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Installation ​

Requirements ​

  • WordPress 6.6 or later
  • PHP 8.1 or later, with the DOM extension (php-xml). Most hosts have it switched on. If yours doesn't, Lumtera shows a notice asking you to have your host enable it, and doesn't start.

Optional:

  • WordPress 6.9+ for the Abilities API, which lets AI assistants run Lumtera's checks.
  • WordPress 7.0+ and an AI provider connected under Settings → Connectors for AI suggestions: alt text, link text, headings and plain-language summaries.

Install the free plugin ​

  1. In WordPress, go to Plugins → Add New.
  2. Search for Lumtera. Click Install Now, then Activate.

Or upload the zip: Plugins → Add New → Upload Plugin, choose lumtera.zip, then Install Now and Activate.

Lumtera needs no account and no API key. Everything runs inside your own WordPress.

Your first check ​

After you activate it, a notice says "Lumtera is ready." on the Dashboard and Plugins screens, until you run your first check or dismiss it.

  1. Click Check my site, or go to Accessibility → Overview.
  2. Click Check all content. Lumtera checks your posts, pages and products in small batches on your own server. Keep the tab open until it finishes. You can carry on working in another tab.
  3. When it's done, the Overview shows your average score, errors, items that need review, and the most common issues. See Site report.

From now on, content is checked again each time it's saved, so you don't need to re-run the full check.

Check a post as you write ​

Open any post in the block editor and click the Lumtera icon in the top toolbar. The Accessibility sidebar lists every issue in the post, with a fix for each one. See Block editor sidebar.

Add Lumtera Pro (optional) ​

Lumtera Pro is a separate add-on plugin. Keep the free plugin active, then upload and activate lumtera-pro.zip and enter your license key. See Lumtera Pro.

Multisite ​

Lumtera can be network-activated or activated per site. Each site keeps its own settings and results. See Multisite network.

Uninstalling ​

Deactivating Lumtera removes nothing. Deleting it removes its results and settings, but keeps any accessibility statement page you created. See Data & uninstall.