SiteLock Security – WP Hardening, Login Security & Malware Scans 5.0.1

Does "SiteLock Security – WP Hardening, Login Security & Malware Scans" work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
39PHP deprecation warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 186.58 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 version6.9
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 1,000+
WordPress.org page https://wordpress.org/plugins/sitelock/
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Pages 5

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=sitelock%2Fsitelock.php&plugin_status=all&paged=1&s&_wpnonce=a545f520d2
Aspect after-activation
HTTP status 200
Load time 0.488 s
Memory usage 3.92 MiB
JS errors None
Resource errors None

SiteLock

Page screenshot: SiteLock
URL /wp-admin/admin.php?page=sitelock
Aspect menu-item
HTTP status 200
Load time 0.434 s
Memory usage 4.21 MiB
JS errors None
Resource errors None

SiteLock → Settings

Page screenshot: SiteLock → Settings
URL /wp-admin/admin.php?page=sitelock-settings
Aspect menu-item
HTTP status 200
Load time 0.310 s
Memory usage 4.02 MiB
JS errors None
Resource errors None

SiteLock → Activity Logs

Page screenshot: SiteLock → Activity Logs
URL /wp-admin/admin.php?page=sitelock-activity-logs
Aspect menu-item
HTTP status 200
Load time 0.515 s
Memory usage 3.9 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 0.236 s
Memory usage 4.2 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.386 s0.362 s-0.024 s3.77 MiB3.95 MiB+ 184.34 KiB
/wp-admin/edit.php0.375 s0.329 s-0.046 s3.78 MiB4 MiB+ 228.29 KiB
/wp-admin/post-new.php0.861 s0.860 s-0.001 s6.3 MiB6.58 MiB+ 281.13 KiB
/wp-admin/upload.php0.660 s0.590 s-0.070 s3.73 MiB3.9 MiB+ 169.62 KiB
/wp-admin/options-writing.php0.329 s0.461 s+0.132 s3.71 MiB3.87 MiB+ 169.86 KiB
/wp-admin/media-new.php0.514 s0.403 s-0.111 s3.7 MiB3.87 MiB+ 178.05 KiB
/wp-admin/edit-tags.php?taxonomy=category0.421 s0.317 s-0.104 s3.71 MiB3.9 MiB+ 188.41 KiB
/wp-admin/post-new.php?post_type=page0.667 s0.686 s+0.019 s6.29 MiB6.51 MiB+ 218.19 KiB
/wp-admin/options-discussion.php0.458 s0.486 s+0.028 s3.71 MiB3.87 MiB+ 166.35 KiB
/wp-admin/edit-comments.php0.316 s0.364 s+0.048 s3.73 MiB3.89 MiB+ 165.86 KiB
/0.435 s0.210 s-0.225 s4.1 MiB4.2 MiB+ 102.33 KiB
Average 0.493 s0.461 s-0.032 s4.23 MiB4.41 MiB+ 186.58 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
PHP59.7%6,1841,58559
CSS27.7%2,8663938
JavaScript6.4%6621199
JSON4.0%41303
SVG2.2%231217
Total 10,356 2,099 96

PHP Code Analysis | More results »

Lines of code 3,045
Total complexity 894
Median class complexity 14.5
Median method complexity 2.0
Most complex class Sitelock_Admin
Most complex function sitelock_country_code_to_country()
Classes 22
Methods 166
Functions 31

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 7

PHP Error Log 39 lines

[05-Dec-2025 06:58:13 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7374
[05-Dec-2025 06:58:13 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2196
[05-Dec-2025 06:58:14 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7374
[05-Dec-2025 06:58:14 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2196
[05-Dec-2025 06:58:14 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7374
[05-Dec-2025 06:58:14 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2196
[05-Dec-2025 06:58:14 UTC] PHP Deprecated:  Automatic conversion of false to array is deprecated in /wp-content/plugins/sitelock/admin/partials/common/sitelock-admin-tabs.php on line 50
[05-Dec-2025 06:58:16 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7374
[05-Dec-2025 06:58:16 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2196
[05-Dec-2025 06:58:16 UTC] PHP Deprecated:  Automatic conversion of false to array is deprecated in /wp-content/plugins/sitelock/admin/partials/common/sitelock-admin-tabs.php on line 50
[05-Dec-2025 06:58:17 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7374
[05-Dec-2025 06:58:17 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2196
[05-Dec-2025 06:58:17 UTC] PHP Deprecated:  Automatic conversion of false to array is deprecated in /wp-content/plugins/sitelock/admin/partials/common/sitelock-admin-tabs.php on line 50
[05-Dec-2025 06:58:19 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7374
[05-Dec-2025 06:58:19 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2196
[05-Dec-2025 06:58:19 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7374
[05-Dec-2025 06:58:19 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2196
[05-Dec-2025 06:58:20 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7374
[05-Dec-2025 06:58:20 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2196
[05-Dec-2025 06:58:22 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7374
[05-Dec-2025 06:58:22 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2196
[05-Dec-2025 06:58:22 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7374
[05-Dec-2025 06:58:22 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2196
[05-Dec-2025 06:58:23 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7374
[05-Dec-2025 06:58:23 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2196
[05-Dec-2025 06:58:24 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7374
[05-Dec-2025 06:58:24 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2196
[05-Dec-2025 06:58:24 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7374
[05-Dec-2025 06:58:24 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2196
[05-Dec-2025 06:58:26 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7374
[05-Dec-2025 06:58:26 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2196
[05-Dec-2025 06:58:26 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7374
[05-Dec-2025 06:58:26 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2196
[05-Dec-2025 06:58:27 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7374
[05-Dec-2025 06:58:27 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2196
[05-Dec-2025 06:58:28 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7374
[05-Dec-2025 06:58:28 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2196
[05-Dec-2025 06:58:28 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7374
[05-Dec-2025 06:58:28 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2196
See also: All tests for this plugin, How to Hide SiteLock Security – WP Hardening, Login Security & Malware Scans Admin Menus