Ykbuilder — V5.3

| Feature | Cyotek WebCopy 1.9 | SiteSucker 5.x | | |---------|--------------------|----------------|---------------------| | JS Rendering | No | Limited (macOS) | Full (Chromium) | | Proxy Manager | Basic | No | Advanced + Auto-rotation | | CLI Support | No | No | Yes | | Price | Free | $9.99 | $49 (one-time) / Trial | | Learning Curve | Low | Low | Moderate |

“Headless Chromium failed to launch” Solution: Install the standalone Chromium package or run ykbuilder --install-browser from CLI. ykbuilder v5.3

| Metric | YKBuilder 5.2 | HTTrack 3.49 | | |--------|---------------|--------------|---------------------| | Total Time | 22 min | 31 min | 14 min | | RAM Peak | 1.8 GB | 900 MB | 1.1 GB | | Failed Requests | 143 | 287 | 21 | | JS Execution | No | No | Yes | | Proxy Rotation | Manual | No | Auto | | Feature | Cyotek WebCopy 1

Proxy rotates but all requests fail Solution: Go to Proxy Manager > Test All. YKBuilder v5.3 marks dead proxies and can auto-remove them. Ensure your proxies support CONNECT method. Ensure your proxies support CONNECT method