Mobile Font Legibility & Minimum Text Size Checker
Audit CSS body typography and paragraph sizes to prevent Google Search Console 'Text too small to read' mobile usability errors.
Configured
> 48px
16px Base
No Penalty
What is the Mobile Font Size Auditor?
The Mobile Font Size Auditor by CompleteSEOTools is an enterprise mobile usability and accelerated web optimization utility built to ensure full compliance with Google Mobile-First Indexing standards.
How to Use the Mobile Font Size Auditor (Step-by-Step)
Enter Configuration
Enter app names, image URLs, theme colors, or target webpage addresses.
Generate Code
Compile valid PWA manifests, responsive srcset markup, or viewport meta tags.
Deploy to Mobile
Deploy the tags into your website <head> or root server directory.
Google Mobile-First Indexing Guidelines
With mobile-first indexing, Google crawls and indexes pages using the smartphone Googlebot user agent. Ensure your mobile viewport is responsive, font sizes are legible without pinch-to-zoom, tap targets are separated by 8px padding, and intrusive full-page popups are eliminated.
Frequently Asked Questions (FAQs)
Base body copy should be at least 16px to ensure comfortable readability on small smartphone screens without zooming.