LiteSpeed Cache 2.9.3

Does LiteSpeed Cache work with WordPress 5.1 and PHP 7.0.16? A smoke test was performed on .

Summary

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

Memory usage: 357.98 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 version5.1
PHP version7.0.16
MySQL version5.7.17
PHP memory limit256M
Plugin Info
Last updated
Active installs 5,000,000+
WordPress.org page https://wordpress.org/plugins/litespeed-cache/
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Pages 10

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=ec35dbefa3
Aspect after-activation
HTTP status 200
Load time 1.440 s
Memory usage 3.66 MiB
JS errors None
Resource errors None

Settings → LiteSpeed Cache

Page screenshot: Settings  → LiteSpeed Cache
URL /wp-admin/options-general.php?page=litespeedcache
Aspect menu-item
HTTP status 200
Load time 0.840 s
Memory usage 4.03 MiB
JS errors None
Resource errors None

LiteSpeed Cache

Page screenshot: LiteSpeed Cache
URL /wp-admin/admin.php?page=lscache-settings
Aspect menu-item
HTTP status 200
Load time 0.678 s
Memory usage 3.62 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Manage

Page screenshot: LiteSpeed Cache → Manage
URL /wp-admin/admin.php?page=lscache-dash
Aspect menu-item
HTTP status 200
Load time 0.340 s
Memory usage 3.67 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Edit .htaccess

Page screenshot: LiteSpeed Cache → Edit .htaccess
URL /wp-admin/admin.php?page=lscache-edit-htaccess
Aspect menu-item
HTTP status 200
Load time 0.182 s
Memory usage 3.6 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Image Optimization

Page screenshot: LiteSpeed Cache → Image Optimization
URL /wp-admin/admin.php?page=lscache-optimization
Aspect menu-item
HTTP status 200
Load time 0.216 s
Memory usage 3.66 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Crawler

Page screenshot: LiteSpeed Cache → Crawler
URL /wp-admin/admin.php?page=lscache-crawler
Aspect menu-item
HTTP status 200
Load time 0.267 s
Memory usage 3.67 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Report

Page screenshot: LiteSpeed Cache → Report
URL /wp-admin/admin.php?page=lscache-report
Aspect menu-item
HTTP status 200
Load time 0.258 s
Memory usage 3.62 MiB
JS errors None
Resource errors None

LiteSpeed Cache → Import / Export

Page screenshot: LiteSpeed Cache → Import / Export
URL /wp-admin/admin.php?page=lscache-import
Aspect menu-item
HTTP status 200
Load time 0.193 s
Memory usage 3.62 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 0.340 s
Memory usage 3.21 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.313 s0.277 s-0.036 s3.29 MiB3.66 MiB+ 374.92 KiB
/wp-admin/edit.php0.217 s0.345 s+0.128 s3.32 MiB3.69 MiB+ 373.84 KiB
/wp-admin/post-new.php1.150 s1.298 s+0.148 s4.93 MiB5.33 MiB+ 411.02 KiB
/wp-admin/upload.php0.572 s0.379 s-0.193 s3.16 MiB3.55 MiB+ 399.73 KiB
/wp-admin/options-writing.php0.261 s0.257 s-0.004 s3.15 MiB3.49 MiB+ 351.45 KiB
/wp-admin/media-new.php0.216 s0.278 s+0.062 s3.14 MiB3.48 MiB+ 351.41 KiB
/wp-admin/edit-tags.php?taxonomy=category0.177 s0.249 s+0.072 s3.18 MiB3.54 MiB+ 374.44 KiB
/wp-admin/post-new.php?post_type=page1.173 s1.017 s-0.156 s4.91 MiB5.32 MiB+ 415.15 KiB
/wp-admin/options-discussion.php0.270 s0.301 s+0.031 s3.14 MiB3.5 MiB+ 367.76 KiB
/wp-admin/edit-comments.php0.294 s0.338 s+0.044 s3.25 MiB3.54 MiB+ 302.88 KiB
/0.279 s0.181 s-0.098 s3 MiB3.21 MiB+ 215.23 KiB
Average 0.447 s0.447 s-0.000 s3.5 MiB3.84 MiB+ 357.98 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

Options wp_options 29

PHP Error Log 28 lines

[24-Feb-2019 01:01:50 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:01:50 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:01:51 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:01:52 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:01:53 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:01:54 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:01:55 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:01:56 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:01:57 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:01:58 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:01:58 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:02:00 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:02:00 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:02:00 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:02:01 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:02:02 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:02:02 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:02:02 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:02:02 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:02:03 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:02:03 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:02:03 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:02:04 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:02:04 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:02:05 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:02:05 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:02:06 UTC] wp-config file not writable for 'WP_CACHE'
[24-Feb-2019 01:02:06 UTC] wp-config file not writable for 'WP_CACHE'
See also: All tests for this plugin, How to Hide LiteSpeed Cache Admin Menus and Meta Boxes