Answering Common Questions About Interpreting Page Speed Reports
Smashing Magazine
OCTOBER 31, 2023
And when discussing the two types of data, we’re actually talking about what is called real-user monitoring , or RUM for short. For example, the data is pretty slow to update, refreshing every 28 days, meaning it is not the same as real-time monitoring. Type 1: Observed Data Observed data is performance as the browser sees it.
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