Clickx uses the user agent, Deepcrawl 2.0, to view any potential problems on your website. A user agent is a software that acts as a user on your behalf evaluate all of the information on your website. It reports information about the web browser and operating system to improve website stability. The user agent, Deepcrawl, is a tool that crawls from Google to see exactly how things would appear on a Google search to understand any potential issues with your website.