Reduce "Waiting (TTFB)" for every product variant

Hi people,

i have found out why one of my product pages is loading very slowly.
It is because for everysingle variant (and it has a lot of variants) the “waiting (ttfb)” so time to first byte for server response is taking almost 0.5 seconds. If i have 20 variants this is already 10seconds of page loading.

Can you see from the screenshots of network analysis, why this happends for every variant or how i can fix it?

I checked several themes and always the same problem.

Hi! I think you need to research in this area https://www.shopify.com/partners/blog/lazy-loading
Also you can try to fix it by app https://apps.shopify.com/lazify-lazy-load-images-1

Thank you! It was just some stupid plugin that had been unused for several months and never made any problems. Deletet it and now everything is just doing fine.