Report - FastCache by host.it 1.6.6

Does FastCache by host.it work with WordPress 6.9.4 and PHP 8.1.12? A smoke test was performed on 2026-04-08 14:37:40 UTC.

Summary

Errors

1	PHP notices
1	PHP deprecation warnings
	No JavaScript exceptions
	All test pages loaded successfully
	No resource errors

Performance

Memory usage: 248.73 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 version	6.9.4
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2026-04-14T18:03:00+00:00
Active installs	300+
WordPress.org page	https://wordpress.org/plugins/fastcache-by-host-it/
Badges	Get badge code

Pages 6

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL	/wp-admin/plugins.php?action=activate&plugin=fastcache-by-host-it%2Ffastcache.php&plugin_status=all&paged=1&s&_wpnonce=c5c076b6c0
Aspect	after-activation
HTTP status	200
Load time	1.681 s
Memory usage	3.98 MiB
JS errors	None
Resource errors	None

Settings → FastCache Settings

URL	/wp-admin/options-general.php?page=fastcache
Aspect	menu-item
HTTP status	200
Load time	0.911 s
Memory usage	5.14 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.272 s
Memory usage	4.32 MiB
JS errors	None
Resource errors	None

Add Page ‹ Test site — WordPress

URL	/wp-admin/post-new.php?post_type=page
Aspect	new-meta-boxes
HTTP status	200
Load time	0.945 s
Memory usage	6.59 MiB
JS errors	None
Resource errors	None

Add Post ‹ Test site — WordPress

URL	/wp-admin/post-new.php
Aspect	new-meta-boxes
HTTP status	200
Load time	0.758 s
Memory usage	6.6 MiB
JS errors	None
Resource errors	None

Dashboard ‹ Test site — WordPress

URL	/wp-admin/index.php
Aspect	new-meta-boxes
HTTP status	200
Load time	0.449 s
Memory usage	4.02 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.506 s	0.425 s	-0.081 s	3.78 MiB	4.02 MiB	+ 245.9 KiB
/wp-admin/edit.php	0.443 s	0.475 s	+0.032 s	3.78 MiB	4.07 MiB	+ 290.5 KiB
/wp-admin/post-new.php	0.869 s	0.992 s	+0.123 s	6.31 MiB	6.6 MiB	+ 304.75 KiB
/wp-admin/upload.php	0.515 s	0.459 s	-0.056 s	3.74 MiB	3.96 MiB	+ 222.8 KiB
/wp-admin/options-writing.php	0.371 s	0.322 s	-0.049 s	3.71 MiB	3.93 MiB	+ 227.1 KiB
/wp-admin/media-new.php	0.571 s	0.572 s	+0.001 s	3.7 MiB	3.93 MiB	+ 235.3 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.371 s	0.356 s	-0.015 s	3.72 MiB	3.96 MiB	+ 245.66 KiB
/wp-admin/post-new.php?post_type=page	0.796 s	0.787 s	-0.009 s	6.3 MiB	6.59 MiB	+ 298.23 KiB
/wp-admin/options-discussion.php	0.394 s	0.493 s	+0.099 s	3.71 MiB	3.93 MiB	+ 223.29 KiB
/wp-admin/edit-comments.php	0.360 s	0.345 s	-0.015 s	3.74 MiB	3.95 MiB	+ 223.1 KiB
/	0.320 s	0.221 s	-0.099 s	4.11 MiB	4.32 MiB	+ 219.39 KiB
Average	0.501 s	0.495 s	-0.006 s	4.24 MiB	4.48 MiB	+ 248.73 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

CSS

Language		%	Lines of code	Comment lines	Files
	PHP	71.9%	19,305	6,074	136
	CSS	16.0%	4,293	401	8
	JavaScript	7.4%	1,974	340	17
	PO File	4.6%	1,241	1,621	1
	HTML	0.1%	20	0	3
	SVG	0.0%	1	0	1
Total			26,834	8,436	166

PHP Code Analysis | More results »

Lines of code	19,401
Total complexity	3,816
Median class complexity	18.5
Median method complexity	1.0
Most complex class	FastCache\Core\SimpleHtmlDomNode
Most complex function	FastCache\Core\LightImages::processImageNodes()

Classes	110
Methods	1,065
Functions	33

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` 1

fastcache_version

Meta Boxes

{
    "page": {
        "fastcache": {
            "title": "Host Caching",
            "context": "side"
        }
    },
    "post": {
        "fastcache": {
            "title": "Host Caching",
            "context": "side"
        }
    },
    "dashboard": {
        "fastcache_dashboard_widget": {
            "title": "FastCache 1.6.6",
            "context": "normal"
        }
    }
}

PHP Error Log 2 lines

[08-Apr-2026 14:38:03 UTC] PHP Deprecated:  Automatic conversion of false to array is deprecated in /wp-content/plugins/fastcache-by-host-it/src/Admin/Settings/Renderer/Setting.php on line 832
[08-Apr-2026 14:38:05 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>fastcache</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 6131

FastCache by host.it 1.6.6