Kilotest: Diagnoses of attribute value invalid violation by HTML element 1273 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 1273

• Tag name: IMG
• Text: [not applicable]
• Start tag: <img loading="lazy" sizes="277px" srcset="https://static.wixstatic.com/media/0991d1_28f71798399c4c568dc60be1506049b5~mv2.jpg/v1/fill/w_277,h_369,al_c,q_80,usm_0.66_1.00_0.01,enc_avif,quality_auto/0991d1_28f71798399c4c568dc60be1506049b5~mv2.jpg 1x, https://static.wixstatic.com/media/0991d1_28f71798399c4c568dc60be1506049b5~mv2.jpg/v1/fill/w_554,h_738,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/0991d1_28f71798399c4c568dc60be1506049b5~mv2.jpg 2x" id="img_comp-mb6xov6w" src="https://static.wixstatic.com/media/0991d1_28f71798399c4c568dc60be1506049b5~mv2.jpg/v1/fill/w_277,h_369,al_c,q_80,usm_0.66_1.00_0.01,enc_avif,quality_auto/0991d1_28f71798399c4c568dc60be1506049b5~mv2.jpg" alt="" style="object-fit:cover" class="KDamZi sFiSiq" width="277" height="369">
• XPath: [not obtained]
• Bounding box: x = 970, y = 9850, width = 277, height = 369

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 1273 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 …9b5~mv2.jpg 1x,. (When the sizes attribute is present, all image candidate strings must specify a width.)

   Tool: Html Checker API (World Wide Web Consortium)