About Google Reading Level
Jean-Philippe Magué told me there was a Google advanced search filter that checked the result pages to give a readability estimate. In fact, it was introduced about seven months ago and works to my knowledge only for the English language (that’s also why I didn’t notice it).
Description
For more information, you can read the official help page. I also found two convincing blog posts showing how it works, one by the Unofficial Google System Blog and the other by Daniel M. Russell.
The most interesting bits of information I was able to find consist in a brief …
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