Client isn't paying? This will make the website slowly rotate until they do.
Download the Node.js Scripts (click here) found under cdp/ and put the cdp/ folder in the root folder of your website's source code (if you are using React.js or similar frameworks, put the js file it outputs in the static/ folder)
Run node clientdidntpay.js inside the cdp/ folder.
Follow the steps the CLI gives you and you will get a HTML code snippet to put in all HTML files.
Delete the cdp/ folder after you built the HTML code