Glenn Gabe says, “It’s not often that Google announces an algorithm update in advance. But when they do, not only can webmasters prepare for that update, we can also track its rollout once Google pulls the trigger. That provides a rare opportunity to gauge the impact of the algorithm update and determine what its effects are.That’s exactly what I’ve been doing since January 10, 2017.In August of 2016, Google announced that they would be rolling out an update on January 10, 2017, that could impact URLs employing intrusive mobile popups or interstitials. For example, if a URL presented... [...]