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JPKCom Gutenberg Image Block Alt-Attribute — Guide & Tips

Dynamically and SEO-friendly update the alt text of Gutenberg image blocks in WordPress — installation and practical notes for the JPKCom plugin.

JPKCom Gutenberg Image Block Alt-Attribute provides SEO-friendly, dynamic updates for the alt text of Gutenberg image blocks. The plugin works without a settings page — once activated, it takes effect automatically.

Guide

Requirements

  • WordPress 6.9 or newer (tested up to 7.0)
  • PHP 8.3 or newer

Installation

  1. In your admin panel, go to Plugins → Add New and click Upload Plugin.
  2. Choose the plugin's ZIP file and click Install Now.
  3. Click Activate — the plugin is ready to use right away.

There is no settings page. Once the plugin is active, the alt attributes of image blocks are updated dynamically.

Tips & Tricks

  • Meaningful alt text helps SEO: Good alt attributes benefit both search engines and screen readers. The plugin keeps the alt text in the core/image block dynamically up to date.
  • Activate and forget: As there is no configuration, nothing needs to be set up after activation.
  • Reproducible updates: Since version 1.0.2 the plugin uses secure self-hosted updates via GitHub with SHA256 checksums and runs with declare(strict_types=1).

Further reading