Google's August 1st Core Update: Week 1

Ecompromo | August 9, 2018 | SEO Resources

Posted by Dr-Pete

On August 1, Google (via Danny Sullivan’s @searchliaison account) announced that they released a “broad core algorithm update.” Algorithm trackers and webmaster chatter confirmed multiple days of heavy ranking flux, including our own MozCast system:

Temperatures peaked on August 1-2 (both around 114°F), with a 4-day period of sustained rankings flux (purple bars are all over 100°F). While this has settled somewhat, yesterday’s data suggests that we may not be done.

August 2nd set a 2018 record for MozCast at 114.4°F. Keep in mind that, while MozCast was originally tuned to an average temperature of 70°F, 2017-2018 average temperatures have been much higher (closer to 90° in 2018).

Temperatures by Vertical

There’s been speculation that this algo update targeted so called YMYL queries (Your Money or Your Life) and disproportionately impacted health and wellness sites. MozCast is broken up into 20 keyword categories (roughly corresponding to Google Ads categories). Here are the August 2nd temperatures by category:

At first glance, the “Health” category does appear to be the most impacted. Keywords in that category had a daily average temperature of 124°F. Note, though, that all categories showed temperatures over …read more



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