Kilotest: Diagnoses of attribute value invalid violation by HTML element 178 on Cátedra UNESCO Legislación, Sociedad y Patrimonio page

Basics

About the Cátedra UNESCO Legislación, Sociedad y Patrimonio page

• URL: https://catedrapatrimonio.wixsite.com/ugto
• Tested 13 days ago by job auj on 2026-07-07 at 18:07

About HTML element 178

• Tag name: IMG
• Text: [not applicable]
• Start tag: <img fetchpriority="high" sizes="243px" srcset="https://static.wixstatic.com/media/0991d1_aa3d9ab7276e443ba0ecf304893bc1e8~mv2.png/v1/crop/x_2,y_0,w_3769,h_2200/fill/w_243,h_141,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/catedra%20unitwin%20logo%2000.png 1x, https://static.wixstatic.com/media/0991d1_aa3d9ab7276e443ba0ecf304893bc1e8~mv2.png/v1/crop/x_2,y_0,w_3769,h_2200/fill/w_486,h_282,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/catedra%20unitwin%20logo%2000.png 2x" id="img_comp-k5ed62j6" src="https://static.wixstatic.com/media/0991d1_aa3d9ab7276e443ba0ecf304893bc1e8~mv2.png/v1/crop/x_2,y_0,w_3769,h_2200/fill/w_243,h_141,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/catedra%20unitwin%20logo%2000.png" alt="catedra unitwin logo 00.png" style="object-fit:cover" class="gRkIq0 sFiSiq" width="243" height="141">
• XPath: [not obtained]
• Bounding box: x = 816, y = 1014, width = 243, height = 141

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 178 of the Cátedra UNESCO Legislación, Sociedad y Patrimonio page.

1. Bad value for attribute srcset on element img: Expected width descriptor but found 1x at …go%2000.png 1x,. (When the sizes attribute is present, all image candidate strings must specify a width.)

   Tool: Html Checker API (World Wide Web Consortium)