1. Home
2. Image Optimizer – Optimize Images and Convert to WebP or AVIF
3. 1.6.6 (latest)

Image Optimizer - Compress, Resize and Optimize Images 1.6.6

Does "Image Optimizer - Compress, Resize and Optimize Images" work with WordPress 6.8.1 and PHP 8.1.12? A smoke test was performed on 2025-04-30 18:09:49 UTC.

Summary

Pages 5

Plugins ‹ Test site — WordPress

Media → Image Optimizer

Media → Bulk Optimization

Tools → Scheduled Actions

Test site – Just another WordPress site

Benchmark

URL	Load time			Memory usage
	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.357 s	0.311 s	-0.046 s	3.51 MiB	3.81 MiB	+ 305.64 KiB
/wp-admin/edit.php	0.203 s	0.269 s	+0.066 s	3.57 MiB	3.89 MiB	+ 326.99 KiB
/wp-admin/post-new.php	0.765 s	1.162 s	+0.397 s	6.06 MiB	6.57 MiB	+ 521.91 KiB
/wp-admin/upload.php	0.644 s	0.978 s	+0.334 s	3.52 MiB	3.85 MiB	+ 337.8 KiB
/wp-admin/options-writing.php	0.226 s	0.249 s	+0.023 s	3.5 MiB	3.79 MiB	+ 293.46 KiB
/wp-admin/media-new.php	0.310 s	0.420 s	+0.110 s	3.49 MiB	3.79 MiB	+ 302.48 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.222 s	0.250 s	+0.028 s	3.5 MiB	3.81 MiB	+ 307.62 KiB
/wp-admin/post-new.php?post_type=page	0.608 s	0.652 s	+0.044 s	6.05 MiB	6.56 MiB	+ 517.44 KiB
/wp-admin/options-discussion.php	0.449 s	0.621 s	+0.172 s	3.5 MiB	3.79 MiB	+ 290.59 KiB
/wp-admin/edit-comments.php	0.259 s	0.273 s	+0.014 s	3.52 MiB	3.81 MiB	+ 290.25 KiB
/	0.310 s	0.231 s	-0.079 s	3.43 MiB	3.66 MiB	+ 231.25 KiB
Average	0.396 s	0.492 s	+0.097 s	3.97 MiB	4.3 MiB	+ 338.68 KiB

Code Statistics

Note: Third-party libraries and minified JS/CSS files are excluded from these statistics where possible, so the numbers you see here may be lower than those reported by other tools.

Language		%	Lines of code	Comment lines	Files
	PHP	89.1%	9,755	1,883	161
	JavaScript	9.4%	1,034	96	17
	CSS	1.3%	141	1	3
	SVG	0.1%	16	0	2
Total			10,946	1,980	183

PHP Code Analysis | More results »

Additions

Things that the plugin adds to the site. This section is not intended to be comprehensive. The test tool only looks for a few specific types of added content.

Options wp_options 12

• _image-optimizer_notifications
• action_scheduler_lock_async-request-runner
• elementor_connect_site_key
• image_optimizer_compression_level
• image_optimizer_convert_to_format
• image_optimizer_custom_sizes
• image_optimizer_exif_metadata
• image_optimizer_migrations
• image_optimizer_optimize_on_upload
• image_optimizer_original_images
• image_optimizer_resize_larger_images
• image_optimizer_resize_larger_images_size

Custom Post Types 1

ID	Name
scheduled-action	Scheduled Actions

PHP Error Log 7 lines

[30-Apr-2025 18:10:05 UTC] [Image Optimizer]: info in ImageOptimization\Modules\Core\Components\Migrations->run_migration(): The migration `fix_optimized_size_keys` successfully executed.
[30-Apr-2025 18:10:05 UTC] [Image Optimizer]: info in ImageOptimization\Modules\Core\Components\Migrations->run_migration(): The migration `fix_mime_type` successfully executed.
[30-Apr-2025 18:10:05 UTC] [Image Optimizer]: info in ImageOptimization\Modules\Core\Components\Migrations->run_migration(): The migration `fix_avif_with_zero_dimensions` successfully executed.
[30-Apr-2025 18:10:05 UTC] [Image Optimizer]: info in ImageOptimization\Modules\Optimization\Components\Actions_Cleanup->cleanup_stuck_operations(): No stuck optimization operations found for cleanup.
[30-Apr-2025 18:10:07 UTC] [Image Optimizer]: info in ImageOptimization\Modules\ConnectManager\Components\Connect->get_connect_status(): Status check error. Reason: User is not connected
[30-Apr-2025 18:10:09 UTC] [Image Optimizer]: info in ImageOptimization\Modules\ConnectManager\Components\Connect->get_connect_status(): Status check error. Reason: User is not connected
[30-Apr-2025 18:10:17 UTC] [Image Optimizer]: info in ImageOptimization\Modules\ConnectManager\Components\Connect->get_connect_status(): Status check error. Reason: User is not connected

---