Product Photos on Phones: 82.9% of Main Images Load Under 100 KB

    On 199 ranking product pages loaded on a phone where the largest element was a matched image, the main product image weighed a median 35.7 KB and 82.9% came in under 100 KB.

    Main product image (LCP) weight on a phone
    Under 100 KB82.9%
    100 to 200 KB8.6%
    Over 200 KB8.5%

    Source: PageSpeed Matters. Phone render (390x844) of 199 ranking product pages with a matched LCP image, Oct 2026.

    Transfer size of phone-sized images; desktop images are larger.

    Source: Product Photos on Phones: 82.9% of Main Images Load Under 100 KB - PageSpeed Matters