Live Preview for Contact Form 7 1.2.0
Does "Live Preview for Contact Form 7" work with WordPress 6.9.4 and PHP 8.1.12? A smoke test was performed on .
Summary
| 1 | PHP notices |
| No JavaScript exceptions | |
| All test pages loaded successfully | |
| No resource errors |
Memory usage: 96.73 bytes
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.
| WordPress version | 6.9.4 |
|---|---|
| PHP version | 8.1.12 |
| MySQL version | 10.6.10 |
| PHP memory limit | 512M |
| Last updated | |
|---|---|
| Active installs | 8,000+ |
| WordPress.org page | https://wordpress.org/plugins/cf7-live-preview/ |
| Badges |
|
Pages 2
Plugins ‹ Test site — WordPress
| URL | /wp-admin/plugins.php?plugin_status=all&paged=1&s |
|---|---|
| Requested URL | /wp-admin/plugins.php?action=activate&plugin=cf7-live-preview%2Fcontact-form-7-live-preview.php&plugin_status=all&paged=1&s&_wpnonce=327023815c |
| Aspect | after-activation |
| HTTP status | 200 |
| Load time | 0.317 s |
| Memory usage | 3.74 MiB |
| JS errors | None |
| Resource errors | None |
Test site – Just another WordPress site
| URL | / |
|---|---|
| Aspect | front-page |
| HTTP status | 200 |
| Load time | 0.220 s |
| Memory usage | 4.11 MiB |
| JS errors | None |
| Resource errors | None |
Benchmark
| URL | Load time | Memory usage | ||||
|---|---|---|---|---|---|---|
| Inactive | Active | Change | Inactive | Active | Change | |
| /wp-admin/index.php | 0.363 s | 0.325 s | -0.038 s | 3.78 MiB | 3.78 MiB | + 5.59 KiB |
| /wp-admin/edit.php | 0.334 s | 0.278 s | -0.056 s | 3.78 MiB | 3.79 MiB | + 5.59 KiB |
| /wp-admin/post-new.php | 0.832 s | 0.949 s | +0.117 s | 6.31 MiB | 6.32 MiB | + 10.02 KiB |
| /wp-admin/upload.php | 0.625 s | 0.503 s | -0.122 s | 3.74 MiB | 3.73 MiB | - 11.81 KiB |
| /wp-admin/options-writing.php | 0.301 s | 0.290 s | -0.011 s | 3.71 MiB | 3.7 MiB | - 7.82 KiB |
| /wp-admin/media-new.php | 0.465 s | 0.330 s | -0.135 s | 3.7 MiB | 3.7 MiB | + 384 bytes |
| /wp-admin/edit-tags.php?taxonomy=category | 0.316 s | 0.288 s | -0.028 s | 3.72 MiB | 3.73 MiB | + 11.05 KiB |
| /wp-admin/post-new.php?post_type=page | 0.799 s | 0.605 s | -0.194 s | 6.3 MiB | 6.3 MiB | + 5.55 KiB |
| /wp-admin/options-discussion.php | 0.313 s | 0.384 s | +0.071 s | 3.71 MiB | 3.7 MiB | - 11.32 KiB |
| /wp-admin/edit-comments.php | 0.302 s | 0.320 s | +0.018 s | 3.73 MiB | 3.72 MiB | - 11.82 KiB |
| / | 0.266 s | 0.178 s | -0.088 s | 4.11 MiB | 4.11 MiB | + 5.63 KiB |
| Average | 0.447 s | 0.405 s | -0.042 s | 4.23 MiB | 4.24 MiB | + 96.73 bytes |
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 | 46.8% | 241 | 100 | 2 | |
| JavaScript | 41.2% | 212 | 50 | 2 | |
| CSS | 12.0% | 62 | 1 | 1 | |
| Total | 515 | 151 | 5 | ||
PHP Code Analysis | More results »
| Lines of code | 222 |
|---|---|
| Total complexity | 41 |
| Median class complexity | 41.0 |
| Median method complexity | 2.0 |
| Most complex class | CF7_Live_Preview |
| Most complex function | CF7_Live_Preview::save_preview() |
| Classes | 1 |
|---|---|
| Methods | 15 |
| Functions | 0 |
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 5
- cf7lp_autoreload
- cf7lp_background
- cf7lp_entirepage
- cf7lp_preview_post_id
- cf7lp_width
PHP Error Log 1 lines
[12-Mar-2026 18:30:56 UTC] PHP Notice: Function wp_delete_post was called <strong>incorrectly</strong>. The post ID must be greater than 0. 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 6.9.0.) in /wp-includes/functions.php on line 6131