Swift Performance Lite 1.8.1

Does Swift Performance Lite work with WordPress 4.9.6 and PHP 7.0.16? A smoke test was performed on .

Summary

Errors
1PHP notices
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 1.05 MiB
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 version4.9.6
PHP version7.0.16
MySQL version5.7.17
PHP memory limit256M
Plugin Info
Last updated
Active installs 10,000+
WordPress.org page https://wordpress.org/plugins/swift-performance-lite/
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Pages 6

Swift Performance Lite Setup Wizard -

Page screenshot: Swift Performance Lite Setup Wizard -
URL /wp-admin/tools.php?page=swift-performance&subpage=setup
Requested URL /wp-admin/plugins.php?action=activate&plugin=swift-performance-lite%2Fperformance.php&plugin_status=all&paged=1&s&_wpnonce=8804112408
Aspect after-activation
HTTP status 200 OK
Load time 0.129 s
Memory usage 3.5 MiB
JS errors None
Resource errors None

Tools → Swift Performance

Page screenshot: Tools → Swift Performance
URL /wp-admin/tools.php?page=swift-performance
Aspect menu-item
HTTP status 200 OK
Load time 0.217 s
Memory usage 4.45 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 0.135 s
Memory usage 3.32 MiB
JS errors None
Resource errors None

Dashboard ‹ Test site — WordPress

Page screenshot: Dashboard ‹ Test site — WordPress
URL /wp-admin/index.php
Aspect new-meta-boxes
HTTP status 200 OK
Load time 0.147 s
Memory usage 4.22 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 OK
Load time 0.095 s
Memory usage 4.26 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 OK
Load time 0.112 s
Memory usage 4.26 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.098 s0.109 s+0.011 s3.09 MiB4.22 MiB+ 1.12 MiB
/wp-admin/edit.php0.098 s0.096 s-0.002 s3.12 MiB4.19 MiB+ 1.07 MiB
/wp-admin/post-new.php0.158 s0.082 s-0.076 s3.19 MiB4.36 MiB+ 1.17 MiB
/wp-admin/upload.php0.106 s0.051 s-0.055 s2.96 MiB4.1 MiB+ 1.14 MiB
/wp-admin/options-writing.php0.074 s0.100 s+0.026 s3.04 MiB4.09 MiB+ 1.05 MiB
/wp-admin/media-new.php0.042 s0.096 s+0.054 s2.94 MiB4.02 MiB+ 1.08 MiB
/wp-admin/edit-tags.php?taxonomy=category0.081 s0.100 s+0.019 s2.98 MiB4.12 MiB+ 1.14 MiB
/wp-admin/post-new.php?post_type=page0.095 s0.068 s-0.027 s3.19 MiB4.26 MiB+ 1.07 MiB
/wp-admin/options-discussion.php0.076 s0.095 s+0.019 s2.94 MiB4.02 MiB+ 1.08 MiB
/wp-admin/edit-comments.php0.098 s0.102 s+0.004 s2.98 MiB4.12 MiB+ 1.14 MiB
/0.097 s0.079 s-0.018 s2.82 MiB3.32 MiB+ 507.9 KiB
Average 0.093 s0.089 s-0.004 s3.02 MiB4.07 MiB+ 1.05 MiB

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 1

Options wp_options 6

Meta Boxes

{
    "dashboard": {
        "swift_dashboard_widget": {
            "title": "Swift Performance",
            "context": "normal"
        }
    },
    "post": {
        "swift_performance_meta_box": {
            "title": "Swift Performance",
            "context": "normal"
        }
    },
    "page": {
        "swift_performance_meta_box": {
            "title": "Swift Performance",
            "context": "normal"
        }
    }
}

PHP Error Log 1 lines

[21-May-2018 21:49:35 UTC] PHP Notice:  Undefined variable: disabled in /wp-content/plugins/swift-performance-lite/includes/setup/setup.php on line 292
See also: All tests for this plugin, How to Hide the "Swift Performance" Admin Menu