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IA

IAS crawler

GoodBotVerifiedBOT

Integral Ad Science (IAS) is the global market leader in digital ad verification, offering technologies that drive high-quality advertising media. Operated by Integral Ad Science.

GoodBot
Assessment
Advertising & Marketing
Category
BOT
Kind
1
Data sources
AI-generated summary, drawn from Cloudflare, operator docs, and community data

What is IAS crawler?

IAS crawler is a web crawler operated by Integral Ad Science. Integral Ad Science (IAS) is the global market leader in digital ad verification, offering technologies that drive high-quality advertising media.

Helpful — Verified, safe crawler. Respects robots.txt and provides operator documentation.

Identification

Bot name
IAS crawler
Operator
Integral Ad Science
Category
Advertising & Marketing
Kind
BOT
Verification
Verified bot
Cloudflare slug
ias-crawler
User-agent patterns
ias_crawler
User-agent string
IAS crawler (ias_crawler; http://integralads.com/site-indexing-policy/)
Main use cases
Web crawlingData collection

Why it crawls your site

IAS crawler crawls websites to collect data for advertising and marketing purposes. It is operated by Integral Ad Science as part of their advertising infrastructure. If you see this bot in your server logs, it is a verified crawler and generally safe.

Block or allow IAS crawler

Block it

Add a Disallow rule for ias_crawler in your robots.txt file. You can also block at the server level using your web server configuration or CDN firewall rules to filter requests matching the user-agent string.

# Block IAS crawler from crawling your entire site
User-agent: ias_crawler
Disallow: /

# Allow IAS crawler full access
User-agent: ias_crawler
Allow: /
Allow & verify

Ensure your robots.txt allows ias_crawler. Verify requests are genuine by checking the user-agent string and referring to Integral Ad Science's documentation.

Traffic & trends

Cloudflare Radar traffic

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Google Trends interest

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Data sources

This profile is compiled from the following sources.

CloudflareRadar
Last updated July 26, 2026