I'm using Magento 2.2.3 with a theme based on luma theme, no change did to the product images gallery. Images have all low size, even so, it takes like 3-4 seconds to load the first image. I have tried the Xumulus extension, but is not really a great choice, as it loads the image first, but delay all the js, so for a few seconds can't do pretty much nothing, like adding to cart.

  • Is cache enable or disabled? Aug 8, 2018 at 5:00
  • yes, I'm using varnish cache
    – alexcr
    Aug 8, 2018 at 14:39

1 Answer 1


Run this cli command

php bin/magento setup:static-content:deploy

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