Kilotest: Diagnoses of speculation rules script element invalid
violation by HTML element 0 on Next Generation Playground page
Basics
About the Next Generation Playground page
- URL: https://www.playnextgeneration.com/
- Tested 14 days ago by job
cg9on 2026-05-18 at 15:01
About HTML element 0
- Tag name:
HTML - Text: [not applicable]
- Start tag:
<html lang="en" style="scroll-padding-top: 151px;"> - XPath:
/html - Bounding box: x = 0, y = 0, width = 1920, height = 1080
About the speculation rules script element invalid
issue
- Why it matters: Document navigation performs poorly
- Priority: lowest
- Related WCAG standard: 1.3.1
Diagnoses
Here is how tools diagnose the speculation rules script element invalid
issue for HTML element 0 of the Next Generation Playground page.
- Each rule in the prefetch array must only contain the properties source, urls, where, and eagerness.
Tool: Html Checker API (World Wide Web Consortium)