Report - LiteSpeed Cache 2.9.9.2

Does LiteSpeed Cache work with WordPress 5.4 and PHP 7.2.16? A smoke test was performed on 2020-04-27 20:05:36 UTC.

Summary

Errors

28	Unrecognized messages in the PHP error log
	No JavaScript exceptions
	All test pages loaded successfully
	No resource errors

Performance

Memory usage: 564.72 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.041 seconds
The average page load time increased by this amount after activating the plugin.

Environment

WordPress version	5.4
PHP version	7.2.16
MySQL version	8.0.15
PHP memory limit	256M

Plugin Info

Last updated	2025-09-11T17:52:00+00:00
Active installs	7,000,000+
WordPress.org page	https://wordpress.org/plugins/litespeed-cache/
Badges	Get badge code

Pages 10

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL	/wp-admin/plugins.php?action=activate&plugin=litespeed-cache%2Flitespeed-cache.php&plugin_status=all&paged=1&s&_wpnonce=5a1cd39fc8
Aspect	after-activation
HTTP status	200
Load time	2.057 s
Memory usage	4.19 MiB
JS errors	None
Resource errors	None

Settings → LiteSpeed Cache

URL	/wp-admin/options-general.php?page=litespeedcache
Aspect	menu-item
HTTP status	200
Load time	0.800 s
Memory usage	4.4 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache

URL	/wp-admin/admin.php?page=lscache-settings
Aspect	menu-item
HTTP status	200
Load time	0.352 s
Memory usage	4.19 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Manage

URL	/wp-admin/admin.php?page=lscache-dash
Aspect	menu-item
HTTP status	200
Load time	0.389 s
Memory usage	4.26 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Edit .htaccess

URL	/wp-admin/admin.php?page=lscache-edit-htaccess
Aspect	menu-item
HTTP status	200
Load time	0.210 s
Memory usage	4.19 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Image Optimization

URL	/wp-admin/admin.php?page=lscache-optimization
Aspect	menu-item
HTTP status	200
Load time	0.224 s
Memory usage	4.18 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Crawler

URL	/wp-admin/admin.php?page=lscache-crawler
Aspect	menu-item
HTTP status	200
Load time	0.221 s
Memory usage	4.24 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Report

URL	/wp-admin/admin.php?page=lscache-report
Aspect	menu-item
HTTP status	200
Load time	0.263 s
Memory usage	4.2 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Import / Export

URL	/wp-admin/admin.php?page=lscache-import
Aspect	menu-item
HTTP status	200
Load time	0.223 s
Memory usage	4.2 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.321 s
Memory usage	3.82 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.343 s	0.295 s	-0.048 s	3.64 MiB	4.19 MiB	+ 562.02 KiB
/wp-admin/edit.php	0.202 s	0.318 s	+0.116 s	3.66 MiB	4.21 MiB	+ 563.19 KiB
/wp-admin/post-new.php	1.154 s	1.535 s	+0.381 s	5.43 MiB	6.01 MiB	+ 598.2 KiB
/wp-admin/upload.php	0.499 s	0.442 s	-0.057 s	3.5 MiB	4.13 MiB	+ 643.93 KiB
/wp-admin/options-writing.php	0.384 s	0.214 s	-0.170 s	3.58 MiB	4.08 MiB	+ 510.39 KiB
/wp-admin/media-new.php	0.216 s	0.234 s	+0.018 s	3.48 MiB	4.07 MiB	+ 605.84 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.170 s	0.231 s	+0.061 s	3.58 MiB	4.13 MiB	+ 562.59 KiB
/wp-admin/post-new.php?post_type=page	1.012 s	1.217 s	+0.205 s	5.42 MiB	6 MiB	+ 594.3 KiB
/wp-admin/options-discussion.php	0.334 s	0.253 s	-0.081 s	3.48 MiB	4.09 MiB	+ 620.88 KiB
/wp-admin/edit-comments.php	0.220 s	0.226 s	+0.006 s	3.59 MiB	4.13 MiB	+ 555.19 KiB
/	0.308 s	0.333 s	+0.025 s	3.43 MiB	3.82 MiB	+ 395.41 KiB
Average	0.440 s	0.482 s	+0.041 s	3.89 MiB	4.44 MiB	+ 564.72 KiB

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 2

wp_litespeed_img_optm
wp_litespeed_optimizer

Options `wp_options` 29

litespeed-adv-purge_all_hooks
litespeed-cache_uri_priv
litespeed-cache-cdn_mapping
litespeed-cache-conf
litespeed-cache-dns_prefetch
litespeed-cache-drop_qs
litespeed-cache-exclude-cache-roles
litespeed-cache-exclude-optimization-roles
litespeed-cache-vary-group
litespeed-cdn-ori_dir
litespeed-crawler-as-uids
litespeed-crawler-cookies
litespeed-excludes_uri
litespeed-forced_cache_uri
litespeed-gui-summary
litespeed-log_ignore_filters
litespeed-log_ignore_part_filters
litespeed-media-lazy-img-cls-excludes
litespeed-media-lazy-img-excludes
litespeed-media-webp_attribute
litespeed-object_global_groups
litespeed-object_non_persistent_groups
litespeed-optm_excludes
litespeed-optm-ccss-separate_posttype
litespeed-optm-css
litespeed-optm-css-separate_uri
litespeed-optm-js-defer-excludes
wp_litespeed_img_optm
wp_litespeed_optimizer

PHP Error Log 28 lines

[27-Apr-2020 20:05:51 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:05:51 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:05:51 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:05:52 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:05:53 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:05:54 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:05:55 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:05:55 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:05:56 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:05:57 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:05:57 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:05:59 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:05:59 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:05:59 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:05:59 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:06:01 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:06:01 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:06:01 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:06:01 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:06:02 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:06:02 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:06:02 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:06:04 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:06:04 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:06:04 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:06:05 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:06:05 UTC] wp-config file not writable for 'WP_CACHE'
[27-Apr-2020 20:06:05 UTC] wp-config file not writable for 'WP_CACHE'

LiteSpeed Cache 2.9.9.2