LiteSpeed Cache 6.4.1

Does LiteSpeed Cache work with WordPress 6.6.1 and PHP 8.1.12? A smoke test was performed on .

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: 411.53 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 version6.6.1
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 6,000,000+
WordPress.org page https://wordpress.org/plugins/litespeed-cache/
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Pages 55

Plugins ‹ Test site — WordPress

Page screenshot: 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=818b98bf53
Aspect after-activation
HTTP status 200
Load time 0.653 s
Memory usage 4.19 MiB
JS errors None
Resource errors None

Settings → LiteSpeed Cache

Page screenshot: Settings → LiteSpeed Cache
URL /wp-admin/options-general.php?page=litespeed-cache-options
Aspect menu-item
HTTP status 200
Load time 0.383 s
Memory usage 3.93 MiB
JS errors None
Resource errors None

Settings → LiteSpeed Cache → TTL

Page screenshot: Settings → LiteSpeed Cache → TTL
URL /wp-admin/options-general.php?page=litespeed-cache-options
Aspect menu-item-tab
HTTP status 200
Load time 0.248 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

Settings → LiteSpeed Cache → Purge

Page screenshot: Settings → LiteSpeed Cache → Purge
URL /wp-admin/options-general.php?page=litespeed-cache-options
Aspect menu-item-tab
HTTP status 200
Load time 0.259 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

Settings → LiteSpeed Cache → Excludes

Page screenshot: Settings → LiteSpeed Cache → Excludes
URL /wp-admin/options-general.php?page=litespeed-cache-options
Aspect menu-item-tab
HTTP status 200
Load time 0.286 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

Settings → LiteSpeed Cache → ESI

Page screenshot: Settings → LiteSpeed Cache → ESI
URL /wp-admin/options-general.php?page=litespeed-cache-options
Aspect menu-item-tab
HTTP status 200
Load time 0.264 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

Settings → LiteSpeed Cache → Object

Page screenshot: Settings → LiteSpeed Cache → Object
URL /wp-admin/options-general.php?page=litespeed-cache-options
Aspect menu-item-tab
HTTP status 200
Load time 0.276 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

Settings → LiteSpeed Cache → Browser

Page screenshot: Settings → LiteSpeed Cache → Browser
URL /wp-admin/options-general.php?page=litespeed-cache-options
Aspect menu-item-tab
HTTP status 200
Load time 0.261 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

Settings → LiteSpeed Cache → Advanced

Page screenshot: Settings → LiteSpeed Cache → Advanced
URL /wp-admin/options-general.php?page=litespeed-cache-options
Aspect menu-item-tab
HTTP status 200
Load time 0.251 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

LiteSpeed Cache

Page screenshot: LiteSpeed Cache
URL /wp-admin/admin.php?page=litespeed
Aspect menu-item
HTTP status 200
Load time 0.252 s
Memory usage 4.54 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Presets

Page screenshot: LiteSpeed Cache → Presets
URL /wp-admin/admin.php?page=litespeed-presets
Aspect menu-item
HTTP status 200
Load time 0.277 s
Memory usage 3.95 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Presets → Import / Export

Page screenshot: LiteSpeed Cache → Presets → Import / Export
URL /wp-admin/admin.php?page=litespeed-presets
Aspect menu-item-tab
HTTP status 200
Load time 0.187 s
Memory usage 3.81 MiB
JS errors None
Resource errors None

LiteSpeed Cache → General

Page screenshot: LiteSpeed Cache → General
URL /wp-admin/admin.php?page=litespeed-general
Aspect menu-item
HTTP status 200
Load time 0.204 s
Memory usage 3.87 MiB
JS errors None
Resource errors None

LiteSpeed Cache → General → Tuning

Page screenshot: LiteSpeed Cache → General → Tuning
URL /wp-admin/admin.php?page=litespeed-general
Aspect menu-item-tab
HTTP status 200
Load time 0.182 s
Memory usage 3.82 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Cache

Page screenshot: LiteSpeed Cache → Cache
URL /wp-admin/admin.php?page=litespeed-cache
Aspect menu-item
HTTP status 200
Load time 0.247 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Cache → TTL

Page screenshot: LiteSpeed Cache → Cache → TTL
URL /wp-admin/admin.php?page=litespeed-cache
Aspect menu-item-tab
HTTP status 200
Load time 0.243 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Cache → Purge

Page screenshot: LiteSpeed Cache → Cache → Purge
URL /wp-admin/admin.php?page=litespeed-cache
Aspect menu-item-tab
HTTP status 200
Load time 0.261 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Cache → Excludes

Page screenshot: LiteSpeed Cache → Cache → Excludes
URL /wp-admin/admin.php?page=litespeed-cache
Aspect menu-item-tab
HTTP status 200
Load time 0.240 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Cache → ESI

Page screenshot: LiteSpeed Cache → Cache → ESI
URL /wp-admin/admin.php?page=litespeed-cache
Aspect menu-item-tab
HTTP status 200
Load time 0.251 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Cache → Object

Page screenshot: LiteSpeed Cache → Cache → Object
URL /wp-admin/admin.php?page=litespeed-cache
Aspect menu-item-tab
HTTP status 200
Load time 0.237 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Cache → Browser

Page screenshot: LiteSpeed Cache → Cache → Browser
URL /wp-admin/admin.php?page=litespeed-cache
Aspect menu-item-tab
HTTP status 200
Load time 0.270 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Cache → Advanced

Page screenshot: LiteSpeed Cache → Cache → Advanced
URL /wp-admin/admin.php?page=litespeed-cache
Aspect menu-item-tab
HTTP status 200
Load time 0.243 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

LiteSpeed Cache → CDN

Page screenshot: LiteSpeed Cache → CDN
URL /wp-admin/admin.php?page=litespeed-cdn
Aspect menu-item
HTTP status 200
Load time 0.428 s
Memory usage 4 MiB
JS errors None
Resource errors None

LiteSpeed Cache → CDN → QUIC.cloud CDN Setup

Page screenshot: LiteSpeed Cache → CDN → QUIC.cloud CDN Setup
URL /wp-admin/admin.php?page=litespeed-cdn
Aspect menu-item-tab
HTTP status 200
Load time 0.267 s
Memory usage 3.82 MiB
JS errors None
Resource errors None

LiteSpeed Cache → CDN → Manage

Page screenshot: LiteSpeed Cache → CDN → Manage
URL /wp-admin/admin.php?page=litespeed-cdn
Aspect menu-item-tab
HTTP status 200
Load time 0.558 s
Memory usage 3.82 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Image Optimization

Page screenshot: LiteSpeed Cache → Image Optimization
URL /wp-admin/admin.php?page=litespeed-img_optm
Aspect menu-item
HTTP status 200
Load time 0.205 s
Memory usage 3.96 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Image Optimization → Image Optimization Settings

Page screenshot: 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 0.184 s
Memory usage 3.82 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Page Optimization

Page screenshot: LiteSpeed Cache → Page Optimization
URL /wp-admin/admin.php?page=litespeed-page_optm
Aspect menu-item
HTTP status 200
Load time 0.303 s
Memory usage 3.95 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Page Optimization → JS Settings

Page screenshot: LiteSpeed Cache → Page Optimization → JS Settings
URL /wp-admin/admin.php?page=litespeed-page_optm
Aspect menu-item-tab
HTTP status 200
Load time 0.243 s
Memory usage 3.86 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Page Optimization → HTML Settings

Page screenshot: LiteSpeed Cache → Page Optimization → HTML Settings
URL /wp-admin/admin.php?page=litespeed-page_optm
Aspect menu-item-tab
HTTP status 200
Load time 0.229 s
Memory usage 3.86 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Page Optimization → Media Settings

Page screenshot: LiteSpeed Cache → Page Optimization → Media Settings
URL /wp-admin/admin.php?page=litespeed-page_optm
Aspect menu-item-tab
HTTP status 200
Load time 0.258 s
Memory usage 3.86 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Page Optimization → VPI

Page screenshot: LiteSpeed Cache → Page Optimization → VPI
URL /wp-admin/admin.php?page=litespeed-page_optm
Aspect menu-item-tab
HTTP status 200
Load time 0.261 s
Memory usage 3.86 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Page Optimization → Media Excludes

Page screenshot: LiteSpeed Cache → Page Optimization → Media Excludes
URL /wp-admin/admin.php?page=litespeed-page_optm
Aspect menu-item-tab
HTTP status 200
Load time 0.231 s
Memory usage 3.86 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Page Optimization → Localization

Page screenshot: LiteSpeed Cache → Page Optimization → Localization
URL /wp-admin/admin.php?page=litespeed-page_optm
Aspect menu-item-tab
HTTP status 200
Load time 0.259 s
Memory usage 3.86 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Page Optimization → Tuning

Page screenshot: LiteSpeed Cache → Page Optimization → Tuning
URL /wp-admin/admin.php?page=litespeed-page_optm
Aspect menu-item-tab
HTTP status 200
Load time 0.236 s
Memory usage 3.86 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Page Optimization → Tuning - CSS

Page screenshot: LiteSpeed Cache → Page Optimization → Tuning - CSS
URL /wp-admin/admin.php?page=litespeed-page_optm
Aspect menu-item-tab
HTTP status 200
Load time 0.261 s
Memory usage 3.86 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Database

Page screenshot: LiteSpeed Cache → Database
URL /wp-admin/admin.php?page=litespeed-db_optm
Aspect menu-item
HTTP status 200
Load time 0.311 s
Memory usage 3.92 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Database → DB Optimization Settings

Page screenshot: LiteSpeed Cache → Database → DB Optimization Settings
URL /wp-admin/admin.php?page=litespeed-db_optm
Aspect menu-item-tab
HTTP status 200
Load time 0.196 s
Memory usage 3.81 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Crawler

Page screenshot: LiteSpeed Cache → Crawler
URL /wp-admin/admin.php?page=litespeed-crawler
Aspect menu-item
HTTP status 200
Load time 0.288 s
Memory usage 4.24 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Crawler → Map

Page screenshot: LiteSpeed Cache → Crawler → Map
URL /wp-admin/admin.php?page=litespeed-crawler
Aspect menu-item-tab
HTTP status 200
Load time 0.250 s
Memory usage 3.97 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Crawler → Blocklist

Page screenshot: LiteSpeed Cache → Crawler → Blocklist
URL /wp-admin/admin.php?page=litespeed-crawler
Aspect menu-item-tab
HTTP status 200
Load time 0.518 s
Memory usage 3.97 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Crawler → General Settings

Page screenshot: LiteSpeed Cache → Crawler → General Settings
URL /wp-admin/admin.php?page=litespeed-crawler
Aspect menu-item-tab
HTTP status 200
Load time 0.245 s
Memory usage 3.97 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Crawler → Simulation Settings

Page screenshot: LiteSpeed Cache → Crawler → Simulation Settings
URL /wp-admin/admin.php?page=litespeed-crawler
Aspect menu-item-tab
HTTP status 200
Load time 0.536 s
Memory usage 3.97 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Crawler → Sitemap Settings

Page screenshot: LiteSpeed Cache → Crawler → Sitemap Settings
URL /wp-admin/admin.php?page=litespeed-crawler
Aspect menu-item-tab
HTTP status 200
Load time 0.248 s
Memory usage 3.97 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Toolbox

Page screenshot: LiteSpeed Cache → Toolbox
URL /wp-admin/admin.php?page=litespeed-toolbox
Aspect menu-item
HTTP status 200
Load time 0.353 s
Memory usage 3.92 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Toolbox → Import / Export

Page screenshot: LiteSpeed Cache → Toolbox → Import / Export
URL /wp-admin/admin.php?page=litespeed-toolbox
Aspect menu-item-tab
HTTP status 200
Load time 0.254 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Toolbox → View .htaccess

Page screenshot: LiteSpeed Cache → Toolbox → View .htaccess
URL /wp-admin/admin.php?page=litespeed-toolbox
Aspect menu-item-tab
HTTP status 200
Load time 0.257 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Toolbox → Heartbeat

Page screenshot: LiteSpeed Cache → Toolbox → Heartbeat
URL /wp-admin/admin.php?page=litespeed-toolbox
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 → Toolbox → Report

Page screenshot: LiteSpeed Cache → Toolbox → Report
URL /wp-admin/admin.php?page=litespeed-toolbox
Aspect menu-item-tab
HTTP status 200
Load time 0.238 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Toolbox → Debug Settings

Page screenshot: LiteSpeed Cache → Toolbox → Debug Settings
URL /wp-admin/admin.php?page=litespeed-toolbox
Aspect menu-item-tab
HTTP status 200
Load time 0.241 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Toolbox → Log View

Page screenshot: LiteSpeed Cache → Toolbox → Log View
URL /wp-admin/admin.php?page=litespeed-toolbox
Aspect menu-item-tab
HTTP status 200
Load time 0.239 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Toolbox → Beta Test

Page screenshot: LiteSpeed Cache → Toolbox → Beta Test
URL /wp-admin/admin.php?page=litespeed-toolbox
Aspect menu-item-tab
HTTP status 200
Load time 0.255 s
Memory usage 3.84 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
URL /
Aspect front-page
HTTP status 200
Load time 0.249 s
Memory usage 3.71 MiB
JS errors None
Resource errors None

Add New Post ‹ Test site — WordPress

Page screenshot: Add New Post ‹ Test site — WordPress
URL /wp-admin/post-new.php
Aspect new-meta-boxes
HTTP status 200
Load time 0.754 s
Memory usage 6.29 MiB
JS errors None
Resource errors None

Add New Page ‹ Test site — WordPress

Page screenshot: Add New Page ‹ Test site — WordPress
URL /wp-admin/post-new.php?post_type=page
Aspect new-meta-boxes
HTTP status 200
Load time 0.955 s
Memory usage 6.28 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.326 s0.421 s+0.095 s3.47 MiB3.87 MiB+ 402.38 KiB
/wp-admin/edit.php0.206 s0.180 s-0.026 s3.54 MiB3.95 MiB+ 425.5 KiB
/wp-admin/post-new.php0.756 s0.899 s+0.143 s5.75 MiB6.3 MiB+ 555.73 KiB
/wp-admin/upload.php0.626 s0.503 s-0.123 s3.49 MiB3.84 MiB+ 363.46 KiB
/wp-admin/options-writing.php0.208 s0.250 s+0.042 s3.41 MiB3.81 MiB+ 413.4 KiB
/wp-admin/media-new.php0.227 s0.245 s+0.018 s3.4 MiB3.81 MiB+ 426.78 KiB
/wp-admin/edit-tags.php?taxonomy=category0.188 s0.186 s-0.002 s3.47 MiB3.83 MiB+ 367.95 KiB
/wp-admin/post-new.php?post_type=page0.588 s0.589 s+0.001 s5.75 MiB6.28 MiB+ 546.83 KiB
/wp-admin/options-discussion.php0.221 s0.253 s+0.032 s3.41 MiB3.81 MiB+ 415.09 KiB
/wp-admin/edit-comments.php0.236 s0.230 s-0.006 s3.49 MiB3.83 MiB+ 350.59 KiB
/0.312 s0.266 s-0.046 s3.45 MiB3.71 MiB+ 259.15 KiB
Average 0.354 s0.366 s+0.012 s3.88 MiB4.28 MiB+ 411.53 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
PHP80.3%28,45610,377145
CSS9.2%3,2611372
JavaScript5.0%1,75926611
SVG4.2%1,4723537
INI1.1%4001952
SQL0.2%6207
JSON0.0%1301
Markdown0.0%301
Total 35,426 11,010 206

PHP Code Analysis | More results »

Lines of code 22,538
Total complexity 5,375
Median class complexity 53.5
Median method complexity 3.0
Most complex class LiteSpeed\Img_Optm
Most complex function LiteSpeed\Optimize::_optimize()
Classes 68
Methods 1,064
Functions 40

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

Options wp_options 204

Meta Boxes

{
    "post": {
        "litespeed_meta_boxes": {
            "title": "LiteSpeed Options",
            "context": "side"
        }
    },
    "page": {
        "litespeed_meta_boxes": {
            "title": "LiteSpeed Options",
            "context": "side"
        }
    }
}

PHP Error Log

The log file is empty.

See also: All tests for this plugin, How to Hide LiteSpeed Cache Admin Menus and Meta Boxes