Has anyone noticed a difference in email open rate or click-through rate if the email contains large images so that the total email is 500 KB, 1 MB, even 1.5 MB?
The reason is that we could work faster if we could upload to Klaviyo our full images and not have to worry about tweaking their dimensions, quality and format to get them as small as possible (as we do on our website).
For example one image might be a PNG that is 417 KB but if we optimized it we could make it a JPG at 84 KB.
Is that worth the effort?
Best answer by David To
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