Kilotest: Diagnoses of attribute value invalid violation by HTML element 501 on Next Generation Playground page

Basics

About the Next Generation Playground page

• URL: https://www.playnextgeneration.com/
• Tested 14 days ago by job cg9 on 2026-05-18 at 15:01

About HTML element 501

• Tag name: IMG
• Text: [not applicable]
• Start tag: <img sizes="25px" srcset="https://static.wixstatic.com/media/11062b_2381e8a6e7444f4f902e7b649aa3f0ac~mv2.png/v1/fill/w_25,h_25,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/11062b_2381e8a6e7444f4f902e7b649aa3f0ac~mv2.png 1x, https://static.wixstatic.com/media/11062b_2381e8a6e7444f4f902e7b649aa3f0ac~mv2.png/v1/fill/w_50,h_50,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/11062b_2381e8a6e7444f4f902e7b649aa3f0ac~mv2.png 2x" id="img_0_comp-me4zh0nt12" src="https://static.wixstatic.com/media/11062b_2381e8a6e7444f4f902e7b649aa3f0ac~mv2.png/v1/fill/w_25,h_25,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/11062b_2381e8a6e7444f4f902e7b649aa3f0ac~mv2.png" alt="Facebook" style="object-fit:cover" class="ZK9snE sFiSiq" width="25" height="25">
• XPath: [not obtained]
• Bounding box: x = 1621, y = 2733, width = 25, height = 25

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 501 of the Next Generation Playground page.

1. Bad value for attribute srcset on element img: Expected width descriptor but found 1x at …0ac~mv2.png 1x,. (When the sizes attribute is present, all image candidate strings must specify a width.)

   Tool: Html Checker API (World Wide Web Consortium)