SSL certificate monitoring
Never let a “Not secure” warning scare a customer away.
SiteRadar watches the security certificate behind the padlock in the address bar. You get reminders well before it expires, and an alert if it ever stops working.
shop.example.comValid
Expires in
28 days
06 Dec 2026
First reminder
21 days
before expiry
Redirects to https
http://shop.example.com → https
HSTS header
Set on the home page
21 dReminders start 21 days before expiry, then daily.
What you get
Everything SSL certificate monitoring covers.
Expiry date
Days left, counted down on your dashboard.
Valid and trusted
If the certificate has expired or cannot be trusted, the check fails and you are alerted.
HTTPS redirect
We check that visitors on http:// are sent to the secure address.
Security headers
We check settings such as HSTS that keep the connection secure.
Reminders and alerts
By email, Slack or Teams, to you and your team.
In your report
Days left appear in every monthly report.
Who it is for
Built for whoever looks after the website.
Works well with
See what each plan includes One radar for the whole website.
Put your website on the radar.
Add your first website in about ten minutes. Every feature on this page works from day one.