webnoise
Links unrelated to your search that dominate your Google results because your search term has another, more obscure meaning. The latter is usually a personal or brand name, a porn slang term or the pseudonym of an extremely prolific blogger.
I'm doing research on the bird group known as Corvida, but since a woman who calls herself Corvida Raven started her own network, 90 percent of my search results turn out to be webnoise.