SEO · Operational
Images & Search Presentation
Descriptive alt text helps when the image conveys meaning. Decorative images without alt are not automatic failures.
Version seo-v1.0
What is this benchmark?
Images & Search Presentation
Descriptive alt text helps when the image conveys meaning. Decorative images without alt are not automatic failures.
Why it matters
Descriptive alt text helps when the image conveys meaning. Decorative images without alt are not automatic failures.
How SiteGlue evaluates it
First-party sampled HTML crawl with SSRF controls. Evidence is stored per check. Rankings and backlinks are not invented.
- Passing criteria
- Verified evidence meets the benchmark. Partial findings score 2.5 of 5.
- Failing criteria
- Verified evidence shows a blocking issue, such as homepage noindex.
- Not verified
- The crawler or PageSpeed Insights could not verify the check.
- Not applicable
- Rare. Most public sites should be evaluable.
Scoring weight: 5. Evidence: Crawled URLs, headers, markup, or labeled PageSpeed Insights vitals.
Example results
Pass
Add descriptive alt text on informative images and fix broken image URLs.
Fail
The check failed on crawled evidence, or the report invented a ranking.
Recommended fixes
- Add descriptive alt text on informative images and fix broken image URLs.
Frequently asked questions
Does this prove a Google ranking?
No. SEO-v1.0 scores crawlability and on-page evidence. Rankings, traffic, and backlinks stay Unable to Verify until a connected integration exists.
Run the SEO audit.