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Not going to add any optimization pipelines. they should be added by developers on the server first, then link the optimizer in the created optimization pipeline.
https://www.drupal.org/node/773342
Image optimization requires external tools written mainly in C/C++. You can download and compile them yourself. Some are available as binary. Some are already present on most systems.
(PNG) advpng is a part of advancecomp. It is available in most distros (Debian). If you don't have root access to the server you will need to compile it.
(PNG) OptiPNG is a tool to optimize PNG images. This module uses the default option for a size/execution time trade-off. OptiPNG can be built by ./configure;make
(PNG) PNGCRUSH predecessor where optipng was forked.
(JPEG) jpegtran is a part of jpeglib and is available in most systems, if not please install the package libjpeg-progs. This tool can remove extra markers from source file.
(JPEG) jfifremove strip JFIF headers. You need to compile it: gcc -o jfifremove jfifremove.c
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Comment #3
Rajab Natshah CreditAttribution: Rajab Natshah at Vardot commentedNot going to add any optimization pipelines. they should be added by developers on the server first, then link the optimizer in the created optimization pipeline.
Comment #4
Rajab Natshah CreditAttribution: Rajab Natshah at Vardot commentedComment #5
Rajab Natshah CreditAttribution: Rajab Natshah at Vardot commentedComment #6
Rajab Natshah CreditAttribution: Rajab Natshah at Vardot commented