Deprecated API error in Pagespeed Insights

Hi team,

I’m getting a Deprecated API error in Pagespeed Insights; you can see here:-Screenshot by Lightshot

How to remove this error as I want to get best practice score to 100/100


It is not an error, but a warning.

If advice about ignoring it won’t be enough for you, I would suggest you to follow @cscharff’s advice over here:

Scripts that are supposed to have (very) broad compatibility (e.g. to be working across many different browsers), will typically make such website checkers, like e.g the Pagespeed Insights you mention, warn about usage of such “deprecated” API’s.

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