Google Algorithm updates 2018

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Google Algorithm updates 2018
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2018 Updates
"Medic" Core Update    August 1, 2018
Google confirmed a "broad core algorithm update,"
with wide reports of massive impact. It rolled
out over the period of about a week, but peaked
on August 1-2. This update seemed to
disproportionately affect sites in the health and
wellness vertical, although large-scale impact
was seen in all verticals.
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Chrome Security Warnings (Full Site)    July 24,
2018
After warning users of unsecured (non-HTTPS)
forms months earlier, Chrome 68 began marking all
non-HTTPS sites as "not secure." The changes
rolled out on July 24, but rely on users
installing the latest Chrome version, which can
take weeks or months.
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Mobile Speed Update    July 9, 2018
Six months after announcing it, Google rolled out
the mobile page speed update, making page speed a
ranking factor for mobile results. Google claimed
that this only affected the slowest mobile sites,
and there was no evidence of major mobile
rankings shifts.
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Video Carousels    June 14, 2018
Google moved videos from organic-like results
with thumbnails into a dedicated video carousel,
causing a shake-up in results that were
previously tracked as organic. At the same time,
the number of SERPs with videos increased
significantly (60 in MozCast).
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Snippet Length Drop    May 13, 2018
After testing longer display snippets of up to
300 characters for a few months, Google rolled
back most snippets to the former limit (about
150-160 characters).
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Mobile-First Index Roll-out    March 26, 2018
Google announced that the mobile-first index was
finally "rolling out." Since the index has been
in testing for many months, and Google has
suggested they are migrating sites gradually,
it's unclear how much impact this specific
roll-out had on the overall index. Webmaster
should begin to see notifications within Google
Search Console.
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Zero-result SERP Test    March 14, 2018
On a small set of Knowledge Cards, including some
time/date queries and unit conversion
calculators, Google started displaying zero
organic results and a "Show all results" button.
A week later, Google stopped this test, but we
believe it is an important sign of things to come.
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"Brackets" Core Update    March 8, 2018
Google confirmed a "core" update on March 7th,
but volatility spiked as early as March 4th, with
a second spike on March 8th, and continued for
almost two weeks. This may have been multiple
updates or one prolonged, rolling update. The
"Brackets" name was coined by Glenn Gabe no
details were provided by Google.
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