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2. NitroPack – Caching & Speed Optimization for Core Web Vitals, Defer CSS & JS, Lazy load Images and CDN
3. 1.18.3

NitroPack 1.18.3

Does NitroPack work with WordPress 6.8.2 and PHP 8.1.12? A smoke test was performed on 2025-07-23 12:08:48 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	0.331 s	0.293 s	-0.038 s	3.51 MiB	3.73 MiB	+ 224.18 KiB
/wp-admin/edit.php	0.190 s	0.197 s	+0.007 s	3.57 MiB	3.94 MiB	+ 375.84 KiB
/wp-admin/post-new.php	0.737 s	0.676 s	-0.061 s	6.06 MiB	6.34 MiB	+ 284.04 KiB
/wp-admin/upload.php	0.598 s	0.510 s	-0.088 s	3.52 MiB	3.74 MiB	+ 218.21 KiB
/wp-admin/options-writing.php	0.210 s	0.215 s	+0.005 s	3.5 MiB	3.71 MiB	+ 212.71 KiB
/wp-admin/media-new.php	0.257 s	0.243 s	-0.014 s	3.49 MiB	3.7 MiB	+ 212.71 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.255 s	0.193 s	-0.062 s	3.5 MiB	3.74 MiB	+ 243.98 KiB
/wp-admin/post-new.php?post_type=page	0.606 s	0.595 s	-0.011 s	6.05 MiB	6.32 MiB	+ 274.3 KiB
/wp-admin/options-discussion.php	0.427 s	0.297 s	-0.130 s	3.5 MiB	3.71 MiB	+ 213.33 KiB
/wp-admin/edit-comments.php	0.237 s	0.213 s	-0.024 s	3.52 MiB	3.74 MiB	+ 218.21 KiB
/	0.314 s	0.384 s	+0.070 s	3.43 MiB	3.56 MiB	+ 129.47 KiB
Average	0.378 s	0.347 s	-0.031 s	3.97 MiB	4.2 MiB	+ 237 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	81.4%	17,459	2,073	165
	Sass	8.7%	1,861	26	10
	JavaScript	5.8%	1,239	59	9
	PO File	3.5%	757	315	1
	SVG	0.6%	130	0	21
Total			21,446	2,473	206

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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