Google Trends: Recognize topic potential and better read search interest

How Google Trends works, what it is useful for and where typical misinterpretations arise.

With Google topics, it rarely helps to know only buzzwords. It is important to understand the principles behind it and to derive concrete test and optimization steps from them.

Briefly explained • Last updated: 30.03.2026 • Reading time: about 6 minutes.

How Google Trends works, what it is useful for and where typical misinterpretations arise. This wiki page arranges the topic practically and shows, When priority arises, which mistakes are often and how you derive concrete measures from them.

Example: A seasonal product reaches the index value 100

A trend curve for “Advent calendar” rises to 100 in November. This value denotes the relative peak of the selected evaluation, not 100 searches. Compare the same time period, region, and search type before evaluating two curves against each other.

For planning, the recurring seasonal pattern helps. It does not replace a sales forecast and an absolute search volume measurement. Also, check if you have selected a search word or a theme summarized by Google.

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