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What is CriteoBot?

Direct Answer: CriteoBot is a web crawler operated by Criteo for serving relevant ads.

Operator: Criteo Type: Advertising Bot Purpose: Ad content analysis and targeting

Criteo Crawler, also known as CriteoBot, is a software that visits web pages and analyzes its content to serve relevant ads on them. It is operated by Criteo, a company specializing in advertising. The bot's primary function is to gather information for ad targeting.

User-Agent Identification

The following user-agent strings identify CriteoBot in your live traffic data:

  • CriteoBot/0.1 (+https://www.criteo.com/criteo-crawler/)

robots.txt Rules for CriteoBot

Respects robots.txt: No

This bot does not commit to following robots.txt

CriteoBot does not officially follow robots.txt directives. The only reliable way to control access is through server-side blocking (IP filtering, user-agent rules in your web server config) combined with log monitoring to verify effectiveness.

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Crawl Behavior

Frequency:Not Documented

Request Pattern:Not Documented

Official Documentation Quotes

"Criteo Crawler is a software that visits web pages and analyzes its content to serve relevant ads on them."

Crawl Activity Index

Relative crawl activity for CriteoBot over the past 28 days. Higher values indicate increased crawling intensity compared to the period baseline.

View recent activity data (last 7 days)
Date Activity Index
Mar 28, 2026 72.0
Mar 29, 2026 77.6
Mar 30, 2026 75.5
Mar 31, 2026 77.6
Apr 1, 2026 72.3
Apr 2, 2026 73.1
Apr 3, 2026 80.0

Source: Cloudflare Radar

Why track CriteoBot traffic?

Verify ad system crawling behavior. CriteoBot evaluates your pages for ad targeting, quality scoring, and policy compliance.

Optimize ad delivery. If CriteoBot can't properly access certain pages, ad targeting and revenue may be impacted. Log monitoring confirms accessibility.

Log Verification

To verify CriteoBot traffic in your live traffic data:

  1. Search access logs for the user-agent strings listed above
  2. Check if the IP addresses match documented ranges (if provided by Criteo)
  3. Verify the crawl pattern matches documented behavior
  4. Use reverse DNS lookup for additional verification if available

Note: Observed behavior in production environments may differ from official documentation. Live traffic monitoring provides the only reliable verification of actual bot behavior.

Undocumented Information

The following information is not officially documented for CriteoBot:

  • crawl frequency
  • request pattern
  • IP verification method
  • JavaScript rendering details

Official Documentation

View Official CriteoBot Documentation →

Information sourced from official documentation. Content generated with AI assistance.