Check'em All is a tool for checking websites for broken links and other issues. It checks a website for broken links and issues. 

The extension icon on a website will open the Check'em All app in Chrome. To start the check, click on the extension icon on the website to be checked.

Enter the page to be initially checked and the URL to be recursively checked. The maximum number of recursive depths is the number that will be specified.

If the site has been checked, a button will appear, which allows the user to start the next check.

This tool uses the recursive algorithm for checking and finding broken links.