← Back to Help CentreUpdated Jan 2026
Performance & Troubleshooting
Optimize images for faster loading
Reduce file sizes without hurting quality.
5 min read
Quick answer
Reduce file sizes without hurting quality.
- Slow sites are usually caused by large images, heavy scripts, or missing caching.
- Start with quick wins: compress images and enable LiteSpeed Cache.
- Core Web Vitals influence both rankings and conversions.
Key details
Images are often the largest files on a page.
Use modern formats like WebP and keep file sizes under 300KB where possible.
Compression tools can reduce file size by 50% or more.
Helpful tips
- Resize images before uploading to WordPress or Sitejet.
Quick checklist
- Run a speed test
- Optimize images and scripts
- Clear cache after updates
- Disable heavy or unused plugins
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