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2. Speed Optimizer – The All-In-One Performance-Boosting Plugin
3. 7.8.1 (latest)

Speed Optimizer 7.8.1

Does Speed Optimizer work with WordPress 7.0.3 and PHP 8.1.12? A smoke test was performed on 2026-08-12 08:13:41 UTC.

Summary

Pages 9

Plugins ‹ Test site — WordPress

Settings → SG Plugins

Speed Optimizer

Speed Optimizer → Caching

Speed Optimizer → Environment

Speed Optimizer → Frontend

Speed Optimizer → Media

Speed Optimizer → Site Performance

Test site – Just another WordPress site

Benchmark

URL	Load time			Memory usage
	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.631 s	0.636 s	+0.005 s	3.93 MiB	4.17 MiB	+ 251.66 KiB
/wp-admin/edit.php	0.527 s	0.719 s	+0.192 s	3.98 MiB	4.16 MiB	+ 186.73 KiB
/wp-admin/post-new.php	1.994 s	1.581 s	-0.413 s	6.56 MiB	7.13 MiB	+ 587.27 KiB
/wp-admin/upload.php	0.741 s	0.674 s	-0.067 s	3.89 MiB	4.07 MiB	+ 182.45 KiB
/wp-admin/options-writing.php	0.530 s	0.543 s	+0.013 s	3.86 MiB	4.03 MiB	+ 172.14 KiB
/wp-admin/media-new.php	0.564 s	0.898 s	+0.334 s	3.85 MiB	4.03 MiB	+ 180.34 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.495 s	0.535 s	+0.040 s	3.86 MiB	4.05 MiB	+ 185.2 KiB
/wp-admin/post-new.php?post_type=page	1.794 s	1.781 s	-0.013 s	6.55 MiB	7.11 MiB	+ 579.52 KiB
/wp-admin/options-discussion.php	0.751 s	0.599 s	-0.152 s	3.86 MiB	4.03 MiB	+ 168.33 KiB
/wp-admin/edit-comments.php	0.537 s	0.514 s	-0.023 s	3.89 MiB	4.08 MiB	+ 197.13 KiB
/	0.283 s	0.212 s	-0.071 s	4.23 MiB	4.39 MiB	+ 170.3 KiB
Average	0.804 s	0.790 s	-0.014 s	4.41 MiB	4.66 MiB	+ 260.1 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.

Language		%	Lines of code	Comment lines	Files
	PHP	93.5%	12,280	7,570	126
	CSS	4.4%	574	17	1
	JavaScript	1.2%	161	199	2
	Sass	0.7%	90	0	1
	SVG	0.3%	35	0	35
Total			13,140	7,786	165

PHP Code Analysis | More results »

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

• sg_cachepress
• sgo_install_7_4_0
• siteground_optimizer_async_javascript_exclude
• siteground_optimizer_autoflush_cache
• siteground_optimizer_checked_nginx
• siteground_optimizer_combine_css
• siteground_optimizer_current_version
• siteground_optimizer_database_optimization
• siteground_optimizer_default_autoflush_cache
• siteground_optimizer_default_enable_cache
• siteground_optimizer_disable_emojis
• siteground_optimizer_enable_browser_caching
• siteground_optimizer_enable_cache
• siteground_optimizer_enable_gzip_compression
• siteground_optimizer_enable_memcached
• siteground_optimizer_excluded_lazy_load_classes
• siteground_optimizer_excluded_lazy_load_media_types
• siteground_optimizer_first_run
• siteground_optimizer_heartbeat_dashboard_interval
• siteground_optimizer_heartbeat_frontend_interval
• siteground_optimizer_heartbeat_post_interval
• siteground_optimizer_image_optimization_completed
• siteground_optimizer_is_nginx
• siteground_optimizer_last_fail
• siteground_optimizer_optimize_css
• siteground_optimizer_optimize_html
• siteground_optimizer_optimize_javascript
• siteground_optimizer_optimize_javascript_async
• siteground_optimizer_performace_receipient
• siteground_optimizer_phpcompat_is_compatible
• siteground_optimizer_phpcompat_progress
• siteground_optimizer_phpcompat_result
• siteground_optimizer_phpcompat_status
• siteground_optimizer_quality_type
• siteground_optimizer_quality_webp
• siteground_optimizer_remove_query_strings
• siteground_optimizer_show_notice
• siteground_optimizer_ssl_enabled
• siteground_optimizer_supercacher_permissions
• siteground_optimizer_update_timestamp
• siteground_optimizer_version
• siteground_optimizer_whats_new
• siteground_settings_optimizer_hello

PHP Error Log 1 lines

[12-Aug-2026 08:14:06 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>sg-cachepress</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. Please see <a href="https://developer.wordpress.org/advanced-administration/debug/debug-wordpress/">Debugging in WordPress</a> for more information. (This message was added in version 6.7.0.) in /wp-includes/functions.php on line 6170

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