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CLS is reported in browsers that don't support it #57

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philipwalton opened this issue Jun 26, 2020 · 0 comments · Fixed by #58 or GoogleChrome/web.dev#3389
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CLS is reported in browsers that don't support it #57

philipwalton opened this issue Jun 26, 2020 · 0 comments · Fixed by #58 or GoogleChrome/web.dev#3389

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@philipwalton
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Currently, the logic for when to report CLS happens outside of the check for a successfully created PerformanceObserver that can observe layout-shift entries. And since 0 values are acceptable to report for CLS, the result is other browsers will report CLS (always with the initial value of 0) even though they do not track layout shifts.
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