Klaviyo 3.4.3

Does Klaviyo work with WordPress 6.7.2 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
6PHP deprecation warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 37.58 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 version6.7.2
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 50,000+
WordPress.org page https://wordpress.org/plugins/klaviyo/
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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=klaviyo%2Fklaviyo.php&plugin_status=all&paged=1&s&_wpnonce=e7615fa751
Aspect after-activation
HTTP status 200
Load time 0.332 s
Memory usage 3.54 MiB
JS errors None
Resource errors None

Klaviyo

Page screenshot: Klaviyo
URL /wp-admin/admin.php?page=klaviyo_settings
Aspect menu-item
HTTP status 200
Load time 0.185 s
Memory usage 3.5 MiB
JS errors None
Resource errors None

Klaviyo → Help

Page screenshot: Klaviyo → Help
URL /wp-admin/admin.php?page=klaviyo_help
Aspect menu-item
HTTP status 200
Load time 0.150 s
Memory usage 3.5 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 0.219 s
Memory usage 3.44 MiB
JS errors None
Resource errors None

Widgets ‹ Test site — WordPress

Page screenshot: Widgets ‹ Test site — WordPress
URL /wp-admin/widgets.php
Aspect new-sidebar-widgets
HTTP status 200
Load time 1.864 s
Memory usage 5.84 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.310 s0.268 s-0.042 s3.48 MiB3.53 MiB+ 46.76 KiB
/wp-admin/edit.php0.210 s0.224 s+0.014 s3.54 MiB3.59 MiB+ 46.38 KiB
/wp-admin/post-new.php0.799 s0.651 s-0.148 s5.92 MiB5.99 MiB+ 70.43 KiB
/wp-admin/upload.php0.577 s0.331 s-0.246 s3.5 MiB3.52 MiB+ 28.98 KiB
/wp-admin/options-writing.php0.237 s0.202 s-0.035 s3.47 MiB3.5 MiB+ 32.97 KiB
/wp-admin/media-new.php0.361 s0.218 s-0.143 s3.46 MiB3.5 MiB+ 41.16 KiB
/wp-admin/edit-tags.php?taxonomy=category0.196 s0.353 s+0.157 s3.48 MiB3.53 MiB+ 51.84 KiB
/wp-admin/post-new.php?post_type=page0.589 s0.620 s+0.031 s5.92 MiB5.98 MiB+ 65.96 KiB
/wp-admin/options-discussion.php0.280 s0.272 s-0.008 s3.47 MiB3.5 MiB+ 29.47 KiB
/wp-admin/edit-comments.php0.225 s0.213 s-0.012 s3.49 MiB3.52 MiB+ 28.97 KiB
/0.324 s0.205 s-0.119 s3.47 MiB3.44 MiB- 29.5 KiB
Average 0.373 s0.323 s-0.050 s3.93 MiB3.97 MiB+ 37.58 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
JavaScript
Language % Lines of code Comment lines Files
PHP83.4%2,0451,33624
JavaScript8.6%212706
CSS6.1%150191
JSON1.4%3401
SVG0.4%1104
Total 2,452 1,425 36

PHP Code Analysis | More results »

Lines of code 1,959
Total complexity 331
Median class complexity 11.0
Median method complexity 1.0
Most complex class WPKlaviyoAdmin
Most complex function wck_build_cart_data()
Classes 14
Methods 94
Functions 38

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.

Options wp_options 3

Sidebar Widgets 2

ID Name
klaviyo_emailsignup_widgetKlaviyo: Legacy Email Sign Up
klaviyo_embedemailsignup_widgetKlaviyo: Email Sign Up

PHP Error Log 6 lines

[11-Feb-2025 23:35:17 UTC] PHP Deprecated:  htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-content/plugins/klaviyo/includes/class-wck-options.php on line 79
[11-Feb-2025 23:35:17 UTC] PHP Deprecated:  htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-content/plugins/klaviyo/includes/class-wck-options.php on line 79
[11-Feb-2025 23:35:17 UTC] PHP Deprecated:  htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-content/plugins/klaviyo/includes/class-wck-options.php on line 79
[11-Feb-2025 23:35:17 UTC] PHP Deprecated:  htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-content/plugins/klaviyo/includes/class-wck-options.php on line 79
[11-Feb-2025 23:35:17 UTC] PHP Deprecated:  htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-content/plugins/klaviyo/includes/class-wck-options.php on line 79
[11-Feb-2025 23:35:17 UTC] PHP Deprecated:  htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-content/plugins/klaviyo/includes/class-wck-options.php on line 79
See also: All tests for this plugin, How to Hide Klaviyo Admin Menus