Speed Optimizer 7.7.4

Does Speed Optimizer 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
No resource errors
Performance

Memory usage: 290.22 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 1,000,000+
WordPress.org page https://wordpress.org/plugins/sg-cachepress/
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Pages 9

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=sg-cachepress%2Fsg-cachepress.php&plugin_status=all&paged=1&s&_wpnonce=6f91a849fc
Aspect after-activation
HTTP status 200
Load time 0.778 s
Memory usage 3.94 MiB
JS errors None
Resource errors None

Settings → SG Plugins

Page screenshot: Settings → SG Plugins
URL /wp-admin/options-general.php?page=siteground_settings
Aspect menu-item
HTTP status 200
Load time 0.282 s
Memory usage 3.92 MiB
JS errors None
Resource errors None

Speed Optimizer

Page screenshot: Speed Optimizer
URL /wp-admin/admin.php?page=sg-cachepress
Aspect menu-item
HTTP status 200
Load time 0.849 s
Memory usage 3.92 MiB
JS errors None
Resource errors None

Speed Optimizer → Caching

Page screenshot: Speed Optimizer → Caching
URL /wp-admin/admin.php?page=sgo_caching
Aspect menu-item
HTTP status 200
Load time 0.631 s
Memory usage 3.91 MiB
JS errors None
Resource errors None

Speed Optimizer → Environment

Page screenshot: Speed Optimizer → Environment
URL /wp-admin/admin.php?page=sgo_environment
Aspect menu-item
HTTP status 200
Load time 0.558 s
Memory usage 3.91 MiB
JS errors None
Resource errors None

Speed Optimizer → Frontend

Page screenshot: Speed Optimizer → Frontend
URL /wp-admin/admin.php?page=sgo_frontend
Aspect menu-item
HTTP status 200
Load time 0.569 s
Memory usage 3.91 MiB
JS errors None
Resource errors None

Speed Optimizer → Media

Page screenshot: Speed Optimizer → Media
URL /wp-admin/admin.php?page=sgo_media
Aspect menu-item
HTTP status 200
Load time 0.656 s
Memory usage 3.91 MiB
JS errors None
Resource errors None

Speed Optimizer → Site Performance

Page screenshot: Speed Optimizer → Site Performance
URL /wp-admin/admin.php?page=sgo_analysis
Aspect menu-item
HTTP status 200
Load time 0.488 s
Memory usage 3.91 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 0.257 s
Memory usage 4.28 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.492 s0.451 s-0.041 s3.78 MiB3.98 MiB+ 206.07 KiB
/wp-admin/edit.php0.380 s0.534 s+0.154 s3.78 MiB4.03 MiB+ 252.03 KiB
/wp-admin/post-new.php0.832 s0.855 s+0.023 s6.31 MiB7 MiB+ 706.28 KiB
/wp-admin/upload.php0.464 s0.439 s-0.025 s3.74 MiB3.92 MiB+ 186.65 KiB
/wp-admin/options-writing.php0.365 s0.336 s-0.029 s3.71 MiB3.9 MiB+ 190.95 KiB
/wp-admin/media-new.php0.513 s0.559 s+0.046 s3.7 MiB3.9 MiB+ 199.15 KiB
/wp-admin/edit-tags.php?taxonomy=category0.358 s0.314 s-0.044 s3.72 MiB3.92 MiB+ 209.51 KiB
/wp-admin/post-new.php?post_type=page0.724 s0.703 s-0.021 s6.3 MiB6.98 MiB+ 698.76 KiB
/wp-admin/options-discussion.php0.376 s0.426 s+0.050 s3.72 MiB3.9 MiB+ 187.14 KiB
/wp-admin/edit-comments.php0.352 s0.325 s-0.027 s3.74 MiB3.92 MiB+ 186.95 KiB
/0.301 s0.215 s-0.086 s4.12 MiB4.28 MiB+ 168.95 KiB
Average 0.469 s0.469 s-0.000 s4.24 MiB4.52 MiB+ 290.22 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
PHP93.3%11,9657,420126
CSS4.5%574171
JavaScript1.3%1611992
Sass0.7%9001
SVG0.3%35035
Total 12,825 7,636 165

PHP Code Analysis | More results »

Lines of code 10,961
Total complexity 1,865
Median class complexity 6.5
Median method complexity 3.0
Most complex class SiteGround_Optimizer\File_Cacher\File_Cacher
Most complex function SiteGround_Optimizer\Analysis\Analysis::process_analysis()
Classes 110
Methods 551
Functions 2

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 43

PHP Error Log 4 lines

[02-Dec-2025 21:08:31 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
[02-Dec-2025 21:08:31 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
[02-Dec-2025 21:08:40 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
[02-Dec-2025 21:08:40 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 Speed Optimizer Admin Menus