Quick Reference
Element Code: HT-028
Issue: headers attribute references invalid IDs
Impact: Broken table accessibility
Fix: Fix header references
Detection: axe DevTools
What Is This Issue?
Headers must reference valid th IDs.
Why This Matters
Invalid refs break navigation.
How to Fix
- Fix header IDs
Tools
- axe DevTools: Table validation
TL;DR
Make headers attributes reference actual th element IDs.
Claude Vincent is a technical SEO consultant focused on crawlability, rendering, and AI-search visibility. He writes the field guides and case studies at SEO ProCheck, with a bias toward the durable, unglamorous work that decides whether search engines and AI answer engines can actually read and cite a site.
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