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post by Todd Herman | | Closed

Google Posts Big ‘Search Quality Rating Guidelines’ Document, Says It’s Just The ‘Cliffs Notes’ Version Of The Real Thing


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Google Posts Big ‘Search Quality Rating Guidelines’ Document, Says It’s Just The ‘Cliffs Notes’ Version Of The Real Thing

We’ve seen Google’s search quality raters referenced numerous times, but now Google has made available the whole set of guidelines in one giant PDF for your perusal. The document is called “Search Quality Rating Guidelines,” and interestingly, it’s labeled version 1.0, and is dated November 2012. It was released as part of Google’s new “How Search Works” site.

“Google relies on raters, working in countries and languages around the world, to help us measure the quality of our search results, ranking, and search experience,” Google explains. “These raters perform a variety of different kinds of “rating tasks” designed to give us information about the quality of different kinds of results in response to different kinds of queries. The data they generate is rolled up statistically to give us within the Google search team a view of the quality of our search results and search experience over time, as well as an ability to measure the effect of proposed changes to Google’s search algorithms. Raters’ judgments do not directly impact Google’s search result rankings. While a rater may give a particular URL a score, that score does not directly increase or decrease a given website’s ranking. Instead these scores are used in aggregate to evaluate search quality and make decisions about changes.”

In the preface of the document, Google notes that the document itself is not the entire version that raters actually use on a daily basis, but rather a “Cliffs Note” version.

“The raters’ version includes instruction on using the rating interface, additional rating examples, etc.,” Google explains. “These guidelines are used as rating specifications for search raters, and this document in particular focuses on a core type of rating task called ‘URL rating.’ In a URL rating task, a rater is shown a search query from their locale (country + language) and a URL that could be returned by a search engine for that query. The raters ‘rate’ the quality of that result for that query, on a scale described within the document. Sounds simple, right? As you’ll see, there are many cases to think through, and this document is used to guide raters on some of those cases and how to look at them.”

In a Webmaster Help video released this past October, Matt Cutts also discussed the quality raters’ “impact” on algorithms.

Here’s another one they put out in May talking about how Google uses the human raters:

Todd Herman (1451 Posts)

With over 18 years behind his finger tips and a rock solid degrees in LAN/WAN Networking and Marketing Management backing Todd up, he leads his Canadian team of Senior SEO's that turn SEO intelligence into convertible sales. He is author of "Billion Ranking Results" described as "the SEO book that will change the way we convert." more


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