‘The Colossus Update: Waking The Giant’ – MOZ Blog
Dr. Peter J. Meyers says, “Unfortunately, trying to determine how the algorithm changed from looking at individual keywords (even thousands of them) is more art than science, and even the art is more often Ms. Johnson’s Kindergarten class than Picasso. Sometimes, though, we catch a break and spot something.
The First Clue: HTTPS
When you watch enough SERPs, you start to realize that change is normal. So, the trick is to find the queries that changed a lot on the day in question but are historically quiet. Looking at a few of these, I noticed some apparent shake-ups in HTTP vs. HTTPS (secure) URLs. So, the question becomes: are these anecdotes, or do they represent a pattern?“.
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