Kilotest: Diagnoses of attribute value invalid violation by HTML element 456 on Salesforce page

Basics

About the Salesforce page

• URL: https://www.salesforce.com/
• Tested 30 days ago by job mh2 on 2026-06-20 at 13:56

About HTML element 456

• Tag name: IMG
• Text: [not applicable]
• Start tag: <img loading="lazy" src="https://wp.sfdcdigital.com/en-us/wp-content/uploads/sites/4/2025/10/1-up-rainbow-blue-bg.jpg?w=1024" class="background__image" alt="" sizes="100vw" srcset="https://wp.sfdcdigital.com/en-us/wp-content/uploads/sites/4/2025/10/1-up-rainbow-blue-bg.jpg?resize=150,150 150w,https://wp.sfdcdigital.com/en-us/wp-content/uploads/sites/4/2025/10/1-up-rainbow-blue-bg.jpg?resize=300,92 300w,https://wp.sfdcdigital.com/en-us/wp-content/uploads/sites/4/2025/10/1-up-rainbow-blue-bg.jpg?resize=768,235 768w,https://wp.sfdcdigital.com/en-us/wp-content/uploads/sites/4/2025/10/1-up-rainbow-blue-bg.jpg?resize=1024,313 1024w,https://wp.sfdcdigital.com/en-us/wp-content/uploads/sites/4/2025/10/1-up-rainbow-blue-bg.jpg?resize=1536,469 1536w,https://wp.sfdcdigital.com/en-us/wp-content/uploads/sites/4/2025/10/1-up-rainbow-blue-bg.jpg?resize=2048,626 2048w" width="100%">
• XPath: /html/body/div[2]/main[1]/div[17]/section[1]/div[2]/div[1]/div[1]/img[1]
• Bounding box: x = 0, y = 2319, width = 1520, height = 465

About the attribute value invalid issue

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

Diagnoses

Here is how rule engines diagnose the attribute value invalid issue for HTML element 456 of the Salesforce page.

1. Bad value 100% for attribute width on element img: Expected a digit but saw % instead.

   Tool: Html Checker API (World Wide Web Consortium)