Here are the main symptoms of a hacked website that require a website legitimacy checker: - Your website URL takes you to a spammy domain - Your visitors see malware warning after your website is loaded - Notification from Google Console that your website has been hacked - Display of ads on your website - Your customers complain about credit card data leak - Unusual spike in traffic If you notice any of these signs, you must act quickly. Make website safety check as soon as possible and protect your business from different kinds of threats.