AI crawler errors illustration for How to Fix 403 and 429 Errors Blocking AI Crawlers
Blogging and Book Writing

How to Fix 403 and 429 Errors Blocking AI Crawlers

Essential Concepts

AI crawler errors such as 403 Forbidden and 429 Too Many Requests often come from a firewall, hosting layer, WordPress security plugin, or rate limit. Check server logs and verify the crawler before changing access rules; see related guides to [Cloudflare bot protection](/cloudflare-bot-protection/) and [WordPress security settings](/wordpress-security-settings/).

Laptop displaying Bing Webmaster Tools’ AI Performance Report with analytics charts and performance metrics.
AI for Bloggers

How to Use Bing Webmaster Tools’ AI Performance Report

Bing Webmaster Tools’ AI Performance report shows which pages from your site are cited in Microsoft Copilot and other measured Bing AI experiences, along with the grounding queries linked to those citations. Learn how to interpret citation share and Topics Portfolio data as signals of AI visibility, not measures of traffic or revenue.

Essential Concepts

Citations show source use, not clicks or customers. [Related reading: Bing Webmaster Blog](https://blogs.bing.com/webmaster)