Google Trends adds previous time period comparison
You can now quickly add a line to the chart to show previous time period comparison.
Google Trends now lets you quickly add previous time period data to your chart, so you can visualize how the Google Trends data compares to the same time period, the period before.
Google announced on LinkedIn, “You can now quickly compare a trend’s change against preceding periods directly within Google Trends.”
What it looks like. Here is a GIF Google shared of this in action:

How it works. Go to Google Trends, add a search term or topic to the search box. Then you will see “new chips” above your timeline, click on those chips to see the added data. These chips show percentage changes for various periods—whether you’re looking at Month-over-Month, Week-over-Week, or even specific Year-over-Year benchmarks. A single click overlays the historical comparison line onto your graph for instant visual context, Google explained.
Why we care. Google Trends can be a useful source of data for topics and keywords that may interest your content team or data marketing team. Knowing seasonal or trending data can be useful when planning your content strategy and marketing efforts.
This new feature gives you more historical perspective of this data.
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