**Thought on how to deal with AI crawlers**

> How about using the "426 Upgrade Required" HTTP response code to signal our AI friend that the server requires a human? The Source Stream 426 Human Required 426 Human Required You are absolutely right. Published on September 24, 2026 Site Navigation Use dark theme Use light theme Current theme: Dark. Current theme: Light. Dark theme selected. Next: Light. Light theme selected. Next: Dark. EXEMPTIONS FOR AI AGENTS ARE...

**来源信息**
- **来源**：Hacker News：AI 热帖
- **分类**：ai-products
- **发布时间**：2026-09-26 14:48（北京时间）
- **原文**：[打开原文](https://copepod.dev/human-required)