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Categories

What kinds of bots are out there?

Every one of the 1,181 crawlers we track falls into one of these categories. Learn what each type does, how many bots belong to it, and whether you should let them through.

CategoryBotsFlagged botsDescription
MO
Monitoring & Analytics
226
0
Uptime, performance, and analytics bots that check that sites are up and measure how they perform.
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AI
AI Assistant
142
0
Agents that browse pages and take actions on behalf of a user in real time, rather than crawling in bulk.
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SE
Search Engine Crawler
120
0
Discovery-and-indexing crawlers that feed web, image, news, and video search results.
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AC
Academic Research
113
0
Crawlers run by universities and research groups to study the web.
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SE
SEO
111
0
Backlink, rank-tracking, and site-audit crawlers run by marketing-tools vendors.
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FE
Feed Fetcher
73
0
Bots that poll RSS/Atom feeds and syndicated content on a schedule.
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SE
Security
60
0
Scanners that probe the web for vulnerabilities, exposed services, and threats.
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WE
Webhooks
57
0
Event-driven callbacks and notification fetchers from apps and platforms.
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AD
Advertising & Marketing
52
0
Crawlers used for ad verification, brand safety, and contextual targeting.
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PA
Page Preview
52
0
Link-preview fetchers that render a card when your URL is shared in chat or social apps.
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AI
AI Crawler
42
0
Bots that gather public web pages to build training data for large language models.
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AG
Aggregator
39
0
Bots that collect and republish content or metadata from across many sites.
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OT
Other
27
0
Bots that do not fit the main categories.
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AI
AI Search
17
2
Crawlers powering AI answer engines that index pages and cite them as sources in generated responses.
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VE
Verified Bot
16
0
Bots confirmed against an authoritative source such as Cloudflare’s verified-bot list.
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UN
Uncategorized
11
1
Bots that have not yet been categorised.
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AC
Accessibility
10
0
Bots that audit pages for accessibility and compliance issues.
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AR
Archiver
7
0
Bots that capture and preserve snapshots of web pages over time.
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SO
Social Media Marketing
4
0
Bots that support social-media scheduling, monitoring, and marketing tools.
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SE
Search Engine
2
0
Automated web clients grouped under this category.
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20 categories · 1,181 bots tracked