Google has upgraded its evaluation bit structured information guidelines to say the author name of the reviewer should be less than a 100 characters. If it is longer than 100 characters your page will not be qualified for an author-based evaluation bit, Google said.You can discover the upgrade to the docs over here where Google composed under the author home “The reviewers name need to be a legitimate name. For instance, “50% off up until Saturday” is not a valid name for a customer.” Google included here “This field needs to be shorter than 100 characters. If its longer than 100 characters, your page will not be qualified for an author-based review bit.”I guess Google is seeing spammy long names being used in the author name fields as a way to possibly influence and set off a greater click through rate from the search results?Forum discussion at Twitter.

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