Bing Ads Traffic Quality and Crawler Diagnostics

Understand automated destination checks

Microsoft Advertising may use automated systems to fetch and evaluate landing pages. Those requests can look different from normal browser sessions, so generic bot controls sometimes introduce a challenge or error.

A crawler name is only a claim until verified. Use current Microsoft documentation, DNS or network ownership evidence, and your own request logs before creating an exception.

• Check whether the response changed at the CDN, WAF or origin.
• Compare status, redirects and rendered content, not just HTML size.
• Confirm the campaign URL remains available without prior cookies.
• Keep regional restrictions explicit and consistently enforced.

Diagnose AdIdxBot observations safely

If logs contain an AdIdxBot user-agent, correlate it with timestamp, source network, requested assets and the final response. Do not use the label to hide or swap the advertised content.

For a deeper crawler reference, use the linked AdIdxBot guide and validate any identifying detail against current first-party documentation.

Bot recognition should support availability and security analysis. It should never become a mechanism for deceiving an advertising review.

Resolve destination quality issues

Make the smallest documented change that restores a consistent landing-page experience. Then verify it from a fresh browser, a representative region and the production campaign URL.

• Remove accidental firewall challenges and redirect loops.
• Stabilize mobile layout and above-the-fold content.
• Align the ad promise, headline, offer and business identity.
• Retain evidence for appeal and post-release monitoring.