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Seraphinite Accelerator 2.27.48

Does "Seraphinite Accelerator (Base, cache only)" work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
4PHP deprecation warnings
No JavaScript exceptions
All test pages loaded successfully
2Resource errors (CSS, JS, images, fonts and so on.)
  • 2 net::ERR_FAILED
Performance

Memory usage: 515.11 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 60,000+
WordPress.org page https://wordpress.org/plugins/seraphinite-accelerator/
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Pages 4

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=seraphinite-accelerator%2Fplugin_root.php&plugin_status=all&paged=1&s&_wpnonce=73abbe4a83
Aspect after-activation
HTTP status 200
Load time 1.010 s
Memory usage 4.28 MiB
JS errors None
Resource errors None

Accelerator

Page screenshot: Accelerator
URL /wp-admin/admin.php?page=seraph_accel_manage
Aspect menu-item
HTTP status 200
Load time 0.474 s
Memory usage 4.26 MiB
JS errors None
Resource errors 
[
    {
        "status": null,
        "statusText": null,
        "url": "https://www.s-sols.com/api/special/v1/advert_products?slug=accelerator&locale=en_US",
        "errorString": "net::ERR_FAILED"
    }
]

Accelerator → Settings

Page screenshot: Accelerator → Settings
URL /wp-admin/admin.php?page=seraph_accel_settings
Aspect menu-item
HTTP status 200
Load time 0.967 s
Memory usage 4.73 MiB
JS errors None
Resource errors 
[
    {
        "status": null,
        "statusText": null,
        "url": "https://www.s-sols.com/api/special/v1/advert_products?slug=accelerator&locale=en_US",
        "errorString": "net::ERR_FAILED"
    }
]

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
URL /
Aspect front-page
HTTP status 200
Load time 0.364 s
Memory usage 4.38 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.509 s0.443 s-0.066 s3.78 MiB4.31 MiB+ 550.91 KiB
/wp-admin/edit.php0.410 s0.372 s-0.038 s3.78 MiB4.38 MiB+ 610.22 KiB
/wp-admin/post-new.php0.854 s0.922 s+0.068 s6.31 MiB6.89 MiB+ 595.52 KiB
/wp-admin/upload.php0.503 s0.478 s-0.025 s3.74 MiB4.24 MiB+ 516.58 KiB
/wp-admin/options-writing.php0.381 s0.349 s-0.032 s3.71 MiB4.2 MiB+ 502.02 KiB
/wp-admin/media-new.php0.557 s0.581 s+0.024 s3.7 MiB4.19 MiB+ 501.03 KiB
/wp-admin/edit-tags.php?taxonomy=category0.377 s0.341 s-0.036 s3.72 MiB4.23 MiB+ 530.93 KiB
/wp-admin/post-new.php?post_type=page0.786 s0.699 s-0.087 s6.3 MiB6.87 MiB+ 587.48 KiB
/wp-admin/options-discussion.php0.375 s0.372 s-0.003 s3.71 MiB4.2 MiB+ 493.76 KiB
/wp-admin/edit-comments.php0.343 s0.359 s+0.016 s3.73 MiB4.23 MiB+ 508.06 KiB
/0.304 s0.204 s-0.100 s4.12 MiB4.38 MiB+ 269.66 KiB
Average 0.491 s0.465 s-0.025 s4.24 MiB4.74 MiB+ 515.11 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
Language % Lines of code Comment lines Files
PHP96.0%31,2997,23984
JavaScript2.8%90711110
HTML1.2%40701
JSON0.0%404
CSS0.0%202
SVG0.0%101
Total 32,620 7,350 102

PHP Code Analysis | More results »

Lines of code 34,901
Total complexity 8,032
Median class complexity 13.5
Median method complexity 2.0
Most complex class seraph_accel\Gen
Most complex function OnOptRead_Sett()
Classes 100
Methods 1,011
Functions 366

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 4

PHP Error Log 4 lines

[03-Dec-2025 02:25:26 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 02:25:26 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 02:25:35 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 02:25:35 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
See also: All tests for this plugin, How to Hide Seraphinite Accelerator (Base, cache only) Admin Menus