Skip to main content
Updated daily

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

SemrushBot-BM other
SemrushBot-BM
observe
SemrushBot-CT seo crawler

Semrush

SemrushBot-CT
challenge
SemrushBot-OCOB ai crawler

Semrush

SemrushBot-OCOB
observe
SemrushBot-SA seo crawler

Semrush

SemrushBot-SA
challenge
SemrushBot-SI seo crawler

Semrush

SemrushBot-SI
challenge
SemrushBot-SWA ai coding agent

Semrush

SemrushBot-SWA
observe
SemrushBotBacklinkAudit seo crawler

Semrush

SemrushBot-BA
challenge
SemrushBotBacklinks seo crawler

Semrush

SemrushBotBacklinks
challenge
SemrushBotLinkBuilding seo crawler

Semrush

challenge
SemrushBotSI seo crawler

Semrush

SemrushBot-SI
challenge
SemrushBotSwa ai crawler

Semrush

SemrushBot-SWA
observe
SendGrid other

SendGrid

allow
SentiBot ai assistant

SentiOne

SentiBot
observe
Sentry security

Sentry

https://sentry.io
allow
Sentry Uptime Monitoring monitoring

Sentry Uptime Bot

Sentry
allow
SentryUptimeBot ai coding agent

Sentry

SentryUptimeBot
observe
Senutobot seo crawler

Senuto

Senutobot
challenge
SEO Audit Check Bot seo crawler

SEO Audit Check

seo-audit-check-bot
challenge
seo4ajax seo crawler

Capsule Code

seo4ajax
challenge
seo4ajax.com seo crawler

Capsule Code

seo4ajax.com
challenge
SeobilityBot seo crawler

Seobility

SeobilityBot
challenge
SeoCherryBot other
SeoCherryBot
observe
SEOkicks seo crawler

SEOkicks

SEOkicks
challenge
SEOkicks-Robot other
SEOkicks-Robot
observe
SEOlizer seo crawler

SEOLizer

SEOlizer
challenge
SeoLyt other
SeoLyt
observe
seoscanners other
seoscanners
observe
seostar.co other
seostar.co
observe
SEOstats other
SEOstats
observe
SequelWP monitoring

SequelWP

SequelWP
allow
SequelWP Uptime Monitoring Bot ai coding agent

Nexigen Digital

observe
SERankingBacklinksBot seo crawler

SE Ranking

SERankingBacklinksBot
challenge
serendeputybot ai assistant

Serendeputy

serendeputybot
observe
SerpMinerBot seo crawler

Serp Miner

SerpMinerBot
challenge
SerpstatBot seo crawler

Serpstat

serpstatbot
challenge
serpstatbot seo crawler

Serpstat

serpstatbot
challenge
Server Density monitoring

Stackpath

Server
allow
Server Density Service Monitoring ai coding agent

StackPath

observe
ServerHunterSpider other

Server Hunter

ServerHunterSpider
observe
Seznam search engine

Seznam

Android(10);cz.seznam.sbrowser;12.6.0
allow
SeznamBot search engine

Seznam

SeznamBot
allow
SFDC-Callout ai assistant

Salseforce

SFDC-Callout
observe
Shap-User ai assistant

Parallel

Shap-User
observe
ShapBot ai crawler

Parallel

ShapBot
observe
ShellBot other
ShellBot
observe
Shopify-Captain-Hook other

Shopify

Shopify-Captain-Hook
allow
ShortPixel ai assistant

ShortPixel

ShortPixel
observe
Shortwave Image Fetcher social media

Shortwave Communications Inc.

Shortwave
allow
Sidetrade indexer bot other
Sidetrade
observe
Silktide ai coding agent

Silktide

Silktide
observe
SilktideBot other

Silktide

SilktideBot
allow
Silvestro ai assistant

Silverstream AI

silvestro
observe signed
SimpleAsyncPageCrawler other
SimpleAsyncPageCrawler
observe
simplecrawler other
simplecrawler
observe
SimplePie ai assistant

SimplePie

SimplePie
observe
SimpleScraper other
SimpleScraper
observe
Sindup other
Sindup
observe
SirdataBot other

Sirdata

SirdataBot
observe
sistrix crawler other
sistrix
observe
SISTRIX Optimizer monitoring

SISTRIX GmbH

allow
← Prev 25 / 33 Next →