ShortPixel Image Optimizer 6.3.5
Does ShortPixel Image Optimizer work with WordPress 6.8.3 and PHP 8.1.12? A smoke test was performed on .
Summary
Errors
| 12 | PHP warnings |
| 5 | PHP deprecation warnings |
| No JavaScript exceptions | |
| All test pages loaded successfully | |
| No resource errors |
Performance
Memory usage: 291.73 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 | 6.8.3 |
|---|---|
| PHP version | 8.1.12 |
| MySQL version | 10.6.10 |
| PHP memory limit | 512M |
Plugin Info
| Last updated | |
|---|---|
| Active installs | 300,000+ |
| WordPress.org page | https://wordpress.org/plugins/shortpixel-image-optimiser/ |
| Badges |
|
Pages 5
ShortPixel Settings ‹ Test site — WordPress
| URL | /wp-admin/options-general.php?page=wp-shortpixel-settings |
|---|---|
| Requested URL | /wp-admin/plugins.php?action=activate&plugin=shortpixel-image-optimiser%2Fwp-shortpixel.php&plugin_status=all&paged=1&s&_wpnonce=27eb4430de |
| Aspect | after-activation |
| HTTP status | 200 |
| Load time | 2.607 s |
| Memory usage | 4.53 MiB |
| JS errors | None |
| Resource errors | None |
Media → Custom Media
| URL | /wp-admin/upload.php?page=wp-short-pixel-custom |
|---|---|
| Aspect | menu-item |
| HTTP status | 200 |
| Load time | 0.283 s |
| Memory usage | 3.92 MiB |
| JS errors | None |
| Resource errors | None |
Media → Bulk ShortPixel
| URL | /wp-admin/upload.php?page=wp-short-pixel-bulk |
|---|---|
| Aspect | menu-item |
| HTTP status | 200 |
| Load time | 0.424 s |
| Memory usage | 4.94 MiB |
| JS errors | None |
| Resource errors | None |
Settings → ShortPixel
| URL | /wp-admin/options-general.php?page=wp-shortpixel-settings |
|---|---|
| Aspect | menu-item |
| HTTP status | 200 |
| Load time | 0.702 s |
| Memory usage | 4.12 MiB |
| JS errors | None |
| Resource errors | None |
Test site – Just another WordPress site
| URL | / |
|---|---|
| Aspect | front-page |
| HTTP status | 200 |
| Load time | 0.225 s |
| Memory usage | 3.61 MiB |
| JS errors | None |
| Resource errors | None |
Benchmark
| URL | Load time | Memory usage | ||||
|---|---|---|---|---|---|---|
| Inactive | Active | Change | Inactive | Active | Change | |
| /wp-admin/index.php | 0.349 s | 0.325 s | -0.024 s | 3.51 MiB | 3.83 MiB | + 329.38 KiB |
| /wp-admin/edit.php | 0.208 s | 0.243 s | +0.035 s | 3.57 MiB | 3.86 MiB | + 293.34 KiB |
| /wp-admin/post-new.php | 0.824 s | 0.731 s | -0.093 s | 6.06 MiB | 6.36 MiB | + 307.18 KiB |
| /wp-admin/upload.php | 0.798 s | 0.520 s | -0.278 s | 3.52 MiB | 4.11 MiB | + 598.59 KiB |
| /wp-admin/options-writing.php | 0.233 s | 0.206 s | -0.027 s | 3.5 MiB | 3.74 MiB | + 247.66 KiB |
| /wp-admin/media-new.php | 0.280 s | 0.257 s | -0.023 s | 3.49 MiB | 3.74 MiB | + 257.87 KiB |
| /wp-admin/edit-tags.php?taxonomy=category | 0.206 s | 0.205 s | -0.001 s | 3.5 MiB | 3.76 MiB | + 266.62 KiB |
| /wp-admin/post-new.php?post_type=page | 0.788 s | 0.687 s | -0.101 s | 6.05 MiB | 6.35 MiB | + 302.71 KiB |
| /wp-admin/options-discussion.php | 0.275 s | 0.320 s | +0.045 s | 3.5 MiB | 3.74 MiB | + 244.16 KiB |
| /wp-admin/edit-comments.php | 0.243 s | 0.224 s | -0.019 s | 3.52 MiB | 3.76 MiB | + 243.81 KiB |
| / | 0.333 s | 0.201 s | -0.132 s | 3.5 MiB | 3.61 MiB | + 117.67 KiB |
| Average | 0.412 s | 0.356 s | -0.056 s | 3.98 MiB | 4.26 MiB | + 291.73 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.
| Language | % | Lines of code | Comment lines | Files | |
|---|---|---|---|---|---|
| PHP | 63.5% | 32,765 | 3,733 | 168 | |
| JavaScript | 13.0% | 6,730 | 528 | 19 | |
| CSS | 10.6% | 5,448 | 79 | 11 | |
| Sass | 9.3% | 4,818 | 238 | 34 | |
| SVG | 3.2% | 1,631 | 4 | 64 | |
| Markdown | 0.2% | 111 | 0 | 1 | |
| JSON | 0.2% | 104 | 0 | 7 | |
| Total | 51,607 | 4,582 | 304 | ||
PHP Code Analysis | More results »
| Lines of code | 28,817 |
|---|---|
| Total complexity | 6,048 |
| Median class complexity | 24.0 |
| Median method complexity | 2.0 |
| Most complex class | ShortPixel\Model\Image\MediaLibraryModel |
| Most complex function | ShortPixel\Model\Image\MediaLibraryModel::checkLegacy() |
| Classes | 127 |
|---|---|
| Methods | 1,514 |
| Functions | 1 |
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 5
- wp_shortpixel_aipostmeta
- wp_shortpixel_folders
- wp_shortpixel_meta
- wp_shortpixel_postmeta
- wp_shortpixel_queue
Options wp_options 5
- ShortPixel-notices
- shortqwp_SPIO
- spio_key
- spio_settings
- wp-short-pixel-activation-date
User Metadata wp_usermeta 1
- wp_media_library_mode
PHP Error Log 17 lines
[30-Oct-2025 10:54:09 UTC] PHP Warning: Undefined array key "HTTP_HOST" in /wp-config.php on line 174
[30-Oct-2025 10:54:09 UTC] PHP Warning: Undefined array key "HTTP_HOST" in /wp-config.php on line 175
[30-Oct-2025 10:54:09 UTC] PHP Warning: Undefined array key "host" in /wp-includes/canonical.php on line 717
[30-Oct-2025 10:54:09 UTC] PHP Deprecated: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-includes/canonical.php on line 717
[30-Oct-2025 10:54:09 UTC] PHP Warning: Undefined array key "host" in /wp-includes/canonical.php on line 718
[30-Oct-2025 10:54:09 UTC] PHP Deprecated: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-includes/canonical.php on line 718
[30-Oct-2025 10:54:09 UTC] PHP Warning: Undefined array key "host" in /wp-includes/canonical.php on line 728
[30-Oct-2025 10:54:09 UTC] PHP Warning: Undefined array key "host" in /wp-includes/canonical.php on line 731
[30-Oct-2025 10:54:09 UTC] PHP Warning: Undefined array key "scheme" in /wp-includes/canonical.php on line 752
[30-Oct-2025 10:54:09 UTC] PHP Warning: Undefined array key "host" in /wp-includes/canonical.php on line 717
[30-Oct-2025 10:54:09 UTC] PHP Deprecated: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-includes/canonical.php on line 717
[30-Oct-2025 10:54:09 UTC] PHP Warning: Undefined array key "host" in /wp-includes/canonical.php on line 718
[30-Oct-2025 10:54:09 UTC] PHP Deprecated: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-includes/canonical.php on line 718
[30-Oct-2025 10:54:09 UTC] PHP Warning: Undefined array key "host" in /wp-includes/canonical.php on line 728
[30-Oct-2025 10:54:09 UTC] PHP Warning: Undefined array key "host" in /wp-includes/canonical.php on line 731
[30-Oct-2025 10:54:09 UTC] PHP Warning: Undefined array key "scheme" in /wp-includes/canonical.php on line 752
[30-Oct-2025 10:54:09 UTC] PHP Deprecated: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-includes/link-template.php on line 4830