Report - Header Footer Code Manager 1.1.22

Does Header Footer Code Manager work with WordPress 6.0 and PHP 7.4.8? A smoke test was performed on 2022-05-25 08:50:38 UTC.

Summary

Errors

	No PHP errors, warnings or notices
2	JavaScript exceptions
	All test pages loaded successfully
	No resource errors

Performance

Memory usage: 28.12 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: insignificant.
The plugin didn't make the site noticeably slower.

Environment

WordPress version	6.0
PHP version	7.4.8
MySQL version	8.0.21
PHP memory limit	256M

Plugin Info

Last updated	2025-10-06T04:40:00+00:00
Active installs	600,000+
WordPress.org page	https://wordpress.org/plugins/header-footer-code-manager/
Badges	Get badge code

Pages 5

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL	/wp-admin/plugins.php?action=activate&plugin=header-footer-code-manager%2F99robots-header-footer-code-manager.php&plugin_status=all&paged=1&s&_wpnonce=49d700e0d6
Aspect	after-activation
HTTP status	200
Load time	0.352 s
Memory usage	3.71 MiB
JS errors	None
Resource errors	None

HFCM

URL	/wp-admin/admin.php?page=hfcm-list
Aspect	menu-item
HTTP status	200
Load time	0.339 s
Memory usage	3.68 MiB
JS errors	None
Resource errors	None

HFCM → Add New

URL	/wp-admin/admin.php?page=hfcm-create
Aspect	menu-item
HTTP status	200
Load time	0.557 s
Memory usage	3.9 MiB
JS errors	[ { "message": "TypeError: Cannot read properties of null (reading 'addEventListener')\n at HTMLDocument.<anonymous> (/wp-content/plugins/header-footer-code-manager/js/nnr-hfcm-showboxes.js?ver=6.0:159:51)\n at e (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,wp-codemirror,underscore&ver=6.0:2:30038)\n at t (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,wp-codemirror,underscore&ver=6.0:2:30340)", "trace": null, "code": null } ]
Resource errors	None

HFCM → Tools

URL	/wp-admin/admin.php?page=hfcm-tools
Aspect	menu-item
HTTP status	200
Load time	0.168 s
Memory usage	3.73 MiB
JS errors	`[ { "message": "TypeError: $(...).selectize is not a function\n at HTMLDocument.<anonymous> (/wp-content/plugins/header-footer-code-manager/js/nnr-hfcm-showboxes.js?ver=6.0:141:102)\n at e (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils&ver=6.0:2:30038)\n at t (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils&ver=6.0:2:30340)", "trace": null, "code": null } ]`
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.269 s
Memory usage	3.57 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.400 s	0.335 s	-0.065 s	3.72 MiB	3.74 MiB	+ 22.89 KiB
/wp-admin/edit.php	0.202 s	0.215 s	+0.013 s	3.75 MiB	3.77 MiB	+ 22.16 KiB
/wp-admin/post-new.php	1.030 s	1.358 s	+0.328 s	5.53 MiB	5.56 MiB	+ 31.23 KiB
/wp-admin/upload.php	0.563 s	0.402 s	-0.161 s	3.68 MiB	3.7 MiB	+ 22.34 KiB
/wp-admin/options-writing.php	0.295 s	0.154 s	-0.141 s	3.61 MiB	3.68 MiB	+ 66.67 KiB
/wp-admin/media-new.php	0.324 s	0.208 s	-0.116 s	3.66 MiB	3.68 MiB	+ 22.52 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.210 s	0.199 s	-0.011 s	3.68 MiB	3.71 MiB	+ 23.42 KiB
/wp-admin/post-new.php?post_type=page	1.090 s	1.340 s	+0.250 s	5.53 MiB	5.55 MiB	+ 22.82 KiB
/wp-admin/options-discussion.php	0.260 s	0.318 s	+0.058 s	3.59 MiB	3.68 MiB	+ 86.84 KiB
/wp-admin/edit-comments.php	0.230 s	0.231 s	+0.001 s	3.69 MiB	3.71 MiB	+ 21.78 KiB
/	0.300 s	0.231 s	-0.069 s	3.6 MiB	3.57 MiB	- 33.4 KiB
Average	0.446 s	0.454 s	+0.008 s	4 MiB	4.03 MiB	+ 28.12 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.

PO File

PHP

CSS

Language		%	Lines of code	Comment lines	Files
	PO File	53.6%	3,157	865	21
	PHP	32.5%	1,913	262	5
	CSS	10.3%	609	17	3
	JavaScript	3.5%	207	21	3
	SVG	0.0%	1	0	1
Total			5,887	1,165	33

PHP Code Analysis | More results »

Lines of code	1,405
Total complexity	262
Median class complexity	131.0
Median method complexity	2.0
Most complex class	NNR_HFCM
Most complex function	NNR_HFCM::hfcm_add_snippets()

Classes	2
Methods	49
Functions	0

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.

Database Tables 1

wp_hfcm_scripts

Options `wp_options` 2

hfcm_activation_date
hfcm_db_version

PHP Error Log

The log file is empty.

Header Footer Code Manager 1.1.22