Here are some tools to use to check your web site:

Website Reputation Checker

How Fast Does Your Website Load? Try Sucuri Load or GT Metrix.

Online tools for developers: beautify your CSS, check and test your code.

Measure your website.

Security Tools

Sucuri - scan your website for malware

VirusTotal - check a URL before you visit

SiteGuarding - run a virus check on your website

Other Tools

Check if an IP address is blacklisted using blacklistalert.org.

Secure Email - complete email test tools for email technicians

Privacy Tools

Find more in the book of secret knowledge.

VirusTotal - Analyze suspicious files and URLs to detect types of malware, automatically share them with the security community 

This page contains information I gathered and thought were very useful. See more tools.

Just to let you know, this page was last updated Saturday, Sep 18 21