SSL
Why does my SSL certificate show as invalid?
An SSL certificate may show as invalid if it has expired, was issued for a different domain name, is missing ... continue reading
SSL • Updated April 21, 2026
How do I force my website to open with HTTPS?
To force your website to open with HTTPS in Plesk, log in to Plesk and open Domains or Websites & ... continue reading
SSL • Updated April 15, 2026
How long are Let’s Encrypt SSL certificates valid?
Let’s Encrypt SSL certificates are valid for 90 days*. This short lifespan is by design to limit potential damage from ... continue reading
SSL • Updated April 5, 2026
What are the potential risks if my website doesn’t have SSL?
Without SSL, data transferred between your website and its visitors is not encrypted, making it vulnerable to interception by malicious ... continue reading
SSL • Updated April 5, 2026
How do I use Let’s Encrypt in Plesk?
To use Let’s Encrypt in Plesk, your server must have the SSL It! and the Let’s Encrypt extensions installed first. ... continue reading
SSL • Updated April 5, 2026
How do I install an SSL certificate in Plesk?
To install an SSL certificate in Plesk, log in to Plesk and open Websites & Domains for the domain you ... continue reading
SSL • Updated April 5, 2026