xamarin - Resize Images for website like amazon -

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i suggestion knowledgeable guys topic. if make website there lot of images (say 10000) , each image has copies of in different sizes, because need display different sizes of same image. it'd inefficient store these images , display requested. alternatively how do websites amazon, flipkart, alibaba - resize each image needed displayed. have 1 copy stored. i'd knows point me in direction. thanks

how can develop site xamarin? xamarin native apps, not websites. mean mono , xamarin studio build asp.net website? if that´s case take @ library: http://imageresizing.net/


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