Report - A faster website! (aka defer.js) 2.0.0-beta.16

Does "An efficient lazy loader (defer.js)" work with WordPress 5.6.1 and PHP 7.4.8? A smoke test was performed on 2021-02-18 01:17:59 UTC.

Summary

Errors

	No PHP errors, warnings or notices
	No JavaScript exceptions
	All test pages loaded successfully
	No resource errors
	Looks good! No problems were detected.

Performance

Memory usage: 94.5 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	5.6.1
PHP version	7.4.8
MySQL version	8.0.21
PHP memory limit	256M

Plugin Info

Last updated	2025-09-02T07:55:00+00:00
Active installs	300+
WordPress.org page	https://wordpress.org/plugins/shins-pageload-magic/
Badges	Get badge code

Pages 3

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL	/wp-admin/plugins.php?action=activate&plugin=shins-pageload-magic%2Fshins-pageload-magic.php&plugin_status=all&paged=1&s&_wpnonce=b5c8f8784d
Aspect	after-activation
HTTP status	200
Load time	0.736 s
Memory usage	3.06 MiB
JS errors	None
Resource errors	None

My defer.js

URL	/wp-admin/admin.php?page=defer-wordpress
Aspect	menu-item
HTTP status	200
Load time	0.685 s
Memory usage	3.08 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.236 s
Memory usage	2.67 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.263 s	0.287 s	+0.024 s	2.79 MiB	2.85 MiB	+ 55.32 KiB
/wp-admin/edit.php	0.181 s	0.207 s	+0.026 s	2.84 MiB	2.89 MiB	+ 55.32 KiB
/wp-admin/post-new.php	0.865 s	1.135 s	+0.270 s	4.93 MiB	5.06 MiB	+ 131.82 KiB
/wp-admin/upload.php	0.535 s	0.325 s	-0.210 s	2.67 MiB	2.78 MiB	+ 118.59 KiB
/wp-admin/options-writing.php	0.234 s	0.147 s	-0.087 s	2.68 MiB	2.77 MiB	+ 86.2 KiB
/wp-admin/media-new.php	0.210 s	0.161 s	-0.049 s	2.65 MiB	2.76 MiB	+ 118.4 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.176 s	0.195 s	+0.019 s	2.68 MiB	2.8 MiB	+ 119.3 KiB
/wp-admin/post-new.php?post_type=page	1.146 s	0.795 s	-0.351 s	4.92 MiB	5.05 MiB	+ 127.41 KiB
/wp-admin/options-discussion.php	0.315 s	0.271 s	-0.044 s	2.65 MiB	2.76 MiB	+ 118.71 KiB
/wp-admin/edit-comments.php	0.224 s	0.219 s	-0.005 s	2.75 MiB	2.8 MiB	+ 54.25 KiB
/	0.713 s	0.318 s	-0.395 s	2.61 MiB	2.67 MiB	+ 54.22 KiB
Average	0.442 s	0.369 s	-0.073 s	3.11 MiB	3.2 MiB	+ 94.5 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

Language		%	Lines of code	Comment lines	Files
	PHP	91.9%	854	592	13
	CSS	7.6%	71	4	2
	JavaScript	0.4%	4	27	2
Total			929	623	17

PHP Code Analysis | More results »

Lines of code	433
Total complexity	78
Median class complexity	6.0
Median method complexity	1.0
Most complex class	Defer_Wordpress_Admin
Most complex function	defer_wp_instance()

Classes	7
Methods	35
Functions	6

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` 27

defer-wordpress_add_missing_meta_tags
defer-wordpress_copyright
defer-wordpress_custom_splash_screen
defer-wordpress_default_defer_time
defer-wordpress_defer_third_party
defer-wordpress_deferjs_src
defer-wordpress_deferjs_type_attribute
defer-wordpress_enable_dns_prefetch
defer-wordpress_enable_lazyloading
defer-wordpress_enable_preloading
defer-wordpress_fix_render_blocking
defer-wordpress_iframe_placeholder
defer-wordpress_ignore_lazyload_paths
defer-wordpress_ignore_lazyload_texts
defer-wordpress_img_placeholder
defer-wordpress_inline_deferjs
defer-wordpress_long_copyright
defer-wordpress_offline_cache_path
defer-wordpress_offline_cache_ttl
defer-wordpress_optimize_background
defer-wordpress_optimize_css
defer-wordpress_optimize_fallback
defer-wordpress_optimize_iframes
defer-wordpress_optimize_images
defer-wordpress_optimize_scripts
defer-wordpress_polyfill_src
defer-wordpressversion

PHP Error Log

The log file is empty.

A faster website! (aka defer.js) 2.0.0-beta.16