WordPress: Fix 500 Error, White Screen, and Slow Website (Quick Guide) Print

Summary

These are the most common WordPress failures and quick fixes.

Fix 500 / White Screen

1. Rename plugins folder:

   • wp-content/plugins → plugins_old

2. Switch theme to default (if possible)

3. Increase PHP memory limit

4. Check error logs (cPanel → Errors)

Update PHP Version

1. cPanel → MultiPHP Manager

2. Select domain

3. Choose recommended PHP version (e.g., 8.1/8.2)

4. Save

Speed Improvements

• Enable caching plugin

• Optimize images (WebP)

• Use CDN (if needed)

• Keep plugins minimal