In Piwik Pro’s default System Dashboard about Website performance, there is the “Page Generation Time” metric (and it shows the dreaded average, which leads to nothing but confusion at clients because single peaks because of single weird browser behaviour lead to extreme(ly irrelevant) peaks in the …

Does nobody, not even Piwik Pro themselves know anything about this?

Difference Page rendering time and Page generation time PiwikPro reports handle these pagespeed values: In the report Pages i can select Pagespeed and then I see the Average page generation time value. But in the report Website performance/Page timings the metric Average page generation time is …

Thanks, I do so too, but it can’t be that nobody from Piwik Pro can explain what this cryptic metric is measuring…

Hi, Page Generation Time is a legacy metric calculated in Piwik PRO’s JS Tracker, which reminds good old times of Piwik open source. Since the introduction of website performance metrics a few years ago, I recommend using them instead. These metrics utilize the Navigation Timing API provided by th…

Thanks a lot. So if Page generation time is a legacy metric, then remove from it the default Website performance dashboards that are shipped with every new Piwik Pro account, it just confuses people. It is also interesting that nobody at Piwik Pro seems to know how “Page Generation Time” is actuall…

That makes a lot of sense. Thanks for the feedback.

Page Generation Time still valid?

Reports and working with data

LoneWolves September 23, 2025, 8:19am 3

@loldenburg I have been breaking my head over this as well. In the end solved it by using “Median time to interact” in client reporting.

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Page Generation Time still valid?

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