php - thumbnails are more bigger respect to the original image -


i have worpdress website images important part of it, have found solution prevent compression of images wordpress when upload images (wordpress make compression of 90/100 when upload image through image uploader), because want better image quality.

this filter used:

add_filter( 'jpeg_quality', create_function( '', 'return 100;' ) );

so it's work, see problem, when upload image example size of 150 kb, default thumbnails of wordpress (medium,large) more bigger (300kb) original image

why ?


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