This guide focuses on image alt text for seo and accessibility: write it like a human. It starts with the decision a reader is likely facing, then explains the evidence and the smallest practical next step.

Quick answer

Good alt text describes the useful meaning of an image for someone who cannot see it.

Why people search this

Bloggers want image traffic and accessibility but often stuff keywords or leave alt text empty.

Search interest usually comes from a real moment: a suspicious message, a confusing setting, a job decision, a technical bug, or a content question that affects traffic. The best answer should reduce panic and increase judgment.

Mental model

Alt text is not a keyword box. It is a replacement for visual information when the image is unavailable or inaccessible.

| Situation | Better question | |