Benchmarking within Chrome developer tools should point you in the right direction, if this is way faster than the perl code running your script in the debugger should quickly let you know if this is a limitation or bug with the perl module.

In reply to Re^3: WWW::Mechanize::Chrome VERY slow on xpath obtaining TDs of a TR by marto
in thread WWW::Mechanize::Chrome VERY slow on xpath obtaining TDs of a TR by ait

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