Unrealistically high LCP - Longer then the total load time

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Adrian Fahrbach

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Aug 28, 2025, 6:55:33 AM (8 days ago) Aug 28
to web-vitals-feedback
Hey there,

we currently got an issue with the LCP on our page geigergruppe.com, see here.
The LCP seems to take longer than the whole evaluation process. Sometime it is at 8-9s (which still is large than it should be), most of the times it is at about 45s up to 80s though. The whole test only takes about 40s for me.

This only applies to the online Pagespeed insights as well as local Lighthouse tests. The Core Web Vitals and the performance tab seem to be correct.

Is there a way for me to fix this? We got a lot of transitions on page load with most of them being Javascript based animations.

Barry Pollard

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Aug 28, 2025, 7:00:40 AM (8 days ago) Aug 28
to Adrian Fahrbach, web-vitals-feedback
Could you raise an issue here for the PSI and lighthouse team to look into this?

I'm aware of a similar issue here, but this one looks a bit different.

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Adrian Fahrbach

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Aug 29, 2025, 8:00:19 AM (7 days ago) Aug 29
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Hey! Thank you for the fast response.

I did comment on an issue in that repository here. Its also not quite the same, but very close to my problem.
I will keep an eye on that issue.

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