> Putting this logic in the client is not feasible. You want to send requests directly to every shady site that shows up in your search results, load their page

> Putting this logic in the client is not feasible. You want to send requests directly to every shady site that shows up in your search results, load their pages in the background, work through network delays and HTTP errors, and parse out the location/format of the favicon files? I don't see why not. Browsers are constantly dealing with these very issues. It's one of their core competencies.