ImageMagick vs GD Library
By Philippe on Friday, 12 February 2021
Posted in Beta Testing
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Hello,

I noticed that using ImageMagick the images were heavier than with GD Library.

On the other hand if I also use your Image Optimizer API, the images with ImageMagic are the same size as with GD Library.

Here is an example image that I sent several times with different settings :
myphoto_thumbnail.jpg

GD Library : 100 ko
ImageMagick : 135 ko

GD Library + Image Optimizer API : 83 ko
ImageMagick + Image Optimizer API : 83 ko

Why with ImageMagick my images have a significantly higher size if I do not use your Image Optimizer ?

Thank you,
Philippe
Not all images are equal. It depends on the source image, also the quality from Imagemagick is different than GD.
Mark
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Friday, 12 February 2021 23:25
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Ok I see.
But why must necessarily pass through your Image Optimizer API for my photos ImageMagick is as light with GD Library ?

Thank you,
Philippe
Philippe
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Saturday, 13 February 2021 00:39
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When you resize an image using GD / Imagemagick, it would add metadata on the images. Feeding these images to our image optimizer would strip out these data.
Mark
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Saturday, 13 February 2021 12:48
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