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MetricStrategyBefore update (classic theme)After update (block theme)Diff %After performance enhancements (block theme)Diff %
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TTFBDesktop1501510.67%152.51.67%
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Mobile7007000.00%699-0.14%
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FCPDesktop603.5330.5-45.24%300.5-50.21%
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Mobile1596.51003.5-37.14%979.5-38.65%
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LCPDesktop855548.5-35.85%472-44.80%
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Mobile1778.51376.5-22.60%1153.5-35.14%
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LCP - TTFBDesktop703394-43.95%316.5-54.98%
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Mobile1076.5674-37.39%452.5-57.97%
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CLSDesktop000.00%00.00%
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Mobile000.00%00.00%
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DOM ElementsDesktop714511-28.43%509-28.71%
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Mobile706511-27.62%509-27.90%
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Total BytesDesktop1060151970814-8.43%942222.5-11.12%
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Mobile892777418101-53.17%389505-56.37%
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All values are based on the median (p50) from 36 requests to the site.
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See the WebPageTest URLs sheet for more details, and the individual scenario sheets for the full data including percentiles.
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