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Crawler Catalog

1,953 known bots, crawlers, and AI agents — with UA patterns, verification methods, and recommended access policies.

Not sure what "crawler" vs "scraper" vs "agent" means here? See our terminology guide →

The policy each agent gets before a site sets its own. Click a number to list those agents.

1,953 results

hgfAlphaXCrawl other
hgfAlphaXCrawl
observe
HIFIBot other

HIFI

HIFIBot
observe
Honeybadger Uptime Check ai coding agent

Honeybadger

Honeybadger
observe
honeybadgerbot monitoring

Honeybadger Industries

HoneybadgerBot
allow
HostTracker monitoring

HostTracker

HostTracker
allow
Hotjar monitoring

Hotjar

Hotjar
allow
HSTS preload bot other

Chromium

hstspreload-bot
observe
HTTP Banner Detection other
observe
HTTrack seo crawler
HTTrack
challenge
HTTrack 3.0 seo crawler
challenge
HubSeedsBot other
HubSeedsBot
observe
HubSpot ai assistant

HubSpot

HubSpot
observe
HubSpot Crawler other

HubSpot

HubSpot Connect 2.0 (http:
observe
HubSpot Feed Fetcher social media

HubSpot

HubSpot Feed Fetcher
allow
HubSpot Page Fetcher social media

HubSpot

HubSpot Page Fetcher
allow
HubSpot-FeedFetcher ai assistant

HubSpot

HubSpot-FeedFetcher
observe
Huckabuy Bot seo crawler

Huckabuy

Huckabot
challenge
humanlinks other
humanlinks
observe
Hype Machine search engine

Hype Machine

Hype
allow
hypestat seo crawler

HypeStat

hypestat
challenge
HyScore other
HyScore
observe
hyscore.io other
hyscore.io
observe
ia_archiver archiver

Internet Archive

ia_archiver
allow
ia_archiver-web.archive.org archiver

Internet Archive

ia_archiver-web.archive.org
allow
IABot archiver

Wikimedia Foundation

IABot
allow
IAS crawler seo crawler

Integral Ad Science

IAS
challenge
ias-ie ai assistant

Integral Ad Science

ias-ie
observe
ias-va other
ias-va
observe
iAskBot ai agent

iAsk

iAskBot
observe
iaskspider ai agent

Ai Search

iaskspider
observe
IbouBot search engine

Babbar

IbouBot
allow
ICBot other
ICBot
observe
ICC Crawler ai crawler

NICT

observe
ICC-Crawler ai scraper

NICT

ICC-Crawler
observe
ichiro other
ichiro
observe
Idealo seo crawler

Idealo internet GmbH

idealo-bot
challenge
IDG/IT ai assistant

SpazioDati

IDG/IT
observe
Iframely social media

Iframely

Iframely
allow
IFTTT ai assistant

IFTTT

IFTTT
observe
IFTTT RSS Feed Service social media

IFTTT RSS Feed Servuce

IFTTT
allow
ImagesiftBot ai assistant

Hive

ImagesiftBot
observe
imageSpider ai scraper

ByteDance

imageSpider
observe
iMessage ai assistant

Apple

iMessage
observe
IMJ-CompanyPage-Scraper other
IMJ-CompanyPage-Scraper
observe
Impact.com Agent other
Impact.com
observe
imrbot other
imrbot
observe
IndeedBot other
IndeedBot
observe
IndeedJobBot seo crawler

Indeed

IndeedJobBot
challenge
INETDEX-Bot other
INETDEX-Bot
observe
InfoNaviRobot other
InfoNaviRobot
observe
infoobot other
infoobot
observe
infoseek other
infoseek
observe
Infrawatch security

Infrawatch

Infrawatch
allow
Innguma ai assistant

Innguma

Innguma
observe
Innguma Fetcher social media

Innguma

Innguma Fetcher
allow
Innologica social media

Innologica

inoreader.com
allow
Inoreader ai assistant

Inoreader

Inoreader
observe
inoreader.com ai assistant

Innologica

inoreader.com
observe
Instapaper other

Instant Paper

Instapaper
observe
Instaparser ai assistant

Instapaper

Instaparser
observe
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