Page impact vs whole-site figures
Why two changes can share a date but not a result, and how to read the "For context: whole site" line.
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Related information
- How impact is measuredDaily averages, a 28-day window, and honest labels when it is too early to say — the rules behind every Impact figure.
- Chart markersThe vertical lines on your trend charts are changes that went live. Here is how to read and follow them.
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Last updated 23 Sep 2026