Content by WilliamGMBE in February, 2026

That is an interesting point. Can see how that could be another possible reason.

Oh yes, agree. Our sample size here is small, but the data is very clear about it. We also see that some categories search ranking increased a lot when added, while some new categories added did make that much of the difference. Like the graph below in the experiment, on phase 2 we added...

Thank you to everyone who responded here and reached out to volunteer. We have not finished the study, you can find it here: Category Dilution

Wanted to share a study we did about category dilution. A common question we had from our customers is whether adding categories hurt my current ranking, or will adding new categories bring more traffic? We did a study, you can find it here: Category Dilution Study We have included the raw...