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2. NitroPack – Caching & Speed Optimization for Core Web Vitals, Defer CSS & JS, Lazy load Images and CDN
3. 1.18.1 (latest)

NitroPack 1.18.1

Does NitroPack work with WordPress 6.8.1 and PHP 8.1.12? A smoke test was performed on 2025-05-12 15:52:38 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	0.327 s	0.312 s	-0.015 s	3.51 MiB	3.72 MiB	+ 221.66 KiB
/wp-admin/edit.php	0.191 s	0.200 s	+0.009 s	3.57 MiB	3.94 MiB	+ 373.38 KiB
/wp-admin/post-new.php	0.763 s	0.679 s	-0.084 s	6.06 MiB	6.34 MiB	+ 281.57 KiB
/wp-admin/upload.php	0.726 s	0.512 s	-0.214 s	3.52 MiB	3.74 MiB	+ 215.74 KiB
/wp-admin/options-writing.php	0.190 s	0.483 s	+0.293 s	3.5 MiB	3.71 MiB	+ 210.24 KiB
/wp-admin/media-new.php	0.258 s	0.236 s	-0.022 s	3.49 MiB	3.7 MiB	+ 210.24 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.180 s	0.184 s	+0.004 s	3.5 MiB	3.74 MiB	+ 241.51 KiB
/wp-admin/post-new.php?post_type=page	0.602 s	0.569 s	-0.033 s	6.05 MiB	6.32 MiB	+ 271.83 KiB
/wp-admin/options-discussion.php	0.281 s	0.466 s	+0.185 s	3.5 MiB	3.71 MiB	+ 210.87 KiB
/wp-admin/edit-comments.php	0.191 s	0.199 s	+0.008 s	3.52 MiB	3.73 MiB	+ 215.74 KiB
/	0.293 s	0.205 s	-0.088 s	3.43 MiB	3.56 MiB	+ 126.95 KiB
Average	0.364 s	0.368 s	+0.004 s	3.97 MiB	4.2 MiB	+ 234.52 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%	17,242	1,959	162
	Sass	8.7%	1,853	26	10
	JavaScript	5.8%	1,232	56	9
	PO File	3.6%	757	315	1
	SVG	0.6%	130	0	21
	JSON	0.0%	5	0	1
Total			21,219	2,356	204

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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