Child Theme Check
Warns you about outdated template files in your child theme and shows a diff view of the changes between parent and child theme template.
Child Theme Check ranks #7,671 among WordPress.org plugins with 800+ active installations, a 5/5 rating from 8 reviews, and was last updated May 31, 2026. Data from WordPress.org, refreshed twice daily — see methodology.
Next Milestone 900
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Security History
Source: WPVulnerabilityNo known vulnerabilities on record for Child Theme Check. Checked 1 month ago.
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- Version
- 1.0.10
- Last Updated
- May 31, 2026
- Requires WP
- 3.6.0+
- Tested Up To
- 7
- PHP Version
- N/A
- Author
- Torsten Landsiedel
Support & Rating
- Rating
- ★ ★ ★ ★ ★ 5
- Reviews
- 8
- Support Threads
- 0
- Resolved
- 0%
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TL;DR
AI summary of the plugin's readmeThis plugin is for WordPress users and developers who maintain child themes based on a parent theme. It warns when a child theme's template files are outdated compared to the parent theme and shows a diff of the changes so security risks and missed updates can be caught.
- Warns about outdated template files
- Diff view of template changes
- Compares parent and child theme files
- Reads @version info in headers
- Uses wp_text_diff() like revisions
Frequently Asked Questions
Common questions about Child Theme Check