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Robin image optimizer 1.9.0

Does Robin image optimizer work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on 2025-12-03 00:01:06 UTC.

Summary

Pages 6

Plugins ‹ Test site — WordPress

Settings → Robin image optimizer

License

Settings

Test site – Just another WordPress site

Dashboard ‹ Test site — WordPress

Benchmark

URL	Load time			Memory usage
	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.438 s	0.535 s	+0.097 s	3.78 MiB	4.15 MiB	+ 383.31 KiB
/wp-admin/edit.php	0.389 s	0.367 s	-0.022 s	3.78 MiB	4.12 MiB	+ 345.88 KiB
/wp-admin/post-new.php	0.878 s	0.788 s	-0.090 s	6.31 MiB	6.69 MiB	+ 395.54 KiB
/wp-admin/upload.php	0.464 s	0.906 s	+0.442 s	3.74 MiB	4.02 MiB	+ 290.48 KiB
/wp-admin/options-writing.php	0.341 s	0.414 s	+0.073 s	3.71 MiB	4 MiB	+ 293.45 KiB
/wp-admin/media-new.php	0.540 s	0.523 s	-0.017 s	3.7 MiB	4 MiB	+ 301.64 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.345 s	0.376 s	+0.031 s	3.72 MiB	4.01 MiB	+ 305.98 KiB
/wp-admin/post-new.php?post_type=page	0.713 s	0.769 s	+0.056 s	6.3 MiB	6.68 MiB	+ 389.04 KiB
/wp-admin/options-discussion.php	0.433 s	0.447 s	+0.014 s	3.71 MiB	4 MiB	+ 289.95 KiB
/wp-admin/edit-comments.php	0.334 s	0.355 s	+0.021 s	3.73 MiB	4.02 MiB	+ 288.93 KiB
/	0.290 s	0.225 s	-0.065 s	4.12 MiB	4.28 MiB	+ 169.76 KiB
Average	0.470 s	0.519 s	+0.049 s	4.24 MiB	4.54 MiB	+ 314 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	63.8%	23,101	14,665	232
	CSS	14.2%	5,129	173	18
	JavaScript	9.8%	3,551	394	22
	LESS	7.8%	2,819	174	9
	PO File	4.3%	1,564	612	9
	JSON	0.0%	16	0	2
	Markdown	0.0%	4	0	1
Total			36,184	16,018	293

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.

Database Tables 1

• wp_rio_process_queue

Options wp_options 9

• robin_image_optimizer_install
• robin-image-optimizer_version
• wbcr_io_backup_origin_images
• wbcr_io_db_version
• wbcr_io_image_optimization_server
• wbcr_io_plugin_activated
• wbcr_io_plugin_version
• wbcr_io_save_exif_data
• wbcr_io_server_2_quota_limit

Meta Boxes

{
    "dashboard": {
        "themeisle": {
            "title": "WordPress Guides/Tutorials",
            "context": "normal"
        }
    }
}

PHP Error Log 5 lines

[03-Dec-2025 00:01:27 UTC] PHP Deprecated:  Fetching multiple feeds with single SimplePie instance is deprecated since SimplePie 1.9.0, create one SimplePie instance per feed and use SimplePie::merge_items to get a single list of items. in /wp-includes/SimplePie/src/SimplePie.php on line 769
[03-Dec-2025 00:01:33 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 00:01:33 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 00:01:43 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 00:01:43 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131

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