Next to regular searching with Google, the most important search tool I use is an Add-on to my Firefox browser. It is called Site Searcher for Firefox.
I use it to audit websites for content related to articles and blog posts I find with Google.
To demonstrate, let's use it to inspect content on Inside Urban Green. Note that IUG has a built in Google site search feature (to the left) but not all sites have one or use Google, the most trusted name in search.
Unlike hyperbolic prose on some sites, site searches do not lie. They reveal all! Every article, every blog post, every image is there to see in a matter of minutes. It does not take long to audit a website for its content on any subject of interest. Let's go!