Swift Performance Lite 2.1.4

Does Swift Performance Lite work with WordPress 5.5.1 and PHP 7.4.8? A smoke test was performed on .

Summary

Errors
No PHP errors, warnings or notices
2JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 456.01 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 version5.5.1
PHP version7.4.8
MySQL version8.0.21
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

Page screenshot: Swift Performance Lite setup
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=bcb35afbda
Aspect after-activation
HTTP status 200
Load time 1.258 s
Memory usage 3.08 MiB
JS errors None
Resource errors None

Tools → Swift Performance Lite

Page screenshot: Tools → Swift Performance Lite
URL /wp-admin/tools.php?page=swift-performance
Aspect menu-item
HTTP status 200
Load time 1.036 s
Memory usage 3.24 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 0.474 s
Memory usage 2.96 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
Load time 0.446 s
Memory usage 3.15 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
Load time 1.799 s
Memory usage 5 MiB
JS errors
[
    {
        "message": "TypeError: jQuery(...).pointer is not a function\n    at pointers (/wp-content/plugins/swift-performance-lite/js/scripts.js?ver=2.1.4:713:26)\n    at dispatch (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,utils,moxiejs,plupload&ver=5.5.1:3:12369)\n    at r.handle (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,utils,moxiejs,plupload&ver=5.5.1:3:9088)",
        "trace": null,
        "code": null
    }
]
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
Load time 1.573 s
Memory usage 4.99 MiB
JS errors
[
    {
        "message": "TypeError: jQuery(...).pointer is not a function\n    at pointers (/wp-content/plugins/swift-performance-lite/js/scripts.js?ver=2.1.4:713:26)\n    at dispatch (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,utils,moxiejs,plupload&ver=5.5.1:3:12369)\n    at r.handle (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,utils,moxiejs,plupload&ver=5.5.1:3:9088)",
        "trace": null,
        "code": null
    }
]
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.653 s0.417 s-0.236 s2.75 MiB3.15 MiB+ 409.8 KiB
/wp-admin/edit.php0.331 s0.251 s-0.080 s2.8 MiB3.24 MiB+ 449.98 KiB
/wp-admin/post-new.php1.790 s2.525 s+0.735 s4.54 MiB5.01 MiB+ 472.06 KiB
/wp-admin/upload.php0.540 s0.434 s-0.106 s2.63 MiB3.08 MiB+ 462.25 KiB
/wp-admin/options-writing.php0.170 s0.168 s-0.002 s2.64 MiB3.06 MiB+ 430.26 KiB
/wp-admin/media-new.php0.203 s0.190 s-0.013 s2.6 MiB3.06 MiB+ 462.45 KiB
/wp-admin/edit-tags.php?taxonomy=category0.199 s0.181 s-0.018 s2.64 MiB3.1 MiB+ 468.86 KiB
/wp-admin/post-new.php?post_type=page2.034 s1.563 s-0.471 s4.53 MiB4.99 MiB+ 466.99 KiB
/wp-admin/options-discussion.php0.449 s0.307 s-0.142 s2.61 MiB3.06 MiB+ 462.78 KiB
/wp-admin/edit-comments.php0.231 s0.219 s-0.012 s2.65 MiB3.1 MiB+ 462.27 KiB
/0.614 s0.290 s-0.324 s2.51 MiB2.96 MiB+ 468.45 KiB
Average 0.656 s0.595 s-0.061 s2.99 MiB3.44 MiB+ 456.01 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 1

Options wp_options 4

Meta Boxes

{
    "dashboard": {
        "swift_dashboard_lto_upgrade_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

The log file is empty.

See also: All tests for this plugin, How to Hide the "Swift Performance" Admin Menu