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  4. Block Weight Inspector
Block Weight Inspector icon

Block Weight Inspector

See which blocks load which CSS/JS assets on a page and estimate their weight.

By devmarvs·Assets·Free
00
·0 active installs·Updated 2 months ago
DownloadCompare

As of April 2026, Block Weight Inspector is a WordPress assets plugin with 0 active installations and a 0/5 rating0. It has been downloaded 123 times in total. Requires WordPress 6.0+ and PHP 7.4+. Available on WordPress.org since 2026. Recently updated within the last 3 months. Top alternative: Prevent Browser Caching.

0/5Rating
0active installs
123total downloads
3 monthssince 2026

Overview

Block Weight Inspector adds a sidebar panel in the block editor that maps blocks in the current post/page to the CSS and JS assets they register. It estimates local asset sizes, highlights top offenders, and exports a JSON report. It can also generate a suggested conditional-loading snippet to help you dequeue assets when a block is not present.
It also adds a Tools -> Block Weight Inspector screen for auditing existing posts without opening the editor.
Note: The inspector preserves block comment delimiters when analyzing content so parse_blocks() remains accurate after sanitization.

Key features:

  • Block -> asset mapping using registered block metadata.
  • Estimated size for local assets.
  • Top offenders summary and full asset list.
  • JSON export for sharing or auditing.
  • Suggested conditio…
Read full description on WordPress.org

Ratings & Reviews

00 reviews
5 ★
0
4 ★
0
3 ★
0
2 ★
0
1 ★
0

Compatibility

WordPress6.0+ requiredTested up to 6.9.4
PHP7.4+ required

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Frequently Asked Questions

Changelog

0.1.0

  • Initial release.
View full changelog on WordPress.org

Contributors

devmarvsdevmarvs
Plugin Info
Version
0.1.0
Last Updated
Jan 20, 2026
WP Requires
6.0+
Tested Up To
6.9.4
PHP Requires
7.4+
Active Installs
0
Downloads
123
Added
Jan 20, 2026
Business
Free

Tags

assetsblocksgutenbergprofilingperformance

Developer

D
devmarvs
2 plugins0
View all plugins →

Quick Compare

Block Weight Inspector vs Prevent Browser Caching→Block Weight Inspector vs Custom Upload Folder→Block Weight Inspector vs Disable Version Caching – Khanakia→

Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.