Google officially releases search enginer rater quality guidelines!

[cheat_master30]

It's been leaked online before, but now the company has officially released the guidelines used by its site 'raters' (read, those who evaluate the search results by testing the search engine) for public use!

Here's the announcement:

http://googlewebmastercentral.blogspot.co.uk/2015/11/updating-our-search-quality-rating.html

And here's the download:

http://static.googleusercontent.com...s/assets/searchqualityevaluatorguidelines.pdf

So yeah, could be useful.