Kilotest: Diagnoses of sizes attribute invalid violation by HTML element 538 on Parking Reform Network page

Basics

About the Parking Reform Network page

• URL: https://parkingreform.org/
• Tested 29 days ago by job mff on 2026-05-03 at 17:02

About HTML element 538

• Tag name: IMG
• Text: [not applicable]
• Start tag: <img data-recalc-dims="1" decoding="async" srcset="https://parkingreform.org/wp-content/uploads/2026/04/PutItOnAMap-3-300x300.png ,https://parkingreform.org/wp-content/uploads/2026/04/PutItOnAMap-3.png 780w, https://parkingreform.org/wp-content/uploads/2026/04/PutItOnAMap-3.png 360w" sizes="auto, (max-width: 480px) 150px" src="https://i0.wp.com/parkingreform.org/wp-content/uploads/2026/04/PutItOnAMap-3.png?resize=400%2C400&amp;ssl=1" alt="Promotional graphic for a Parking Reform Network webinar titled 'Put It On A Map! Quantifying parking lot waste through GIS analysis' with Lars Doucet, Wednesday, April 22 at 12:00 pm PT." class="uag-image-9109" width="400" height="400" title="PutItOnAMap" role="img">
• XPath: [not obtained]
• Bounding box: x = 977, y = 726, width = 400, height = 400

About the sizes attribute invalid issue

• Why it matters: Item behaves improperly
• Priority: highest
• Related WCAG standard: 1.3.1

Diagnoses

Here is how tools diagnose the sizes attribute invalid issue for HTML element 538 of the Parking Reform Network page.

1. The sizes attribute value starting with auto is only valid for lazy-loaded images. Add loading=lazy to this element.

   Tool: Html Checker API (World Wide Web Consortium)