Quick Reference
Element Code: HT-023
Issue: Content wider than viewport
Impact: Horizontal scroll
Fix: Fix CSS widths
Detection: Mobile-Friendly Test
What Is This Issue?
Content must fit viewport.
Why This Matters
Horizontal scroll is major UX fail.
How to Fix
- Use max-width: 100%
Tools
- Mobile test: Check sizing
TL;DR
Make all content fit viewport width. Use max-width: 100%.
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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