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Smart Custom 404 Error Page v11.4.8

Create a custom 404 error page the easy way! No coding, and no redirects.

Plugin Auditor is an independent service and is not affiliated with, endorsed by, or sponsored by Smart Custom 404 Error Page or its developer. Disclaimer.

  • Audit coverage Up to date 3 versions audited
  • On Plugin Auditor since Sep 4, 2026
  • Last audited Sep 4, 2026

Compatibility & requirements

The PHP and WordPress versions this plugin needs, and how current its version support is.

  • Requires PHP 5.4+
  • Requires WordPress 4.0+
  • Tested up to WP 7.0 WP 7.1.3 is current
  • Version adoption 91% run the current version

Audit scores by category

125 checks

How this plugin scores across the six areas we audit, from security to accessibility.

  • 98 Passed
  • 23 Warnings
  • 4 Failed
Security 84/100
Good

31 of 37 checks passed.

Code Quality 77/100
Needs Improvement

47 of 61 checks passed.

Performance 67/100
Needs Improvement

8 of 12 checks passed.

Compatibility 100/100
Excellent

6 of 6 checks passed.

Privacy 100/100
Excellent

3 of 3 checks passed.

Accessibility 50/100
Needs Improvement

3 of 6 checks passed.

Code footprint

How much code ships in this plugin, and the file types that make it up.

View in detail

ZIP file size

51.0 KB

154.9 KB unzipped

Total files

42

across all file types

Lines of PHP

4,402

in 26 files Medium

File types

  • PHP
  • JS
  • SVG
  • CSS
  • Other

Top issues

The most important findings from the latest audit, ordered by severity.

  • 0 Critical
  • 67 High
  • 17 Medium
  • 35 Low

This is a preview of notable findings. Full file-level results, line numbers and code context are in the scan.

View full report

How scores changed across versions

Across 3 audited versions of Smart Custom 404 Error Page, Compatibility improved the most (+17). The largest regression was in Code Quality (-2). The codebase shrank 1% in size.

Audited 11.4.6 → 11.4.8 · 3 versions

0 50 100 11.4.8

How issues changed across versions

Findings by severity for each audited version, so you can see which issues were fixed over time.

0 60 120 11.4.8

Download momentum

How fast this plugin is being installed lately, and whether that pace is rising or slowing.

Last 7 days

1,387

downloads

Today

248

downloads

Week over week

+8%

vs previous week

Month over month

+16%

vs previous month

Download trend: Growing. Abandonment risk: Low.

Version intelligence

9.3% of installs run an older version

≈ 9.3K+ sites on a lower-scoring version.

  • Other
  • v11.4

Ratings

1,196 ratings on WordPress.org

  • 5 1,160
  • 4 8
  • 3 8
  • 2 3
  • 1 17

Support: 0 / 1 threads resolved in the last two months

Maintenance & history

How actively this plugin is kept up, from its last update to its release history.

Last updated

3 mo ago

May 21, 2026

Actively maintained

Release cadence

~ every 382 days

average between releases

Total releases

3

since Apr 2024 · 2 yrs

Contributors & developers

The people credited with building and maintaining this plugin.

Running Smart Custom 404 Error Page in Your Site?

Our latest audit of Smart Custom 404 Error Page v11.4.8 flagged 119 issues. Scan your own copy to see each one with its exact file, line number, and a recommended fix.

Smart Custom 404 Error Page and its trademarks are used only to identify the plugin analyzed and remain the property of their owners. This is an independent Plugin Auditor audit, not affiliated with, sponsored by, or endorsed by the plugin's developer. Metadata may come from WordPress.org; scores, findings, classifications, and visualizations are independently generated by Plugin Auditor. Full disclaimer.