MozCast Tracks Google’s Algorithm

MozCast Tracks Google's Algorithm

The Google algorithm is being tracked, by Mozcast. Mozcast tracks the “weather” patterns of the Google algorithm- the day-to-day changes in the Google algorithm. In 2018, Google “reported an incredible 3,234 updates — an average of almost 9 per day, and more than 8 times the number of updates in 2009.”

Every 24 hours, Mozcast hand-picks a set of 1,000 keywords and analyzes the top 10 Google organic results:

“Each day, we take the current top 10 and compare it to the previous day’s top 10 (for any given keyword), and calculate a rate of change or “delta”. Specifically, we use two metrics – called Delta 100 and Delta10 – which measure the change across the entire set of top 10 results. Then, we crunch Delta10 across all 1,000 keywords and multiply the resulting average by a fixed multiplier (currently, 28.0) to produce something that looks like a temperature (in °F). An average day is about 70°F.”

Hotter temperature means Google rankings have changed significantly in the previous 24 hours. Temperature levels are divided into five severity levels. Hot and stormy weather indicate a significant algorithm change. Every morning, data is updated at 7:30am Pacific Time and 5 days of data are available. Recent Google algorithm activity can be monitored at Google Algorithm Update History  and @mozcast offers a daily weather report.

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