Report - Header Footer Code Manager 1.1.15

Does Header Footer Code Manager work with WordPress 5.8.2 and PHP 7.4.8? A smoke test was performed on 2021-11-10 20:00:08 UTC.

Summary

Errors

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

Performance

Memory usage: 22.88 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	5.8.2
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=1c2007645b
Aspect	after-activation
HTTP status	200
Load time	0.460 s
Memory usage	3.06 MiB
JS errors	None
Resource errors	None

HFCM

URL	/wp-admin/admin.php?page=hfcm-list
Aspect	menu-item
HTTP status	200
Load time	0.183 s
Memory usage	3.03 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	0.646 s
Memory usage	3.19 MiB
JS errors	None
Resource errors	None

HFCM → Tools

URL	/wp-admin/admin.php?page=hfcm-tools
Aspect	menu-item
HTTP status	200
Load time	0.160 s
Memory usage	3.07 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=5.8.2:87:102)\n at e (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils&ver=5.8.2:2:30038)\n at t (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils&ver=5.8.2:2:30340)", "trace": null, "code": null } ]`
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.214 s
Memory usage	2.92 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.301 s	0.286 s	-0.015 s	3.08 MiB	3.1 MiB	+ 22.58 KiB
/wp-admin/edit.php	0.193 s	0.197 s	+0.004 s	3.11 MiB	3.2 MiB	+ 86.56 KiB
/wp-admin/post-new.php	0.968 s	1.130 s	+0.162 s	5.27 MiB	5.3 MiB	+ 32.42 KiB
/wp-admin/upload.php	0.427 s	0.303 s	-0.124 s	3.03 MiB	3.05 MiB	+ 22.03 KiB
/wp-admin/options-writing.php	0.157 s	0.156 s	-0.001 s	3.02 MiB	3.03 MiB	+ 6.02 KiB
/wp-admin/media-new.php	0.402 s	0.400 s	-0.002 s	3.01 MiB	3.03 MiB	+ 22.2 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.192 s	0.182 s	-0.010 s	3.04 MiB	3.06 MiB	+ 23.11 KiB
/wp-admin/post-new.php?post_type=page	1.598 s	0.963 s	-0.635 s	5.26 MiB	5.29 MiB	+ 28.01 KiB
/wp-admin/options-discussion.php	0.371 s	0.239 s	-0.132 s	3 MiB	3.03 MiB	+ 22.53 KiB
/wp-admin/edit-comments.php	0.223 s	0.212 s	-0.011 s	3.04 MiB	3.06 MiB	+ 21.47 KiB
/	0.287 s	0.214 s	-0.073 s	2.96 MiB	2.92 MiB	- 35.23 KiB
Average	0.465 s	0.389 s	-0.076 s	3.44 MiB	3.46 MiB	+ 22.88 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	56.7%	3,157	865	21
	PHP	30.7%	1,710	247	5
	CSS	10.6%	588	17	3
	JavaScript	2.1%	117	7	3
Total			5,572	1,136	32

PHP Code Analysis | More results »

Lines of code	1,223
Total complexity	229
Median class complexity	114.5
Median method complexity	2.0
Most complex class	NNR_HFCM
Most complex function	NNR_HFCM::hfcm_add_snippets()

Classes	2
Methods	44
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 4 lines

[10-Nov-2021 20:00:25 UTC] PHP Notice:  Undefined variable: ex_posts in /wp-content/plugins/header-footer-code-manager/99robots-header-footer-code-manager.php on line 855
[10-Nov-2021 20:00:25 UTC] PHP Warning:  in_array() expects parameter 2 to be array, null given in /wp-content/plugins/header-footer-code-manager/99robots-header-footer-code-manager.php on line 855
[10-Nov-2021 20:00:25 UTC] PHP Notice:  Undefined variable: s_posts in /wp-content/plugins/header-footer-code-manager/99robots-header-footer-code-manager.php on line 859
[10-Nov-2021 20:00:25 UTC] PHP Warning:  in_array() expects parameter 2 to be array, null given in /wp-content/plugins/header-footer-code-manager/99robots-header-footer-code-manager.php on line 859

Header Footer Code Manager 1.1.15