Flash Cache 3.6
Does Flash Cache work with WordPress 6.8.3 and PHP 8.1.12? A smoke test was performed on .
Summary
Errors
| 1 | PHP notices |
| No JavaScript exceptions | |
| All test pages loaded successfully | |
| No resource errors |
Performance
Memory usage: 109.37 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 | 6.8.3 |
|---|---|
| PHP version | 8.1.12 |
| MySQL version | 10.6.10 |
| PHP memory limit | 512M |
Plugin Info
| Last updated | |
|---|---|
| Active installs | 20+ |
| WordPress.org page | https://wordpress.org/plugins/flash-cache/ |
| Badges |
|
Pages 7
Plugins ‹ Test site — WordPress
| URL | /wp-admin/plugins.php?plugin_status=all&paged=1&s |
|---|---|
| Requested URL | /wp-admin/plugins.php?action=activate&plugin=flash-cache%2Fflash_cache.php&plugin_status=all&paged=1&s&_wpnonce=2662e64dcf |
| Aspect | after-activation |
| HTTP status | 200 |
| Load time | 0.378 s |
| Memory usage | 3.81 MiB |
| JS errors | None |
| Resource errors | None |
Flash Cache
| URL | /wp-admin/admin.php?page=flash_cache_setting |
|---|---|
| Aspect | menu-item |
| HTTP status | 200 |
| Load time | 0.202 s |
| Memory usage | 3.6 MiB |
| JS errors | None |
| Resource errors | None |
Flash Cache → Advanced options
| URL | /wp-admin/admin.php?page=flash_cache_advanced_setting |
|---|---|
| Aspect | menu-item |
| HTTP status | 200 |
| Load time | 0.169 s |
| Memory usage | 3.6 MiB |
| JS errors | None |
| Resource errors | None |
Flash Cache → Patterns
| URL | /wp-admin/edit.php?post_type=flash_cache_patterns |
|---|---|
| Aspect | menu-item |
| HTTP status | 200 |
| Load time | 0.205 s |
| Memory usage | 3.69 MiB |
| JS errors | None |
| Resource errors | None |
Flash Cache → Add New Patterns
| URL | /wp-admin/post-new.php?post_type=flash_cache_patterns |
|---|---|
| Aspect | menu-item |
| HTTP status | 200 |
| Load time | 0.323 s |
| Memory usage | 3.68 MiB |
| JS errors | None |
| Resource errors | None |
Flash Cache → Preload
| URL | /wp-admin/admin.php?page=flash_cache_preload |
|---|---|
| Aspect | menu-item |
| HTTP status | 200 |
| Load time | 0.176 s |
| Memory usage | 3.6 MiB |
| JS errors | None |
| Resource errors | None |
Test site – Just another WordPress site
| URL | / |
|---|---|
| Aspect | front-page |
| HTTP status | 200 |
| Load time | 0.203 s |
| Memory usage | 3.52 MiB |
| JS errors | None |
| Resource errors | None |
Benchmark
| URL | Load time | Memory usage | ||||
|---|---|---|---|---|---|---|
| Inactive | Active | Change | Inactive | Active | Change | |
| /wp-admin/index.php | 0.353 s | 0.314 s | -0.039 s | 3.51 MiB | 3.62 MiB | + 120.53 KiB |
| /wp-admin/edit.php | 0.221 s | 0.206 s | -0.015 s | 3.57 MiB | 3.69 MiB | + 117.08 KiB |
| /wp-admin/post-new.php | 0.833 s | 1.091 s | +0.258 s | 6.06 MiB | 6.18 MiB | + 121.16 KiB |
| /wp-admin/upload.php | 0.785 s | 0.503 s | -0.282 s | 3.52 MiB | 3.62 MiB | + 99.67 KiB |
| /wp-admin/options-writing.php | 0.249 s | 0.187 s | -0.062 s | 3.5 MiB | 3.6 MiB | + 103.66 KiB |
| /wp-admin/media-new.php | 0.294 s | 0.251 s | -0.043 s | 3.49 MiB | 3.6 MiB | + 111.86 KiB |
| /wp-admin/edit-tags.php?taxonomy=category | 0.207 s | 0.191 s | -0.016 s | 3.5 MiB | 3.62 MiB | + 122.53 KiB |
| /wp-admin/post-new.php?post_type=page | 0.756 s | 0.629 s | -0.127 s | 6.05 MiB | 6.16 MiB | + 116.68 KiB |
| /wp-admin/options-discussion.php | 0.281 s | 0.310 s | +0.029 s | 3.5 MiB | 3.6 MiB | + 100.16 KiB |
| /wp-admin/edit-comments.php | 0.451 s | 0.454 s | +0.003 s | 3.52 MiB | 3.62 MiB | + 99.66 KiB |
| / | 0.323 s | 0.231 s | -0.092 s | 3.43 MiB | 3.52 MiB | + 90.04 KiB |
| Average | 0.432 s | 0.397 s | -0.035 s | 3.97 MiB | 4.08 MiB | + 109.37 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 | 83.3% | 3,967 | 820 | 15 | |
| CSS | 13.8% | 659 | 9 | 2 | |
| JavaScript | 2.0% | 95 | 5 | 1 | |
| Markdown | 0.9% | 44 | 0 | 1 | |
| Total | 4,765 | 834 | 19 | ||
PHP Code Analysis | More results »
| Lines of code | 4,037 |
|---|---|
| Total complexity | 840 |
| Median class complexity | 22.5 |
| Median method complexity | 3.0 |
| Most complex class | flash_cache_process |
| Most complex function | flash_cache_process::process_cache_from_query() |
| Classes | 16 |
|---|---|
| Methods | 129 |
| Functions | 40 |
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
- wp_flash_lock
Options wp_options 2
- flash_cache_updated_3_3
- flash_cache_version
Custom Post Types 1
| ID | Name |
|---|---|
| flash_cache_patterns | Patterns |
PHP Error Log 1 lines
[07-Oct-2025 17:59:13 UTC] PHP Notice: Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>flash-cache</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 6121