SiteSonar от Francesco Polizzi, asa2

The Site Sonar browser extension is a tool for benchmarking on-page ad performance as you browse. By default, it crowd sources this data to our public dashboard (site-sonar.com/dashboard ), helping put an end to bad ads. Additionaly, you can use the performance tool to profile your own website or the overview dashboard to see how much memory ads take up in your everyday browsing.

Site Sonar is a project aimed at public benefit through a pragmatic approach to identifying the good and bad players in Ad Publishing on the internet. We believe that the Open Web should mean equal access; something that can be attained through tools for developers to make better decisions for their users and the web. As such, we also care about your privacy and will never attempt to personally identify you. Site Sonar collects a subset of your browsing data to do its job (unless you opt out), so be sure to check out our privacy policy.