certificates for any domain instantly
Learn about SSL certificates and why they're essential for website security
SSL (Secure Sockets Layer) certificates are digital certificates that authenticate a website's identity and enable an encrypted connection. They create a secure link between a web server and a browser.
There are several types of SSL certificates available, each offering different levels of validation and security.
SSL certificates play a crucial role in website security and user trust. Here's why they matter:
Our SSL checker examines multiple aspects of a website's SSL certificate to ensure it's properly configured and secure.
SSL certificates can have various issues that affect their validity and security. Here are some common problems:
If our checker identifies issues with your SSL certificate, here's how to resolve them:
It's good practice to check your SSL certificate at least once a month, and definitely a few weeks before its expiration date to allow time for renewal.
SSL is the older protocol for encrypted connections, while TLS (Transport Layer Security) is the modern, more secure version. Today, what we commonly call SSL is actually TLS.
As of 2020, SSL certificates can't be issued for more than 13 months (397 days). Most certificates are valid for one year and need annual renewal.
No, SSL certificates are issued to fully qualified domain names. You need a registered domain to get an SSL certificate from a Certificate Authority.