An audit of image seo and descriptive text should end with a short list of defensible changes. A vague quality score is less useful than a clearly observed defect, the reason it matters, and a check that shows whether the repair worked.
Start with the intended outcome
Images should contribute to the page's explanation and remain understandable in the contexts where readers encounter them.
Track image loading issues, accessibility defects, and whether illustrations help readers complete the task.
Select a manageable sample that includes ordinary work as well as a known difficult case. Keep the current version and its relevant context. Do not assume that one unusually good or bad item represents the entire process.
Inspect five specific failure modes
1. AI alt text describes details unrelated to the image's purpose
Possible cause: The model inventories the scene without considering context.
Repair: Describe the information the image contributes to the page.
Acceptance check: A reader using the text alternative should receive the relevant meaning.
2. Decorative images receive distracting verbose descriptions
Possible cause: Every visual is treated as instructional.
Repair: Distinguish decoration from meaningful content when implementing text alternatives.
Acceptance check: Review the reading experience with decorative repetition removed.
3. Image files slow down otherwise simple articles
Possible cause: Original uploads are much larger than the displayed need.
Repair: Resize and compress assets while preserving necessary detail.
Acceptance check: Inspect visual quality and page loading on a representative mobile connection.
4. Charts have images but no accessible explanation
Possible cause: Important values exist only inside pixels.
Repair: Provide a nearby text explanation or data table for the key information.
Acceptance check: Confirm that the conclusion is understandable without seeing the chart.
5. Image captions make claims the image cannot establish
Possible cause: The caption interprets beyond the visible evidence.
Repair: Separate observed details from broader claims requiring sources.
Acceptance check: Check whether the caption accurately describes what the image shows.
Prioritize the findings
Separate confirmed defects from suspicions. Fix issues that make the work inaccurate, unusable, or misleading before cosmetic preferences. For each selected change, record the affected item, the supporting evidence, the owner, and the acceptance check. Leave unverified ideas in a separate investigation list.
Interpret improvement carefully
Inspect the affected page in its actual site context. A change to one URL may also affect navigation, related pages, or how existing visitors reach information. Keep a record of the original state so the consequences of the change remain understandable.
Repeat the relevant checks after the change. A completed edit proves that the work was changed; it does not by itself prove a broader business effect. Keep the technical or editorial repair distinct from later performance observations, and document other changes that could influence the comparison.
Official reference for the platform or standard discussed: W3C WAI: image alternatives.