Report - LiteSpeed Cache 4.4

Does LiteSpeed Cache work with WordPress 5.8.1 and PHP 7.4.8? A smoke test was performed on 2021-09-09 03:37:22 UTC.

Summary

Errors

2	PHP notices
	No JavaScript exceptions
	All test pages loaded successfully
	No resource errors

Performance

Memory usage: 751.63 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	5.8.1
PHP version	7.4.8
MySQL version	8.0.21
PHP memory limit	256M

Plugin Info

Last updated	2025-10-17T14:55:00+00:00
Active installs	7,000,000+
WordPress.org page	https://wordpress.org/plugins/litespeed-cache/
Badges	Get badge code

Pages 48

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=4ada7ecf8a
Aspect	after-activation
HTTP status	200
Load time	3.495 s
Memory usage	4.05 MiB
JS errors	None
Resource errors	None

Settings → LiteSpeed Cache

URL	/wp-admin/options-general.php?page=litespeed-cache-options
Aspect	menu-item
HTTP status	200
Load time	0.373 s
Memory usage	4.01 MiB
JS errors	None
Resource errors	None

Settings → LiteSpeed Cache → TTL

URL	/wp-admin/options-general.php?page=litespeed-cache-options
Aspect	menu-item-tab
HTTP status	200
Load time	0.247 s
Memory usage	3.78 MiB
JS errors	None
Resource errors	None

Settings → LiteSpeed Cache → Purge

URL	/wp-admin/options-general.php?page=litespeed-cache-options
Aspect	menu-item-tab
HTTP status	200
Load time	0.258 s
Memory usage	3.78 MiB
JS errors	None
Resource errors	None

Settings → LiteSpeed Cache → Excludes

URL	/wp-admin/options-general.php?page=litespeed-cache-options
Aspect	menu-item-tab
HTTP status	200
Load time	0.236 s
Memory usage	3.78 MiB
JS errors	None
Resource errors	None

Settings → LiteSpeed Cache → ESI

URL	/wp-admin/options-general.php?page=litespeed-cache-options
Aspect	menu-item-tab
HTTP status	200
Load time	0.379 s
Memory usage	3.78 MiB
JS errors	None
Resource errors	None

Settings → LiteSpeed Cache → Object

URL	/wp-admin/options-general.php?page=litespeed-cache-options
Aspect	menu-item-tab
HTTP status	200
Load time	0.230 s
Memory usage	3.78 MiB
JS errors	None
Resource errors	None

Settings → LiteSpeed Cache → Browser

URL	/wp-admin/options-general.php?page=litespeed-cache-options
Aspect	menu-item-tab
HTTP status	200
Load time	0.239 s
Memory usage	3.78 MiB
JS errors	None
Resource errors	None

Settings → LiteSpeed Cache → Advanced

URL	/wp-admin/options-general.php?page=litespeed-cache-options
Aspect	menu-item-tab
HTTP status	200
Load time	0.233 s
Memory usage	3.78 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache

URL	/wp-admin/admin.php?page=litespeed
Aspect	menu-item
HTTP status	200
Load time	0.220 s
Memory usage	4.13 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → General

URL	/wp-admin/admin.php?page=litespeed-general
Aspect	menu-item
HTTP status	200
Load time	0.214 s
Memory usage	3.8 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → General → Tuning

URL	/wp-admin/admin.php?page=litespeed-general
Aspect	menu-item-tab
HTTP status	200
Load time	0.178 s
Memory usage	3.74 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Cache

URL	/wp-admin/admin.php?page=litespeed-cache
Aspect	menu-item
HTTP status	200
Load time	0.232 s
Memory usage	3.78 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Cache → TTL

URL	/wp-admin/admin.php?page=litespeed-cache
Aspect	menu-item-tab
HTTP status	200
Load time	0.228 s
Memory usage	3.78 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Cache → Purge

URL	/wp-admin/admin.php?page=litespeed-cache
Aspect	menu-item-tab
HTTP status	200
Load time	0.278 s
Memory usage	3.78 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Cache → Excludes

URL	/wp-admin/admin.php?page=litespeed-cache
Aspect	menu-item-tab
HTTP status	200
Load time	0.255 s
Memory usage	3.78 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Cache → ESI

URL	/wp-admin/admin.php?page=litespeed-cache
Aspect	menu-item-tab
HTTP status	200
Load time	0.267 s
Memory usage	3.78 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Cache → Object

URL	/wp-admin/admin.php?page=litespeed-cache
Aspect	menu-item-tab
HTTP status	200
Load time	0.226 s
Memory usage	3.78 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Cache → Browser

URL	/wp-admin/admin.php?page=litespeed-cache
Aspect	menu-item-tab
HTTP status	200
Load time	0.236 s
Memory usage	3.78 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Cache → Advanced

URL	/wp-admin/admin.php?page=litespeed-cache
Aspect	menu-item-tab
HTTP status	200
Load time	0.262 s
Memory usage	3.78 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → CDN

URL	/wp-admin/admin.php?page=litespeed-cdn
Aspect	menu-item
HTTP status	200
Load time	0.506 s
Memory usage	3.82 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → CDN → Manage

URL	/wp-admin/admin.php?page=litespeed-cdn
Aspect	menu-item-tab
HTTP status	200
Load time	0.235 s
Memory usage	3.76 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Image Optimization

URL	/wp-admin/admin.php?page=litespeed-img_optm
Aspect	menu-item
HTTP status	200
Load time	0.368 s
Memory usage	3.89 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Image Optimization → Image Optimization Settings

URL	/wp-admin/admin.php?page=litespeed-img_optm
Aspect	menu-item-tab
HTTP status	200
Load time	0.255 s
Memory usage	3.84 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Page Optimization

URL	/wp-admin/admin.php?page=litespeed-page_optm
Aspect	menu-item
HTTP status	200
Load time	0.291 s
Memory usage	3.95 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Page Optimization → JS Settings

URL	/wp-admin/admin.php?page=litespeed-page_optm
Aspect	menu-item-tab
HTTP status	200
Load time	0.222 s
Memory usage	3.83 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Page Optimization → HTML Settings

URL	/wp-admin/admin.php?page=litespeed-page_optm
Aspect	menu-item-tab
HTTP status	200
Load time	0.226 s
Memory usage	3.83 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Page Optimization → Media Settings

URL	/wp-admin/admin.php?page=litespeed-page_optm
Aspect	menu-item-tab
HTTP status	200
Load time	0.276 s
Memory usage	3.83 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Page Optimization → Media Excludes

URL	/wp-admin/admin.php?page=litespeed-page_optm
Aspect	menu-item-tab
HTTP status	200
Load time	0.219 s
Memory usage	3.83 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Page Optimization → Localization

URL	/wp-admin/admin.php?page=litespeed-page_optm
Aspect	menu-item-tab
HTTP status	200
Load time	0.250 s
Memory usage	3.83 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Page Optimization → Tuning

URL	/wp-admin/admin.php?page=litespeed-page_optm
Aspect	menu-item-tab
HTTP status	200
Load time	0.228 s
Memory usage	3.83 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Database

URL	/wp-admin/admin.php?page=litespeed-db_optm
Aspect	menu-item
HTTP status	200
Load time	0.253 s
Memory usage	3.83 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Database → DB Optimization Settings

URL	/wp-admin/admin.php?page=litespeed-db_optm
Aspect	menu-item-tab
HTTP status	200
Load time	0.184 s
Memory usage	3.72 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Crawler

URL	/wp-admin/admin.php?page=litespeed-crawler
Aspect	menu-item
HTTP status	200
Load time	0.556 s
Memory usage	3.88 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Crawler → Map

URL	/wp-admin/admin.php?page=litespeed-crawler
Aspect	menu-item-tab
HTTP status	200
Load time	0.251 s
Memory usage	3.82 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Crawler → Blacklist

URL	/wp-admin/admin.php?page=litespeed-crawler
Aspect	menu-item-tab
HTTP status	200
Load time	0.223 s
Memory usage	3.82 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Crawler → General Settings

URL	/wp-admin/admin.php?page=litespeed-crawler
Aspect	menu-item-tab
HTTP status	200
Load time	0.557 s
Memory usage	3.82 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Crawler → Simulation Settings

URL	/wp-admin/admin.php?page=litespeed-crawler
Aspect	menu-item-tab
HTTP status	200
Load time	0.236 s
Memory usage	3.82 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Crawler → Sitemap Settings

URL	/wp-admin/admin.php?page=litespeed-crawler
Aspect	menu-item-tab
HTTP status	200
Load time	0.503 s
Memory usage	3.82 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Toolbox

URL	/wp-admin/admin.php?page=litespeed-toolbox
Aspect	menu-item
HTTP status	200
Load time	0.342 s
Memory usage	3.95 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Toolbox → Import / Export

URL	/wp-admin/admin.php?page=litespeed-toolbox
Aspect	menu-item-tab
HTTP status	200
Load time	0.232 s
Memory usage	3.81 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Toolbox → Edit .htaccess

URL	/wp-admin/admin.php?page=litespeed-toolbox
Aspect	menu-item-tab
HTTP status	200
Load time	0.261 s
Memory usage	3.81 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Toolbox → Heartbeat

URL	/wp-admin/admin.php?page=litespeed-toolbox
Aspect	menu-item-tab
HTTP status	200
Load time	0.231 s
Memory usage	3.81 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Toolbox → Report

URL	/wp-admin/admin.php?page=litespeed-toolbox
Aspect	menu-item-tab
HTTP status	200
Load time	0.255 s
Memory usage	3.81 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Toolbox → Debug Settings

URL	/wp-admin/admin.php?page=litespeed-toolbox
Aspect	menu-item-tab
HTTP status	200
Load time	0.230 s
Memory usage	3.81 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Toolbox → Log View

URL	/wp-admin/admin.php?page=litespeed-toolbox
Aspect	menu-item-tab
HTTP status	200
Load time	0.224 s
Memory usage	3.81 MiB
JS errors	None
Resource errors	None

LiteSpeed Cache → Toolbox → Beta Test

URL	/wp-admin/admin.php?page=litespeed-toolbox
Aspect	menu-item-tab
HTTP status	200
Load time	0.250 s
Memory usage	3.81 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.324 s
Memory usage	3.51 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.273 s	0.355 s	+0.082 s	3.08 MiB	3.85 MiB	+ 784.23 KiB
/wp-admin/edit.php	0.164 s	0.180 s	+0.016 s	3.11 MiB	3.88 MiB	+ 787.29 KiB
/wp-admin/post-new.php	0.721 s	0.938 s	+0.217 s	5.27 MiB	6.14 MiB	+ 895.08 KiB
/wp-admin/upload.php	0.514 s	0.296 s	-0.218 s	3.03 MiB	3.75 MiB	+ 737.25 KiB
/wp-admin/options-writing.php	0.134 s	0.146 s	+0.012 s	3.02 MiB	3.68 MiB	+ 670.73 KiB
/wp-admin/media-new.php	0.260 s	0.201 s	-0.059 s	3.01 MiB	3.68 MiB	+ 688.43 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.218 s	0.300 s	+0.082 s	3.04 MiB	3.79 MiB	+ 768.52 KiB
/wp-admin/post-new.php?post_type=page	0.984 s	0.704 s	-0.280 s	5.26 MiB	6.12 MiB	+ 886.98 KiB
/wp-admin/options-discussion.php	0.243 s	0.318 s	+0.075 s	3 MiB	3.69 MiB	+ 703.55 KiB
/wp-admin/edit-comments.php	0.204 s	0.281 s	+0.077 s	3.04 MiB	3.79 MiB	+ 767.31 KiB
/	0.310 s	0.252 s	-0.058 s	2.94 MiB	3.51 MiB	+ 578.55 KiB
Average	0.366 s	0.361 s	-0.005 s	3.44 MiB	4.17 MiB	+ 751.63 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

Language		%	Lines of code	Comment lines	Files
	PHP	80.6%	23,721	9,001	131
	CSS	9.5%	2,799	121	2
	SVG	4.3%	1,253	29	30
	JavaScript	4.1%	1,210	125	10
	INI	1.3%	396	192	2
	SQL	0.2%	57	0	7
Total			29,436	9,468	182

PHP Code Analysis | More results »

Lines of code	18,588
Total complexity	4,550
Median class complexity	53.5
Median method complexity	3.0
Most complex class	LiteSpeed\Optimize
Most complex function	LiteSpeed\Optimize::_optimize()

Classes	60
Methods	920
Functions	29

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_url
wp_litespeed_url_file

Options `wp_options` 191

litespeed.cloud._summary
litespeed.conf._version
litespeed.conf.api_key
litespeed.conf.auto_upgrade
litespeed.conf.cache
litespeed.conf.cache-browser
litespeed.conf.cache-commenter
litespeed.conf.cache-drop_qs
litespeed.conf.cache-exc
litespeed.conf.cache-exc_cat
litespeed.conf.cache-exc_cookies
litespeed.conf.cache-exc_qs
litespeed.conf.cache-exc_roles
litespeed.conf.cache-exc_tag
litespeed.conf.cache-exc_useragents
litespeed.conf.cache-favicon
litespeed.conf.cache-force_pub_uri
litespeed.conf.cache-force_uri
litespeed.conf.cache-login_cookie
litespeed.conf.cache-mobile
litespeed.conf.cache-mobile_rules
litespeed.conf.cache-page_login
litespeed.conf.cache-priv
litespeed.conf.cache-priv_uri
litespeed.conf.cache-resources
litespeed.conf.cache-rest
litespeed.conf.cache-ttl_browser
litespeed.conf.cache-ttl_feed
litespeed.conf.cache-ttl_frontpage
litespeed.conf.cache-ttl_priv
litespeed.conf.cache-ttl_pub
litespeed.conf.cache-ttl_rest
litespeed.conf.cache-ttl_status
litespeed.conf.cache-vary_group
litespeed.conf.cdn
litespeed.conf.cdn-attr
litespeed.conf.cdn-cloudflare
litespeed.conf.cdn-cloudflare_email
litespeed.conf.cdn-cloudflare_key
litespeed.conf.cdn-cloudflare_name
litespeed.conf.cdn-cloudflare_zone
litespeed.conf.cdn-exc
litespeed.conf.cdn-mapping
litespeed.conf.cdn-ori
litespeed.conf.cdn-ori_dir
litespeed.conf.cdn-quic
litespeed.conf.crawler
litespeed.conf.crawler-cookies
litespeed.conf.crawler-crawl_interval
litespeed.conf.crawler-drop_domain
litespeed.conf.crawler-load_limit
litespeed.conf.crawler-map_timeout
litespeed.conf.crawler-roles
litespeed.conf.crawler-run_duration
litespeed.conf.crawler-run_interval
litespeed.conf.crawler-sitemap
litespeed.conf.crawler-threads
litespeed.conf.crawler-timeout
litespeed.conf.crawler-usleep
litespeed.conf.db_optm-revisions_age
litespeed.conf.db_optm-revisions_max
litespeed.conf.debug
litespeed.conf.debug-collaps_qs
litespeed.conf.debug-cookie
litespeed.conf.debug-disable_all
litespeed.conf.debug-exc
litespeed.conf.debug-filesize
litespeed.conf.debug-inc
litespeed.conf.debug-ips
litespeed.conf.debug-level
litespeed.conf.discuss-avatar_cache
litespeed.conf.discuss-avatar_cache_ttl
litespeed.conf.discuss-avatar_cron
litespeed.conf.esi
litespeed.conf.esi-cache_admbar
litespeed.conf.esi-cache_commform
litespeed.conf.esi-nonce
litespeed.conf.guest
litespeed.conf.guest_ips
litespeed.conf.guest_optm
litespeed.conf.guest_uas
litespeed.conf.hash
litespeed.conf.img_optm-auto
litespeed.conf.img_optm-cron
litespeed.conf.img_optm-exif
litespeed.conf.img_optm-jpg_quality
litespeed.conf.img_optm-lossless
litespeed.conf.img_optm-ori
litespeed.conf.img_optm-rm_bkup
litespeed.conf.img_optm-webp
litespeed.conf.img_optm-webp_attr
litespeed.conf.img_optm-webp_replace
litespeed.conf.img_optm-webp_replace_srcset
litespeed.conf.media-add_missing_sizes
litespeed.conf.media-iframe_lazy
litespeed.conf.media-iframe_lazy_cls_exc
litespeed.conf.media-iframe_lazy_parent_cls_exc
litespeed.conf.media-lazy
litespeed.conf.media-lazy_cls_exc
litespeed.conf.media-lazy_exc
litespeed.conf.media-lazy_parent_cls_exc
litespeed.conf.media-lazy_placeholder
litespeed.conf.media-lazy_uri_exc
litespeed.conf.media-lazyjs_inline
litespeed.conf.media-lqip
litespeed.conf.media-lqip_exc
litespeed.conf.media-lqip_min_h
litespeed.conf.media-lqip_min_w
litespeed.conf.media-lqip_qual
litespeed.conf.media-placeholder_resp
litespeed.conf.media-placeholder_resp_async
litespeed.conf.media-placeholder_resp_color
litespeed.conf.media-placeholder_resp_svg
litespeed.conf.misc-heartbeat_back
litespeed.conf.misc-heartbeat_back_ttl
litespeed.conf.misc-heartbeat_editor
litespeed.conf.misc-heartbeat_editor_ttl
litespeed.conf.misc-heartbeat_front
litespeed.conf.misc-heartbeat_front_ttl
litespeed.conf.misc-htaccess_back
litespeed.conf.misc-htaccess_front
litespeed.conf.news
litespeed.conf.object
litespeed.conf.object-admin
litespeed.conf.object-db_id
litespeed.conf.object-global_groups
litespeed.conf.object-host
litespeed.conf.object-kind
litespeed.conf.object-life
litespeed.conf.object-non_persistent_groups
litespeed.conf.object-persistent
litespeed.conf.object-port
litespeed.conf.object-pswd
litespeed.conf.object-transients
litespeed.conf.object-user
litespeed.conf.optm-ccss_con
litespeed.conf.optm-ccss_per_url
litespeed.conf.optm-ccss_sep_posttype
litespeed.conf.optm-ccss_sep_uri
litespeed.conf.optm-css_async
litespeed.conf.optm-css_async_inline
litespeed.conf.optm-css_comb
litespeed.conf.optm-css_comb_ext_inl
litespeed.conf.optm-css_exc
litespeed.conf.optm-css_font_display
litespeed.conf.optm-css_http2
litespeed.conf.optm-css_min
litespeed.conf.optm-dns_prefetch
litespeed.conf.optm-dns_prefetch_ctrl
litespeed.conf.optm-emoji_rm
litespeed.conf.optm-exc
litespeed.conf.optm-exc_roles
litespeed.conf.optm-ggfonts_async
litespeed.conf.optm-ggfonts_rm
litespeed.conf.optm-gm_js_exc
litespeed.conf.optm-guest_only
litespeed.conf.optm-html_lazy
litespeed.conf.optm-html_min
litespeed.conf.optm-js_comb
litespeed.conf.optm-js_comb_ext_inl
litespeed.conf.optm-js_defer
litespeed.conf.optm-js_defer_exc
litespeed.conf.optm-js_exc
litespeed.conf.optm-js_http2
litespeed.conf.optm-js_min
litespeed.conf.optm-noscript_rm
litespeed.conf.optm-qs_rm
litespeed.conf.optm-ucss
litespeed.conf.optm-ucss_exc
litespeed.conf.optm-ucss_inline
litespeed.conf.optm-ucss_whitelist
litespeed.conf.purge-hook_all
litespeed.conf.purge-post_a
litespeed.conf.purge-post_all
litespeed.conf.purge-post_d
litespeed.conf.purge-post_f
litespeed.conf.purge-post_h
litespeed.conf.purge-post_m
litespeed.conf.purge-post_p
litespeed.conf.purge-post_pt
litespeed.conf.purge-post_pwrp
litespeed.conf.purge-post_t
litespeed.conf.purge-post_y
litespeed.conf.purge-stale
litespeed.conf.purge-timed_urls
litespeed.conf.purge-timed_urls_time
litespeed.conf.purge-upgrade
litespeed.conf.server_ip
litespeed.conf.util-instant_click
litespeed.conf.util-no_https_vary
litespeed.gui._summary

PHP Error Log 2 lines

[09-Sep-2021 03:38:03 UTC] PHP Notice:  Undefined index: usage.img_optm in /wp-content/plugins/litespeed-cache/src/cloud.cls.php on line 247
[09-Sep-2021 03:38:03 UTC] PHP Notice:  Undefined index: usage.img_optm in /wp-content/plugins/litespeed-cache/src/cloud.cls.php on line 247

LiteSpeed Cache 4.4