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2. NitroPack – Performance, Page Speed & Cache Plugin for Core Web Vitals, CDN & Image Optimization
3. 1.18.7

NitroPack 1.18.7

Does NitroPack work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on 2025-12-02 23:53:57 UTC.

Summary

Pages 5

NitroPack Options ‹ Test site — WordPress

NitroPack

NitroPack → System Report

Test site – Just another WordPress site

Add Post ‹ Test site — WordPress

Benchmark

URL	Load time			Memory usage
	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.474 s	0.694 s	+0.220 s	3.77 MiB	4 MiB	+ 235.05 KiB
/wp-admin/edit.php	0.375 s	0.342 s	-0.033 s	3.78 MiB	4.07 MiB	+ 301.29 KiB
/wp-admin/post-new.php	0.857 s	0.919 s	+0.062 s	6.3 MiB	6.64 MiB	+ 341.79 KiB
/wp-admin/upload.php	0.533 s	0.434 s	-0.099 s	3.74 MiB	3.96 MiB	+ 232.41 KiB
/wp-admin/options-writing.php	0.331 s	0.343 s	+0.012 s	3.71 MiB	3.93 MiB	+ 226.91 KiB
/wp-admin/media-new.php	0.555 s	0.510 s	-0.045 s	3.7 MiB	3.92 MiB	+ 226.91 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.310 s	0.308 s	-0.002 s	3.71 MiB	3.96 MiB	+ 257.55 KiB
/wp-admin/post-new.php?post_type=page	0.697 s	0.662 s	-0.035 s	6.29 MiB	6.57 MiB	+ 286.15 KiB
/wp-admin/options-discussion.php	0.337 s	0.419 s	+0.082 s	3.71 MiB	3.93 MiB	+ 226.91 KiB
/wp-admin/edit-comments.php	0.306 s	0.336 s	+0.030 s	3.73 MiB	3.96 MiB	+ 232.41 KiB
/	0.270 s	0.212 s	-0.058 s	4.1 MiB	4.26 MiB	+ 162.38 KiB
Average	0.459 s	0.471 s	+0.012 s	4.23 MiB	4.47 MiB	+ 248.16 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	80.4%	18,069	2,193	174
	Sass	8.7%	1,953	28	12
	JavaScript	6.8%	1,520	68	10
	PO File	3.5%	777	344	1
	SVG	0.7%	164	0	26
	JSON	0.0%	2	0	2
Total			22,485	2,633	225

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 1

• nitropack-distribution

Meta Boxes

{
    "post": {
        "nitropack_manage_cache_box": {
            "title": "NitroPack",
            "context": "side"
        }
    },
    "home": {
        "nitropack_manage_cache_box": {
            "title": "NitroPack",
            "context": "side"
        }
    },
    "archive": {
        "nitropack_manage_cache_box": {
            "title": "NitroPack",
            "context": "side"
        }
    },
    "page": {
        "nitropack_manage_cache_box": {
            "title": "NitroPack",
            "context": "side"
        }
    },
    "attachment": {
        "nitropack_manage_cache_box": {
            "title": "NitroPack",
            "context": "side"
        }
    },
    "category": {
        "nitropack_manage_cache_box": {
            "title": "NitroPack",
            "context": "side"
        }
    },
    "post_tag": {
        "nitropack_manage_cache_box": {
            "title": "NitroPack",
            "context": "side"
        }
    },
    "post_format": {
        "nitropack_manage_cache_box": {
            "title": "NitroPack",
            "context": "side"
        }
    }
}

PHP Error Log 4 lines

[02-Dec-2025 23:54:20 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
[02-Dec-2025 23:54:20 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
[02-Dec-2025 23:54:30 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
[02-Dec-2025 23:54:30 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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