While doing my 30DC key phrase research using ‘male yeast infection’, first thing that I noticed is a big disproportion in GTrends when comparing ‘male yeast infection’ with a know phrase that is rated No1 in Google.
Compared to a different, lower volume No1 key phrase it became even more confusing.
The first comparison

Looking at this graph you might think that the concurrent keyword has more or less the equal number of visits per day as ‘male yeast infection’ that is somewhere around 550. But in reality, on a good day it has 60, and on a bad day only 15 visits a day! We are talking HUGE difference here, ten times less traffic.
The second comparison

Now, the second keyword delivers an average of 33 unique visitors daily. So when I checked In Languages two days ago, this is very important, red bar representing ‘yu midi’ keyword was 11, ‘male yeast infection’ defaults to 100, so ‘yu midi’ should get 11% of ‘male yeast infection’ clicks. That’s 60 clicks. It was getting 33. By the way, I’ll show you the way how to figure out the exact percentage of lower volume keywords against higher ones, in one of my next posts.
Now what’s interesting is this: While I went to google trends today to get snapshots for this blog post my ‘yu midi’ keyword gets only 5%. How about that! What this tells us is that the English bar calculation is based on clicks from last couple of days, and that ‘male yeast infection’ is highly influenced by thousands of thirty day challengers that are using it in last three days.
Here is the google analytics data for ‘yu midi’ keyword to prove that ‘yu midi’ keyword, however, didn’t change it’s traffic dramatically in past two days:

Note that the last graph value is current day that isn’t over yet.
Conclusion
With a possible fluctuation based on assumption that not all users will click on the No1 rated result for a specific search term, the conclusions are:
- Google Trends is highly unpredictable tool for data analysis of low volume level keywords
- ‘male yeast infection’ has obviously lost some credibility in the past three days
- use your own No1 rated keywords (or the ones you have access to) to calibrate Google trends
- Even then, don’t take results for granted
I would like to hear from you if you have done your similar research, because together we can calibrate Google Trends more precisely if we’d all share our results.
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