Kilotest: Diagnoses of attribute value invalid violation by HTML element 142 on Probably Good page

Basics

About the Probably Good page

• URL: https://probablygood.org/
• Tested 3 days ago by job n2u on 2026-05-30 at 00:32

About HTML element 142

• Tag name: IMG
• Text: [not applicable]
• Start tag: <img class="header-image is-logo-image" alt="Probably Good" src="https://probablygood.org/wp-content/uploads/Probably-Good-logo-dark.png" title="Probably Good" srcset="https://probablygood.org/wp-content/uploads/Probably-Good-logo-dark.png 1x, 2x" width="360" height="180">
• XPath: /html/body/div[1]/header[1]/div[1]/div[2]/a[1]/img[1]
• Bounding box: x = 360, y = 20, width = 140, height = 70

About the attribute value invalid issue

• Why it matters: Item behaves improperly
• Priority: highest
• Related WCAG standard: 1.3.1

Diagnoses

Here is how tools diagnose the attribute value invalid issue for HTML element 142 of the Probably Good page.

1. Bad value https://probablygood.org/wp-content/uploads/Probably-Good-logo-dark.png 1x, 2x for attribute srcset on element img: Density for image 2x is identical to density for image https://probablygood.org/…obably-Good-logo-dark.png.

   Tool: Html Checker API (World Wide Web Consortium)