Quick Reference
Element Code: PE-002
Issue: Total page size is too large, slowing load times
Impact: Slow loading, high data usage, poor mobile experience
Fix: Reduce total transfer size through optimization and lazy loading
Detection: Lighthouse, PageSpeed Insights, Chrome DevTools Network tab
What Is This Issue?
When your page requires downloading too much data (typically over 1.5MB), it loads slowly, especially on mobile networks. Large payloads increase Time to Interactive and consume user data plans.
Common Causes
- Unoptimized images (largest culprit)
- Large JavaScript bundles
- Embedded videos that auto-load
- Web fonts with unnecessary character sets
- Uncompressed assets
How to Fix This Issue
- Optimize Images: Compress and use modern formats (WebP, AVIF)
- Lazy Load: Load images and videos only when needed
- Code Split: Break JavaScript into smaller chunks
- Enable Compression: Use gzip or Brotli for text assets
- Remove Unused Code: Eliminate dead CSS and JavaScript
Size Recommendations
| Total Page Size | Assessment |
|---|---|
| Under 1MB | Good |
| 1-2MB | Acceptable for content-heavy pages |
| Over 2MB | Too large, needs optimization |
TL;DR (The Simple Version)
Your page is too big and takes too long to download. The main fixes: compress your images, lazy load stuff below the fold, and remove code you're not using. Aim for under 1.5MB total.
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