Report - A faster website! (aka defer.js) 2.0.0-beta.26

Does "An efficient lazy loader (defer.js)" work with WordPress 5.7 and PHP 7.4.8? A smoke test was performed on 2021-03-22 02:53:27 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: 99.93 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=4380952db8
Aspect	after-activation
HTTP status	200
Load time	0.970 s
Memory usage	2.89 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	4.309 s
Memory usage	3.06 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.277 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	0.270 s	0.390 s	+0.120 s	2.82 MiB	2.89 MiB	+ 67.71 KiB
/wp-admin/edit.php	0.190 s	0.206 s	+0.016 s	2.86 MiB	2.93 MiB	+ 67.71 KiB
/wp-admin/post-new.php	0.965 s	1.340 s	+0.375 s	5.02 MiB	5.16 MiB	+ 142.96 KiB
/wp-admin/upload.php	0.521 s	0.357 s	-0.164 s	2.7 MiB	2.82 MiB	+ 131.22 KiB
/wp-admin/options-writing.php	0.269 s	0.181 s	-0.088 s	2.71 MiB	2.81 MiB	+ 99.2 KiB
/wp-admin/media-new.php	0.249 s	0.189 s	-0.060 s	2.67 MiB	2.8 MiB	+ 131.39 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.189 s	0.189 s	+0.000 s	2.77 MiB	2.84 MiB	+ 69.55 KiB
/wp-admin/post-new.php?post_type=page	1.259 s	0.755 s	-0.504 s	5.01 MiB	5.14 MiB	+ 138.55 KiB
/wp-admin/options-discussion.php	0.302 s	0.239 s	-0.063 s	2.67 MiB	2.8 MiB	+ 131.7 KiB
/wp-admin/edit-comments.php	0.226 s	0.223 s	-0.003 s	2.78 MiB	2.84 MiB	+ 66.64 KiB
/	0.272 s	0.250 s	-0.022 s	2.65 MiB	2.7 MiB	+ 52.59 KiB
Average	0.428 s	0.393 s	-0.036 s	3.15 MiB	3.25 MiB	+ 99.93 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	91.8%	973	598	13
	CSS	7.8%	83	4	2
	JavaScript	0.4%	4	27	2
Total			1,060	629	17

PHP Code Analysis | More results »

Lines of code	458
Total complexity	90
Median class complexity	6.0
Median method complexity	1.0
Most complex class	Defer_Wordpress_Admin
Most complex function	Defer_Wordpress_Admin::save_settings()

Classes	7
Methods	37
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` 30

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_css_class
defer-wordpress_ignore_lazyload_css_selectors
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_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.26