Header Footer Code Manager 1.1.29

Does Header Footer Code Manager work with WordPress 6.1 and PHP 7.4.8? A smoke test was performed on .

Summary

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

Memory usage: 25.89 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 version6.1
PHP version7.4.8
MySQL version8.0.21
PHP memory limit256M
Plugin Info
Last updated
Active installs 500,000+
WordPress.org page https://wordpress.org/plugins/header-footer-code-manager/
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Pages 5

Plugins ‹ Test site — WordPress

Page screenshot: 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=4dc2c6b0e7
Aspect after-activation
HTTP status 200
Load time 0.304 s
Memory usage 3.54 MiB
JS errors None
Resource errors None

HFCM

Page screenshot: HFCM
URL /wp-admin/admin.php?page=hfcm-list
Aspect menu-item
HTTP status 200
Load time 0.244 s
Memory usage 3.5 MiB
JS errors None
Resource errors None

HFCM → Add New

Page screenshot: HFCM → Add New
URL /wp-admin/admin.php?page=hfcm-create
Aspect menu-item
HTTP status 200
Load time 0.703 s
Memory usage 3.72 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=6.1:168:55)\n    at e (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,wp-codemirror,underscore&ver=6.1:2:30038)\n    at t (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,wp-codemirror,underscore&ver=6.1:2:30340)",
        "trace": null,
        "code": null
    }
]
Resource errors None

HFCM → Tools

Page screenshot: HFCM → Tools
URL /wp-admin/admin.php?page=hfcm-tools
Aspect menu-item
HTTP status 200
Load time 0.160 s
Memory usage 3.54 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=6.1:148:106)\n    at e (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils&ver=6.1:2:30038)\n    at t (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils&ver=6.1:2:30340)",
        "trace": null,
        "code": null
    }
]
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
URL /
Aspect front-page
HTTP status 200
Load time 0.222 s
Memory usage 3.44 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.269 s0.248 s-0.021 s3.55 MiB3.58 MiB+ 29.75 KiB
/wp-admin/edit.php0.178 s0.180 s+0.002 s3.58 MiB3.61 MiB+ 29.02 KiB
/wp-admin/post-new.php0.776 s0.718 s-0.058 s5.48 MiB5.51 MiB+ 38.09 KiB
/wp-admin/upload.php0.522 s0.431 s-0.091 s3.49 MiB3.52 MiB+ 29.21 KiB
/wp-admin/options-writing.php0.161 s0.170 s+0.009 s3.49 MiB3.5 MiB+ 10.34 KiB
/wp-admin/media-new.php0.307 s0.204 s-0.103 s3.47 MiB3.5 MiB+ 29.38 KiB
/wp-admin/edit-tags.php?taxonomy=category0.226 s0.178 s-0.048 s3.5 MiB3.55 MiB+ 45.83 KiB
/wp-admin/post-new.php?post_type=page0.614 s0.589 s-0.025 s5.47 MiB5.5 MiB+ 29.65 KiB
/wp-admin/options-discussion.php0.234 s0.212 s-0.022 s3.47 MiB3.5 MiB+ 29.71 KiB
/wp-admin/edit-comments.php0.209 s0.200 s-0.009 s3.5 MiB3.55 MiB+ 48.65 KiB
/0.299 s0.209 s-0.090 s3.47 MiB3.44 MiB- 34.89 KiB
Average 0.345 s0.304 s-0.041 s3.86 MiB3.89 MiB+ 25.89 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.

PHP
CSS
PO File
Language % Lines of code Comment lines Files
PHP64.5%2,0072675
CSS19.6%609173
PO File8.5%2652641
JavaScript7.4%230213
SVG0.0%101
Total 3,112 569 13

PHP Code Analysis | More results »

Lines of code 1,478
Total complexity 268
Median class complexity 134.0
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

Options wp_options 2

User Metadata wp_usermeta 1

PHP Error Log

The log file is empty.

See also: All tests for this plugin, How to Hide Header Footer Code Manager Admin Menus