How to install image optimization tools?
For the correct work, Google Page Speed Optimizer requires the installation of the following tools:
Please note that the tools should be installed on the server by using the Root user. Do it running these commands:
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sudo apt install jpegoptim
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sudo apt install optipng
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sudo apt install gifsicle
For the Linux-based environment, use this command:
sudo apt install webp
If you use Centos, run these commands:
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sudo yum install libwebp-tools
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sudo yum install libwebp.x86_64
For more information, check the Google guide and repository.
See more details on Google Page Speed Optimizer page
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