Report - A faster website! (aka defer.js) 2.0.0-beta.23

Does "An efficient lazy loader (defer.js)" work with WordPress 5.7 and PHP 7.4.8? A smoke test was performed on 2021-03-13 09:18:17 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: 96.97 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	5.7
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=e5256c9ed4
Aspect	after-activation
HTTP status	200
Load time	0.896 s
Memory usage	3.1 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	0.607 s
Memory usage	3.18 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.344 s
Memory usage	2.7 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.264 s	0.278 s	+0.014 s	2.82 MiB	2.88 MiB	+ 64.67 KiB
/wp-admin/edit.php	0.181 s	0.208 s	+0.027 s	2.86 MiB	2.93 MiB	+ 64.67 KiB
/wp-admin/post-new.php	0.948 s	1.202 s	+0.254 s	5.02 MiB	5.16 MiB	+ 139.92 KiB
/wp-admin/upload.php	0.506 s	0.339 s	-0.167 s	2.7 MiB	2.82 MiB	+ 128.18 KiB
/wp-admin/options-writing.php	0.249 s	0.157 s	-0.092 s	2.71 MiB	2.8 MiB	+ 96.16 KiB
/wp-admin/media-new.php	0.221 s	0.276 s	+0.055 s	2.67 MiB	2.8 MiB	+ 128.35 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.187 s	0.285 s	+0.098 s	2.77 MiB	2.84 MiB	+ 66.51 KiB
/wp-admin/post-new.php?post_type=page	1.299 s	0.814 s	-0.485 s	5.01 MiB	5.14 MiB	+ 135.51 KiB
/wp-admin/options-discussion.php	0.318 s	0.311 s	-0.007 s	2.67 MiB	2.8 MiB	+ 128.66 KiB
/wp-admin/edit-comments.php	0.222 s	0.233 s	+0.011 s	2.78 MiB	2.84 MiB	+ 63.6 KiB
/	0.307 s	0.271 s	-0.036 s	2.65 MiB	2.7 MiB	+ 50.45 KiB
Average	0.427 s	0.398 s	-0.030 s	3.15 MiB	3.25 MiB	+ 96.97 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	92.2%	884	598	13
	CSS	7.4%	71	4	2
	JavaScript	0.4%	4	27	2
Total			959	629	17

PHP Code Analysis | More results »

Lines of code	444
Total complexity	84
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	36
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` 29

defer-wordpress_add_missing_meta_tags
defer-wordpress_console_copyright
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_anchors
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.23