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2. NitroPack – Caching & Speed Optimization for Core Web Vitals, Defer CSS & JS, Lazy load Images and CDN
3. 1.18.0 (latest)

NitroPack 1.18.0

Does NitroPack work with WordPress 6.8.1 and PHP 8.1.12? A smoke test was performed on 2025-04-30 20:40:17 UTC.

Summary

Pages 5

Plugins ‹ 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	0.359 s	0.270 s	-0.089 s	3.51 MiB	3.73 MiB	+ 224.69 KiB
/wp-admin/edit.php	0.197 s	0.230 s	+0.033 s	3.57 MiB	3.94 MiB	+ 375.98 KiB
/wp-admin/post-new.php	0.796 s	0.719 s	-0.077 s	6.06 MiB	6.34 MiB	+ 284.18 KiB
/wp-admin/upload.php	0.692 s	0.577 s	-0.115 s	3.52 MiB	3.74 MiB	+ 218.35 KiB
/wp-admin/options-writing.php	0.245 s	0.216 s	-0.029 s	3.5 MiB	3.71 MiB	+ 212.85 KiB
/wp-admin/media-new.php	0.307 s	0.272 s	-0.035 s	3.49 MiB	3.7 MiB	+ 212.85 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.218 s	0.204 s	-0.014 s	3.5 MiB	3.74 MiB	+ 244.12 KiB
/wp-admin/post-new.php?post_type=page	0.645 s	0.622 s	-0.023 s	6.05 MiB	6.32 MiB	+ 274.44 KiB
/wp-admin/options-discussion.php	0.350 s	0.343 s	-0.007 s	3.5 MiB	3.71 MiB	+ 213.48 KiB
/wp-admin/edit-comments.php	0.240 s	0.192 s	-0.048 s	3.52 MiB	3.74 MiB	+ 218.35 KiB
/	0.517 s	0.187 s	-0.330 s	3.43 MiB	3.56 MiB	+ 127.88 KiB
Average	0.415 s	0.348 s	-0.067 s	3.97 MiB	4.2 MiB	+ 237.01 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	81.3%	17,224	1,948	162
	Sass	8.7%	1,853	26	10
	JavaScript	5.8%	1,221	56	9
	PO File	3.6%	757	315	1
	SVG	0.6%	130	0	21
Total			21,185	2,345	203

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 2

• nitropack-distribution
• nitropack-safeModeStatus

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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