Sucuri SiteCheck is a service that allows you to check any website for security issues. It detects various types of malware, SPAM injections, website errors, disabled sites, database connection issues, and code anomalies that require special attention.

The best thing about it is that it’s completely free to use. That means that you can check as many websites as you like without spending a penny.

In order to use the service, install the Chrome Extension.

Features:

Check as many websites as you like for free.

Detect blacklisting and security issues of all sorts.

Check as many websites as you like, no sign-up is required.

No additional software to download.