Kilotest: Diagnoses of attribute value invalid violation by HTML element 425 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 425

• Tag name: IMG
• Text: [not applicable]
• Start tag: <img sizes="155px" srcset="https://static.wixstatic.com/media/11062b_cb27c61054af44dbb90f7b6453869643f000.png/v1/fill/w_155,h_155,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/11062b_cb27c61054af44dbb90f7b6453869643f000.png 1x, https://static.wixstatic.com/media/11062b_cb27c61054af44dbb90f7b6453869643f000.png/v1/fill/w_310,h_310,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/11062b_cb27c61054af44dbb90f7b6453869643f000.png 2x" id="comp-m69w5ohh_img" src="https://static.wixstatic.com/media/11062b_cb27c61054af44dbb90f7b6453869643f000.png/v1/fill/w_155,h_155,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/11062b_cb27c61054af44dbb90f7b6453869643f000.png" alt="" style="width:100%;height:100%;object-fit:cover" class="rv3vOe dnHU4q bgVideoposter xSZeaB sFiSiq" width="155" height="155">
• XPath: [not obtained]
• Bounding box: x = 513, y = 1731, width = 155, height = 155

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 425 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 …643f000.png 1x,. (When the sizes attribute is present, all image candidate strings must specify a width.)

   Tool: Html Checker API (World Wide Web Consortium)