Kilotest: Diagnoses of sizes attribute invalid violation by HTML element 696 on Portland State University page

Basics

About the Portland State University page

• URL: https://www.pdx.edu/
• Tested 24 days ago by job j3n on 2026-05-08 at 15:59

About HTML element 696

• Tag name: SOURCE
• Text: [not applicable]
• Start tag: <source srcset="/sites/ondeck.web.wdt.pdx.edu/files/styles/large_hero_media_extra_large_1440_x_587/public/2024-12/20240521_PSU_181_EDIT.jpg?h=0c170278&amp;itok=fZzR2pCQ 1x" media="(min-width: 1200px)" type="image/jpeg" width="1440" height="587">
• XPath: [not obtained]
• Bounding box: x = 960, y = 123, width = 0, height = 0

About the sizes attribute invalid issue

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

Diagnoses

Here is how tools diagnose the sizes attribute invalid issue for HTML element 696 of the Portland State University page.

1. When the srcset attribute has any image candidate string with a width descriptor, the sizes attribute must also be specified.

   Tool: Html Checker API (World Wide Web Consortium)

2. When the srcset attribute has any image candidate string with a width descriptor, the sizes attribute must also be specified.

   Tool: Html Checker API (World Wide Web Consortium)