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Package image-optimize-command
Short Description Easily optimize images using WP CLI
License MIT
Homepage https://typist.tech/projects/image-optimize-command
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Informations about the package image-optimize-command
Easily optimize images using WP CLI
Built with ♥ by Typist Tech
Image Optimize Command is an open source project and completely free to use.
However, the amount of effort needed to maintain and develop new features is not sustainable without proper financial backing. If you have the capability, please consider donating using the links below:
Image Optimize Command is a WP CLI wrapper for spatie/image-optimizer which optimize gif, jpeg, jpg, png, svg, webp images by running them through a chain of various image optimization tools. Read the introductory blog post about why I built it.
Usage
Typist Tech is ready to build your next awesome WordPress site. Hire us!
Requirements
- PHP v7.2 or later
- WP-CLI v2.3.0 or greater
Since wp-cli/wp-cli-bundle bundles an older version of symfony/process which incompatible with spatie/image-optimizer, WP-CLI must be installed via composer.
Installation
Optimization tools
Under the hood, image-optimize-command invokes spatie/image-optimizer which requires these binaries installed:
Check spatie/image-optimizer's readme for install instructions.
SVGO and cwebp are optional
Note that WordPress doesn't support svg files out of the box. You can omit SVGO. However, if you have enabled WordPress svg support and uploaded svg files to WordPress media library, you must install SVGO. Otherwise, the command will fail.
Same goes for cwebp.
Use Cases
First use
This command optimize both the full sized image(the one you uploaded) and the thumbnails(WordPress auto-resize these images for you).
Chances are the thumbnails are missing or never generated:
- theme switched after upload
- plugins activated after upload
- deleted the images from disk but not updated WordPress' database
Simplest solution is to regenerate thumbnails then optimize:
After upgrading WordPress core / plugins / themes
Restoring the originals
This command backs up the full sized images before optimizing attachments. If you want to restore them:
Migrating from image-optimize-command v0.1.x
Starting from v0.2, this command backs up the full sized images before optimizing attachments. To migrate from image-optimize-command v0.1.x:
FAQs
What kind of optimization it does?
Mostly applying compression, removing metadata and reducing the number of colors to gif, jpeg, jpg, png, svg, webp images. The package is smart enough pick the right tool for the right image.
Check Freek Van der Herten's article explaining spatie/image-optimizer's sane default configuration.
How to customize the optimization?
How to skip backups / restorations?
:warning: The optimzation is lossy. If you skip backing up the original files, there is no way to recover the original files. Proceed with caution.
It would be nice to have those 2 null operations in a separate package. Submit pull requests to mention it in this readme if you have implemented it.
Does running wp image-optimize attachment / batch multiple times trigger multiple optimization for the same attachments?
No.
By default, boolean flags (meta fields) are given to attachments after optimization. This is to prevent re-optimizing an already optimized attachment. If you changed the image files (e.g.: resize / regenerate thumbnail), you must first reset their meta flags.
Note: The find subcommand and its shortcuts don't create meta flags.
Will the images look different after optimization?
Yes, a little bit. This is lossy optimization. However, you won't notice the difference unless you have a trained eye for that.
See spatie/image-optimizer's readme on binary options used.
Why my GIFs stopped animating?
When you upload an image using the media uploader, WordPress automatically creates several copies of that image in different sizes...When creating new image sizes for animated GIFs, WordPress ends up saving only the first frame of the GIF...
--- wpbeginner
Luckily for you, Lasse M. Tvedt showed how to stop WordPress from resizing GIFs on StackExchange.
Can I use this on managed hosting?
No, you can't use this on managed hosting such as Kinsta, Flywheel or WP Engine because they prohibit installing the binaries.
If you must use it on managed hosting, hire a developer to add SaaS provider integration:
Do I have to install SVGO or cwebp?
No, if you don't have any svg files in WordPress media library.
Yes, if you have:
- enabled WordPress SVG support
- uploaded SVGs to WordPress media library
- using the
findsubcommand (or its shortcuts) with--extensions=svg
Same goes for cwebp.
PHP Fatal error: Allowed memory size of 999999 bytes exhausted (tried to allocate 99 bytes)
This is a common WP CLI issue. See: https://bit.ly/wpclimem
Does it have a limits or quotas?
No, unlike other SaaS alternatives, this package runs on your server without any limitation on file sizes or a monthly quota. Totally free of charge.
Is it for everyone?
No, it comes at a cost. Optimization is CPU intensive. Expect CPU usage rockets up to 100% during optimization. Schedule it to run at late night in small batches.
Learn more on this article.
Will you add support for older PHP versions?
Never! This plugin will only work on actively supported PHP versions.
Don't use it on end of life or security fixes only PHP versions.
It looks awesome. Where can I find some more goodies like this
- Articles on Typist Tech's blog
- Tang Rufus' WordPress plugins on wp.org
- More projects on Typist Tech's GitHub profile
- Stay tuned on Typist Tech's newsletter
- Follow Tang Rufus' Twitter account
- Hire Tang Rufus to build your next awesome site
Where can I give 5-star reviews?
Thanks! Glad you like it. It's important to let me knows somebody is using this project. Please consider:
- tweet something good with mentioning @TangRufus
- ★ star the Github repo
- 👀 watch the Github repo
- write tutorials and blog posts
- hire Typist Tech
Testing
Run the tests:
Feedback
Please provide feedback! We want to make this project as useful as possible. Please submit an issue and point out what you do and don't like, or fork the project and send pull requests. No issue is too small.
Security Vulnerabilities
If you discover a security vulnerability within this project, please email us at [email protected]. All security vulnerabilities will be promptly addressed.
Credits
Image Optimize Command is a Typist Tech project and maintained by Tang Rufus, freelance developer for hire.
Special thanks to Freek Van der Herten whose spatie/image-optimizer package makes this project possible.
Full list of contributors can be found here.
License
Image Optimize Command is released under the MIT License.
All versions of image-optimize-command with dependencies
psr/log Version ^1.1
spatie/image-optimizer Version ^1.2
symfony/filesystem Version ^4.3 || ^5.0
symfony/finder Version ^4.3 || ^5.0
wp-cli/wp-cli Version ^2.3