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2. NitroPack – Performance, Page Speed & Cache Plugin for Core Web Vitals, CDN & Image Optimization
3. 1.19.1

NitroPack 1.19.1

Does NitroPack work with WordPress 6.9.4 and PHP 8.1.12? A smoke test was performed on 2026-03-11 19:20:49 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	0.532 s	0.370 s	-0.162 s	3.78 MiB	4.02 MiB	+ 253.45 KiB
/wp-admin/edit.php	0.373 s	0.335 s	-0.038 s	3.78 MiB	4.1 MiB	+ 320.73 KiB
/wp-admin/post-new.php	0.935 s	1.329 s	+0.394 s	6.31 MiB	6.66 MiB	+ 363.11 KiB
/wp-admin/upload.php	0.490 s	0.637 s	+0.147 s	3.74 MiB	3.98 MiB	+ 245.19 KiB
/wp-admin/options-writing.php	0.375 s	0.540 s	+0.165 s	3.71 MiB	3.95 MiB	+ 245.19 KiB
/wp-admin/media-new.php	0.574 s	0.431 s	-0.143 s	3.7 MiB	3.94 MiB	+ 245.19 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.325 s	0.325 s	+0.000 s	3.72 MiB	3.99 MiB	+ 275.83 KiB
/wp-admin/post-new.php?post_type=page	0.717 s	0.771 s	+0.054 s	6.3 MiB	6.6 MiB	+ 305.22 KiB
/wp-admin/options-discussion.php	0.793 s	0.937 s	+0.144 s	3.71 MiB	3.95 MiB	+ 245.19 KiB
/wp-admin/edit-comments.php	0.471 s	0.707 s	+0.236 s	3.74 MiB	3.97 MiB	+ 245.19 KiB
/	0.293 s	0.271 s	-0.022 s	4.11 MiB	4.32 MiB	+ 221.1 KiB
Average	0.534 s	0.605 s	+0.070 s	4.24 MiB	4.5 MiB	+ 269.58 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	78.6%	17,873	2,532	186
	JavaScript	8.6%	1,966	147	12
	Sass	8.6%	1,955	28	12
	PO File	3.4%	777	344	1
	SVG	0.7%	164	0	26
	JSON	0.0%	2	0	2
Total			22,737	3,051	239

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

The log file is empty.

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