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  3. 2.19.21 (latest)

Spectra 2.19.21

Does Spectra work with WordPress 6.9.4 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
2Unrecognized messages in the PHP error log
6JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 2.46 MiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.604 seconds
The average page load time increased by this amount after activating the plugin.

Environment
WordPress version6.9.4
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 1,000,000+
WordPress.org page https://wordpress.org/plugins/ultimate-addons-for-gutenberg/
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Pages 8

Spectra ‹ Test site — WordPress

Page screenshot: Spectra ‹ Test site — WordPress
URL /wp-admin/admin.php?page=spectra&spectra-activation-redirect=1
Requested URL /wp-admin/plugins.php?action=activate&plugin=ultimate-addons-for-gutenberg%2Fultimate-addons-for-gutenberg.php&plugin_status=all&paged=1&s&_wpnonce=d96c530023
Aspect after-activation
HTTP status 200
Load time 2.638 s
Memory usage 4.87 MiB
JS errors 
[
    {
        "message": "SyntaxError: missing ) after argument list",
        "trace": null,
        "code": null
    }
]
Resource errors None

Spectra

Page screenshot: Spectra
URL /wp-admin/admin.php?page=spectra
Aspect menu-item
HTTP status 200
Load time 1.102 s
Memory usage 4.92 MiB
JS errors 
[
    {
        "message": "SyntaxError: missing ) after argument list",
        "trace": null,
        "code": null
    }
]
Resource errors None

Spectra → Blocks

Page screenshot: Spectra → Blocks
URL /wp-admin/admin.php?page=spectra&path=blocks
Aspect menu-item
HTTP status 200
Load time 1.044 s
Memory usage 4.92 MiB
JS errors 
[
    {
        "message": "SyntaxError: missing ) after argument list",
        "trace": null,
        "code": null
    }
]
Resource errors None

Spectra → Popup Builder

Page screenshot: Spectra → Popup Builder
URL /wp-admin/edit.php?post_type=spectra-popup
Aspect menu-item
HTTP status 200
Load time 0.436 s
Memory usage 4.77 MiB
JS errors None
Resource errors None

Spectra → AI Features

Page screenshot: Spectra → AI Features
URL /wp-admin/admin.php?page=spectra&path=ai-features
Aspect menu-item
HTTP status 200
Load time 0.560 s
Memory usage 4.92 MiB
JS errors 
[
    {
        "message": "SyntaxError: missing ) after argument list",
        "trace": null,
        "code": null
    }
]
Resource errors None

Spectra → Settings

Page screenshot: Spectra → Settings
URL /wp-admin/admin.php?page=spectra&path=settings
Aspect menu-item
HTTP status 200
Load time 0.438 s
Memory usage 4.92 MiB
JS errors 
[
    {
        "message": "SyntaxError: missing ) after argument list",
        "trace": null,
        "code": null
    }
]
Resource errors None

Spectra → Get Spectra Pro

Page screenshot: Spectra → Get Spectra Pro
URL /wp-admin/admin.php?page=spectra&path=free-vs-pro
Aspect menu-item
HTTP status 200
Load time 1.154 s
Memory usage 4.92 MiB
JS errors 
[
    {
        "message": "SyntaxError: missing ) after argument list",
        "trace": null,
        "code": null
    }
]
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
URL /
Aspect front-page
HTTP status 200
Load time 0.400 s
Memory usage 4.81 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.409 s0.495 s+0.086 s3.78 MiB4.77 MiB+ 1016.71 KiB
/wp-admin/edit.php0.399 s0.403 s+0.004 s3.78 MiB4.76 MiB+ 1002.05 KiB
/wp-admin/post-new.php0.874 s4.755 s+3.881 s6.31 MiB15.71 MiB+ 9.4 MiB
/wp-admin/upload.php0.689 s1.135 s+0.446 s3.74 MiB4.68 MiB+ 961.57 KiB
/wp-admin/options-writing.php0.384 s0.849 s+0.465 s3.71 MiB4.66 MiB+ 970.42 KiB
/wp-admin/media-new.php0.556 s0.406 s-0.150 s3.7 MiB4.66 MiB+ 978.62 KiB
/wp-admin/edit-tags.php?taxonomy=category0.443 s0.371 s-0.072 s3.72 MiB4.68 MiB+ 983.57 KiB
/wp-admin/post-new.php?post_type=page0.689 s2.275 s+1.586 s6.3 MiB15.63 MiB+ 9.33 MiB
/wp-admin/options-discussion.php0.312 s0.622 s+0.310 s3.71 MiB4.66 MiB+ 966.92 KiB
/wp-admin/edit-comments.php0.318 s0.405 s+0.087 s3.73 MiB4.68 MiB+ 966.52 KiB
/0.304 s0.300 s-0.004 s4.11 MiB4.81 MiB+ 720.1 KiB
Average 0.489 s1.092 s+0.604 s4.24 MiB6.7 MiB+ 2.46 MiB

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
JavaScript
Language % Lines of code Comment lines Files
PHP86.6%76,03814,006332
JavaScript8.9%7,80470375
CSS3.1%2,73116465
SVG1.2%1,088279
XML0.2%16611
JSON0.0%1806
Total 87,845 14,876 558

PHP Code Analysis | More results »

Lines of code 32,264
Total complexity 5,592
Median class complexity 17.0
Median method complexity 3.0
Most complex class UAGB_Block_Helper
Most complex function UAGB_Block_Helper::uag_get_background_obj()
Classes 119
Methods 1,111
Functions 17

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 17

User Metadata wp_usermeta 1

Custom Post Types 1

ID Name
spectra-popupPopup Builder

Capabilities 2

PHP Error Log 2 lines

[12-Mar-2026 11:54:20 UTC] Spectra: CSS/JS generation returned empty for post 1 (type: js). Keeping existing file to prevent 404.
[12-Mar-2026 11:54:39 UTC] Spectra: CSS/JS generation returned empty for post 1 (type: js). Keeping existing file to prevent 404.
See also: All tests for this plugin, How to Hide Spectra Admin Menus