Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme 2.7.7

Does KingComposer work with WordPress 5.0 and PHP 7.0.16? A smoke test was performed on .

Summary

Errors
6WordPress deprecation warnings
4JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 606.58 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 version5.0
PHP version7.0.16
MySQL version5.7.17
PHP memory limit256M
Plugin Info
Last updated
Active installs 80,000+
WordPress.org page https://wordpress.org/plugins/kingcomposer/
Badges

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Pages 10

King Composer WP ‹ Test site — WordPress

Page screenshot: King Composer WP ‹ Test site — WordPress
URL /wp-admin/admin.php?page=kingcomposer&screen=welcome
Requested URL /wp-admin/plugins.php?action=activate&plugin=kingcomposer%2Fkingcomposer.php&plugin_status=all&paged=1&s&_wpnonce=64f7fc53b5
Aspect after-activation
HTTP status 200 OK
Load time 0.179 s
Memory usage 3.88 MiB
JS errors None
Resource errors None

KingComposer

Page screenshot: KingComposer
URL /wp-admin/admin.php?page=kingcomposer
Aspect menu-item
HTTP status 200 OK
Load time 0.092 s
Memory usage 3.76 MiB
JS errors None
Resource errors None

KingComposer → KC Pro!

Page screenshot: KingComposer → 
			KC Pro!
URL /wp-admin/admin.php?page=kingcomposer
Aspect menu-item-tab
HTTP status 200 OK
Load time 0.144 s
Memory usage 3.76 MiB
JS errors None
Resource errors None

KingComposer → Changelogs

Page screenshot: KingComposer → 
			Changelogs
URL /wp-admin/admin.php?page=kingcomposer
Aspect menu-item-tab
HTTP status 200 OK
Load time 0.052 s
Memory usage 3.76 MiB
JS errors None
Resource errors None

KingComposer → Shortcode Mapper

Page screenshot: KingComposer → Shortcode Mapper
URL /wp-admin/admin.php?page=kc-mapper
Aspect menu-item
HTTP status 200 OK
Load time 0.104 s
Memory usage 4.11 MiB
JS errors
[
    {
        "message": "TypeError: undefined is not an object (evaluating 'new kc.backbone.views')",
        "trace": [
            {
                "file": "/wp-content/plugins/kingcomposer/assets/js/kc.tools.js?ver=2.7.7",
                "line": 513,
                "function": ""
            }
        ]
    },
    {
        "message": "TypeError: undefined is not an object (evaluating 'new kc.backbone.views')",
        "trace": [
            {
                "file": "/wp-content/plugins/kingcomposer/assets/js/kc.views.js?ver=2.7.7",
                "line": 18,
                "function": ""
            }
        ]
    }
]
Resource errors None

KingComposer → Extensions

Page screenshot: KingComposer → Extensions
URL /wp-admin/admin.php?page=kc-extensions
Aspect menu-item
HTTP status 200 OK
Load time 0.652 s
Memory usage 3.92 MiB
JS errors None
Resource errors None

KingComposer → Sections Manager

Page screenshot: KingComposer → Sections Manager
URL /wp-admin/edit.php?post_type=kc-section
Aspect menu-item
HTTP status 200 OK
Load time 0.078 s
Memory usage 3.76 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 OK
Load time 0.117 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Edit Page ‹ Test site — WordPress

Page screenshot: Edit Page ‹ Test site — WordPress
URL /wp-admin/post-new.php?post_type=page
Aspect new-meta-boxes
HTTP status 200 OK
Load time 0.361 s
Memory usage 5.64 MiB
JS errors
[
    {
        "message": "TypeError: undefined is not an object (evaluating 'new kc.backbone.views')",
        "trace": [
            {
                "file": "/wp-content/plugins/kingcomposer/assets/js/kc.tools.js?ver=2.7.7",
                "line": 513,
                "function": ""
            }
        ]
    },
    {
        "message": "TypeError: undefined is not an object (evaluating 'new kc.backbone.views')",
        "trace": [
            {
                "file": "/wp-content/plugins/kingcomposer/assets/js/kc.views.js?ver=2.7.7",
                "line": 18,
                "function": ""
            }
        ]
    }
]
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 OK
Load time 0.129 s
Memory usage 3.78 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.091 s0.048 s-0.043 s3.22 MiB3.79 MiB+ 581.83 KiB
/wp-admin/edit.php0.136 s0.117 s-0.019 s3.25 MiB3.87 MiB+ 638.98 KiB
/wp-admin/post-new.php0.313 s0.302 s-0.011 s4.92 MiB5.54 MiB+ 632.02 KiB
/wp-admin/upload.php0.090 s0.084 s-0.006 s3.15 MiB3.72 MiB+ 580.48 KiB
/wp-admin/options-writing.php0.090 s0.041 s-0.049 s3.17 MiB3.71 MiB+ 550.02 KiB
/wp-admin/media-new.php0.067 s0.118 s+0.051 s3.07 MiB3.7 MiB+ 641.72 KiB
/wp-admin/edit-tags.php?taxonomy=category0.144 s0.095 s-0.049 s3.17 MiB3.74 MiB+ 580.31 KiB
/wp-admin/post-new.php?post_type=page0.384 s0.368 s-0.016 s4.91 MiB5.64 MiB+ 749.24 KiB
/wp-admin/options-discussion.php0.308 s0.137 s-0.171 s3.08 MiB3.7 MiB+ 644.12 KiB
/wp-admin/edit-comments.php0.079 s0.130 s+0.051 s3.18 MiB3.75 MiB+ 579.32 KiB
/0.119 s0.092 s-0.027 s3 MiB3.49 MiB+ 494.33 KiB
Average 0.166 s0.139 s-0.026 s3.47 MiB4.06 MiB+ 606.58 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.

Options wp_options 2

Custom Post Types 1

ID Name
kc-sectionKC Sections

Sidebar Widgets 1

ID Name
kc_widget_contentKC Content

Meta Boxes

{
    "page": {
        "kc-hidden-metabox": {
            "title": "KC Metabox",
            "context": "advanced"
        }
    }
}

Capabilities 1

PHP Error Log 6 lines

[11-Dec-2018 05:01:00 UTC] PHP Notice:  edit_form_after_title is <strong>deprecated</strong> since version 5.0.0! Use block_editor_meta_box_hidden_fields instead. This action is still supported in the classic editor, but is deprecated in the block editor. in /wp-includes/functions.php on line 4112
[11-Dec-2018 05:01:00 UTC] PHP Notice:  edit_form_advanced is <strong>deprecated</strong> since version 5.0.0! Use block_editor_meta_box_hidden_fields instead. This action is still supported in the classic editor, but is deprecated in the block editor. in /wp-includes/functions.php on line 4112
[11-Dec-2018 05:01:03 UTC] PHP Notice:  edit_form_after_title is <strong>deprecated</strong> since version 5.0.0! Use block_editor_meta_box_hidden_fields instead. This action is still supported in the classic editor, but is deprecated in the block editor. in /wp-includes/functions.php on line 4112
[11-Dec-2018 05:01:03 UTC] PHP Notice:  edit_form_advanced is <strong>deprecated</strong> since version 5.0.0! Use block_editor_meta_box_hidden_fields instead. This action is still supported in the classic editor, but is deprecated in the block editor. in /wp-includes/functions.php on line 4112
[11-Dec-2018 05:01:06 UTC] PHP Notice:  edit_form_after_title is <strong>deprecated</strong> since version 5.0.0! Use block_editor_meta_box_hidden_fields instead. This action is still supported in the classic editor, but is deprecated in the block editor. in /wp-includes/functions.php on line 4112
[11-Dec-2018 05:01:06 UTC] PHP Notice:  edit_form_advanced is <strong>deprecated</strong> since version 5.0.0! Use block_editor_meta_box_hidden_fields instead. This action is still supported in the classic editor, but is deprecated in the block editor. in /wp-includes/functions.php on line 4112
See also: All tests for this plugin, How to Hide KingComposer Admin Menus and Meta Boxes