EWWW Image Optimizer Plugin
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You may see the following error when using the EWWW plugin:
EWWW Image Optimizer requires exec(). Your system administrator has disabled this function.
Unfortunately, we won't be able to enable the exec() function for security reasons.
We recommendation using API or cloud-based plugins where all the image processing happens on remote servers, and doesn't require any local executables to be installed.
There are few different plugins using this approach:
If you are on a VPS, we offer some flexibility and an alternative image processing service called Pressthumb. Please contact support for further assistance.