My client sees grossly defective image, not what I uploaded -

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obligatory research done without result. client (in state) sees pixelated image. way can replicate view zooming in ctrl + repeatedly. in brief moment, before zoom complete, see defective image. becomes clear again. asked him use computer. far, no response him. must resolve issue. i'll appreciate help. first link shows see (and see).

the second link shows sees. client sent me screen capture.

http://63pounders.com/faculty-biographies.php#core

http://codestruggle.com/bad-image.html

that's moiré pattern formed due subsampling dotted (halftone) image without blurring first. low-power viewers implement scaling way, because blurring slow. seems viewer scales way first approximation, in order react quickly, makes scaled version well.

you should able fix scaling image yourself. can use responsive images retain ability scale , support high dpi.


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