Large images slow websites. Proper resizing improves loading speed, user experience, and SEO rankings.
Why Image Size Matters for Web
Page Load Speed
Large images are the biggest factor in slow page loads.
SEO Rankings
Google considers page speed in rankings. Slow sites rank lower.
User Experience
Visitors leave slow-loading sites.
Bandwidth Costs
Larger files consume more bandwidth.
Recommended Web Image Sizes
| Use Case | Maximum Width | Notes |
|---|---|---|
| Full-width hero | 1920px | Match container width |
| Blog content | 800-1200px | Content column width |
| Thumbnails | 200-400px | Preview sizes |
| Product images | 600-1000px | Depends on display size |
How to Resize for Web
- Open Rune's Image Resizer.
- Upload your images.
- Set width to maximum needed (e.g., 1200px for blog).
- Lock aspect ratio for proportional height.
- Set DPI to 72 (web standard).
- Choose quality 70-85% for balance.
- Select WEBP format for best compression.
- Download and upload to website.
Web Settings
| Setting | Recommended |
|---|---|
| DPI | 72 (screen standard) |
| Quality | 70-85% |
| Format | WEBP (or JPG for compatibility) |
| Dimensions | Match display size |
Format Comparison for Web
- WEBP: Best compression, modern browsers
- JPG: Wide compatibility, good compression
- PNG: Only when transparency needed
Testing
After resizing:
- Check file sizes (aim for <200KB for most images)
- Test loading speed
- Verify quality is acceptable
Conclusion
Properly sized images are essential for web performance. Rune's Image Resizer provides the controls needed for web optimization.