(August 1,
2018)"Medic" Core Update 

Google verified a “comprehensive core algorithm update," with
wide reports of massive impact. It rolled out over the span of approximately a
week, but peaked on August 1-2. This upgrade seemed to affect websites in the
wellness and health vertical, although large effect was seen in most verticals.

 (July 24,
2018)Chrome Security Warnings
(Full Site) 

After warning users of unsecured (non-HTTPS) forms weeks before,
Chrome 68 started cluttering all non-HTTPS websites as “not protected."
The modifications rolled out on July 24, but rely on users installing the
latest Chrome edition, which can take weeks or months.

 (July 21,
2018)Unnamed Update 

Algorithm trackers and web master chatter signaled heavy positions
flux, but Google did not confirm.

 (July 9,
2018)Mobile Speed Update 

Six months later announcing that it, Google rolled from the mobile
page rate upgrade, making page speed that a rank factor for mobile outcomes.
Google claimed this only affected the slowest mobile sites, also there wasn't
any evidence of major mobile positions shifts.

 (June 14,
2018)Video Carousels 

Google moved videos in organic-like results with thumbnails to a
separate video carousel, causing a shake-up in results that were previously
monitored as organic. At exactly the exact same time, the number of all SERPs
with videos increased somewhat.

 (May 23,
2018)Unnamed Update 

Algorithm tracking tools and web master chatter revealed
significant actions, but Google failed to confirm that an upgrade.

 (May 13,
2018)Snippet Length Drop 

After testing longer display snippets up to 300+ personalities for
a few months, Google rolled back-most snippets to the prior limitation (roughly
150-160 characters).

 (April 17,
2018)Unnamed Core Update 

Google affirmed a "core" upgrade, but didn't provide any
specifics and also the update wasn't termed by Google or the search engine
optimization community.&nbsp; (March 26, 2018)Mobile-First Index Roll-out 

Google announced
that the mobile-first indicator was finally “rolling outside " Since the
catalog was around testing for decades, and Google has indicated that they have
been visiting sites slowly, it's uncertain just how much impact this particular
roll out had on the total indicator. Analytics ought to start to find
notifications. (March 14, 2018)Zero-result SERP Test&nbsp; On a small group of Knowledge Cards, including a few time/date queries and unit conversion calculators, Google started displaying zero organic benefits and a "Display all results" button. Per week after, Google ceased this test, however we believe it's an essential indication of things to come. (March 08, 2018)"Brackets"Core Update&nbsp; Google affirmed a "core" update on March 7th, but earnings spiked as early as March 4th, with a second spike on March 8th, and lasted for two weeks. This may have been one prolonged, rolling upgrade or multiple updates. The "Brackets" name was commissioned by Glenn Gabe; no more details were provided by Google. (February 20, 2018)Unnamed Update&nbsp; Rankings revealed a spike in volatility (over quite a few&nbsp;applications)&nbsp;around February 20th, which immediately&nbsp;settled,&nbsp;sometimes&nbsp;signaling&nbsp;a concentrated algorithm upgrade. Google failed to confirm any upgrade within this period of time.

Google Algorithm Updates-2018

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