Mobile SEO Guide
Core Web Vitals Thresholds
LCP
Largest Contentful Paint
โค 2.5s โ
2.5โ4s โ
> 4s โ
INP
Interaction to Next Paint
โค 200ms โ
200โ500ms โ
> 500ms โ
CLS
Cumulative Layout Shift
โค 0.1 โ
0.1โ0.25 โ
> 0.25 โ
Mobile-First Indexing Checklist
| Requirement | How to Verify |
|---|---|
| Responsive design (same URL for all devices) | Resize browser window |
| Viewport meta tag set correctly | <meta name="viewport" content="width=device-width,initial-scale=1"> |
| Same content on mobile and desktop | Google Search Console mobile test |
| Touch targets โฅ 48ร48px | Chrome DevTools |
| Font size โฅ 16px base | Inspect CSS |
| No intrusive interstitials | Manual mobile check |
| Structured data on mobile version | Rich Results Test tool |
Page Speed Quick Wins
- โ Enable text compression (Gzip/Brotli)
- โ Set proper Cache-Control headers
- โ Preload critical fonts and LCP image
- โ Defer non-critical JavaScript
- โ Serve images in WebP/AVIF format
- โ Use a CDN for static assets