Web.Contents(), Caching And The ExcludedFromCacheKey Option In Power BI And Power Query

When you’re using the Web.Contents() M function to call a web service from Power Query or Power BI, you don’t necessarily get one HTTP request each time you call the function: some caching takes place, so that if you make the same request multiple times your query won’t waste time asking for the same data over and over.

Bron : Tobias Fenster
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