Kilotest: Diagnoses of attribute value invalid violation by HTML element 597 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 597

• Tag name: IMG
• Text: [not applicable]
• Start tag: <img loading="lazy" sizes="426px" srcset="https://static.wixstatic.com/media/0991d1_4bd6a832e94f4ed29e198d38e9b6b6ac~mv2_d_6000_4000_s_4_2.jpg/v1/crop/x_439,y_0,w_4556,h_4000/fill/w_426,h_374,al_c,q_80,usm_0.66_1.00_0.01,enc_avif,quality_auto/Panoramica%20GTO.jpg 1x, https://static.wixstatic.com/media/0991d1_4bd6a832e94f4ed29e198d38e9b6b6ac~mv2_d_6000_4000_s_4_2.jpg/v1/crop/x_439,y_0,w_4556,h_4000/fill/w_852,h_748,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/Panoramica%20GTO.jpg 2x" id="img_comp-kp5wvcr9__item1" src="https://static.wixstatic.com/media/0991d1_4bd6a832e94f4ed29e198d38e9b6b6ac~mv2_d_6000_4000_s_4_2.jpg/v1/crop/x_439,y_0,w_4556,h_4000/fill/w_426,h_374,al_c,q_80,usm_0.66_1.00_0.01,enc_avif,quality_auto/Panoramica%20GTO.jpg" alt="Panoramica GTO.jpg" style="object-fit:cover" class="KDamZi sFiSiq" width="426" height="374">
• XPath: [not obtained]
• Bounding box: x = 500, y = 2300, width = 426, height = 374

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 597 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 …a%20GTO.jpg 1x,. (When the sizes attribute is present, all image candidate strings must specify a width.)

   Tool: Html Checker API (World Wide Web Consortium)