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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

NitroPack 1.18.1

Does NitroPack work with WordPress 6.8.2 and PHP 8.1.12? A smoke test was performed on 2025-07-15 20:38:15 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	0.340 s	0.296 s	-0.044 s	3.51 MiB	3.72 MiB	+ 222.16 KiB
/wp-admin/edit.php	0.195 s	0.214 s	+0.019 s	3.57 MiB	3.94 MiB	+ 373.88 KiB
/wp-admin/post-new.php	0.771 s	0.691 s	-0.080 s	6.06 MiB	6.34 MiB	+ 282.08 KiB
/wp-admin/upload.php	0.571 s	0.745 s	+0.174 s	3.52 MiB	3.74 MiB	+ 216.24 KiB
/wp-admin/options-writing.php	0.225 s	0.227 s	+0.002 s	3.5 MiB	3.71 MiB	+ 210.74 KiB
/wp-admin/media-new.php	0.312 s	0.252 s	-0.060 s	3.49 MiB	3.7 MiB	+ 210.74 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.220 s	0.218 s	-0.002 s	3.5 MiB	3.74 MiB	+ 242.01 KiB
/wp-admin/post-new.php?post_type=page	0.603 s	0.588 s	-0.015 s	6.05 MiB	6.32 MiB	+ 272.33 KiB
/wp-admin/options-discussion.php	0.312 s	0.445 s	+0.133 s	3.5 MiB	3.71 MiB	+ 211.37 KiB
/wp-admin/edit-comments.php	0.229 s	0.224 s	-0.005 s	3.52 MiB	3.73 MiB	+ 216.24 KiB
/	0.298 s	0.413 s	+0.115 s	3.43 MiB	3.56 MiB	+ 127.45 KiB
Average	0.371 s	0.392 s	+0.022 s	3.97 MiB	4.2 MiB	+ 235.02 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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