For AI agents: a documentation index is available at /llms.txt. Markdown versions of these pages are available by appending `.md` to the URL or by sending `Accept: text/markdown`.

Rules / og-image-alt-missing · ruleset 2026-07

Missing og:image:alt

warningog-image-alt-missing

Name

Missing og:image:alt og-image-alt-missing

og:image:alt improves accessibility and is consumed by some platforms when the image fails to load.

How to fix

Add a short plain-language description of the share image.

Example fix:

<meta property="og:image:alt" content="Product screenshot on a dark background" />

Copy or download

Copyable Markdown for a teammate or an agent chat.

# og-image-alt-missing — Missing og:image:alt

- **Name:** Missing og:image:alt

## Description

og:image:alt improves accessibility and is consumed by some platforms when the image fails to load.

## How to fix

Add a short plain-language description of the share image.

### Example fix:

```html
<meta property="og:image:alt" content="Product screenshot on a dark background" />
```

## Rule docs

https://ogkit.akr.moe/rules/og-image-alt-missing

Download an Agent Skill package for this rule.

Download og-image-alt-missing.skill

The file is a ZIP of skill-name/SKILL.md (Agent Skills spec). The .skill extension is that ZIP; rename to .zip if a client asks for one.

Rule idog-image-alt-missing
Severitywarning
CategoryImages
Platformsall platforms
Needs humanno

What this is

Missing og:image:alt. OGKit rule og-image-alt-missing (warning). The id is a public API for the docs URL and CI --disable key; do not rename it.

Search phrases that should land on this page:

  • Missing og:image:alt
  • og:image:alt is missing

Why it matters

og:image:alt improves accessibility and is consumed by some platforms when the image fails to load.

Which platforms are affected

All OGKit platform profiles, including major social, chat, and search crawlers that consume these tags.

Platform-specific crawler budgets and field priority live in the platform behaviour reference.

How to reproduce

  1. Search for `property="og:image:alt"`. Missing or empty content triggers the warning.
OGKit