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Comments on Determine which script is slowing the page down in Firefox

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Determine which script is slowing the page down in Firefox [closed]

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Closed as off topic by Alexei‭ on Oct 12, 2023 at 17:53

This question is not within the scope of Software Development.

This question was closed; new answers can no longer be added. Users with the reopen privilege may vote to reopen this question if it has been improved or closed incorrectly.

A page is very slow and laggy in Firefox. I am certain it's one of the many Javascripts slowing it down.

Out of curiosity, I'd like to figure out which script is creating the heaviest load. Note that I also have some blocked with uBlock origin, and I don't want to unblock those - I want to see which of the scripts currently not blocked is slowing it down.

Surely there's a way to use the inspector to get such a basic performance stat. How do I that? All I care about is which script is responsible for what % of computational demand, it doesn't need any more detail beyond that.

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2 comment threads

Developer Tools -> Performance Tab might be helpful here. Is this happening only in Firefox or does t... (1 comment)
Can you provide more context information that makes this question more about Software Development (e.... (1 comment)
Developer Tools -> Performance Tab might be helpful here. Is this happening only in Firefox or does t...
Alexei‭ wrote about 1 year ago

Developer Tools -> Performance Tab might be helpful here. Is this happening only in Firefox or does the same happen in other browsers (e.g. Chrome, Edge, Safari)?