Calculate Ad Density with this Extension
Ad Density is a simple and user-friendly Chrome extension which allows you to measure the ad information of your web pages in a single click.
How do you use it?
Simply open this extension and press the 'Ad Density' button to start the measurements. You can switch between the full page and the viewport (if your browser supports it). You will also be shown the data of the page, as well as how many ads were displayed.
Note:
This tool will update in the background, but you won't be notified about it.