SPA2 Metrics
Browser RUM calculates metrics differently for base pages, Ajax requests, and virtual pages. The diagrams below demonstrate the differences between base page and virtual page metrics from the end-user perspective. See Browser RUM Metrics for metric definitions.
For base pages, Browser RUM calculates End User Response Time (EURT), Visually Complete Time (VCT), and Page Complete Time (PCT). For virtual pages, Browser RUM calculates EURT and VCT.
End User Response Time
End User Response Time (EURT) calculates the total time for all content (visual and non-visual) to be loaded on a page.
- Base Page
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- Virtual Page
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Visually Complete Time
Visually Complete Time (VCT) calculates the point in time when the browser has finished loading all visual content in the viewport.
- Base Page
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- Virtual Page
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Page Complete Time
Page Complete Time (PCT) is a SPA2 metric for base pages only. PCT calculates the point in time when the browser has finished loading all visual content on the page, regardless of whether the content is in or outside the viewport.