Free Tool

Web Crawler Simulator

Test how 20+ search engine and AI crawlers see your website. Verify robots.txt rules, check content visibility, and optimize for better indexing.

Test any crawler

Select a crawler and enter your URL to see what the bot sees.

AI Assistants & LLMs

Crawlers used by AI chatbots and large language models to fetch web content for answers and training.

ChatGPT Fetch
ChatGPT Fetch

User agent used by ChatGPT to fetch pages for AI answers and...

Claude Fetch
Claude Fetch

User agent used by Claude web to fetch pages for AI answers ...

Grok Search
Grok Search

User agent used by Grok to fetch pages for AI answers and pr...

PerplexityBot
PerplexityBot

Perplexity's crawler user agent used to answer questions and...

CohereAI
CohereAI

Cohere's primary crawler user agent in their AI services/too...

AI2Bot
AI2Bot

Allen Institute's AI2Bot crawler, used for research corpora ...

Search Engines

Traditional search engine crawlers that index your content for search results.

Googlebot
Googlebot

Primary user agent used by Google's indexing bot, Gemini, AI...

Bingbot
Bingbot

User agent used by Bing's indexing bot, Microsoft Copilot an...

DuckDuckBot
DuckDuckBot

DuckDuckGo's primary indexing bot user agent....

Bravebot
Bravebot

Brave's primary crawler user agent for their search engine....

YandexBot
YandexBot

Yandex's primary indexing bot user agent....

YouBot
YouBot

You.com's bot used for search and preview generation, fetchi...

Social Media

Crawlers that fetch Open Graph data for link previews on social platforms.

Facebook Crawler
Facebook Crawler

Fetches pages to render Open Graph previews on Facebook, Ins...

LinkedInBot
LinkedInBot

Fetches pages to render Open Graph previews on LinkedIn....

Bytespider
Bytespider

ByteDance's web crawler for AI model training and content di...

Voice Assistants & Enterprise

Crawlers for voice search, smart speakers, and enterprise applications.

Applebot
Applebot

Apple's crawler used for Siri and Spotlight suggestions....

Amazonbot
Amazonbot

Amazon's crawler used for product and content discovery....

Diffbot
Diffbot

Diffbot's primary crawler user agent, used for web scraping ...

Data & Research

Crawlers used for web archiving, research datasets, and AI training corpora.

CCBot
CCBot

Open web-scale archive crawler used to build public datasets...

Omgili
Omgili

Aggregated discussion indexer bot....

TimpiBot
TimpiBot

Independent web indexer bot....

All Supported Crawler User Agents

CrawlerSimulate
ChatGPT FetchChatGPT Fetch
Test
Claude FetchClaude Fetch
Test
Grok SearchGrok Search
Test
PerplexityBotPerplexityBot
Test
GooglebotGooglebot
Test
BingbotBingbot
Test
iMessageiMessage
Test
Facebook CrawlerFacebook Crawler
Test
LinkedInBotLinkedInBot
Test
AmazonbotAmazonbot
Test
ApplebotApplebot
Test
BytespiderBytespider
Test
DuckDuckBotDuckDuckBot
Test
CohereAICohereAI
Test
AI2BotAI2Bot
Test
CCBotCCBot
Test
DiffbotDiffbot
Test
OmgiliOmgili
Test
TimpiBotTimpiBot
Test
YouBotYouBot
Test
BravebotBravebot
Test
YandexBotYandexBot
Test
TwitterbotTwitterbot
Test
DiscordbotDiscordbot
Test
SlackbotSlackbot
Test
TelegramBotTelegramBot
Test
PinterestPinterest
Test
SnapchatSnapchat
Test
RedditbotRedditbot
Test
TumblrTumblr
Test
MastodonMastodon
Test
ViberViber
Test
LINELINE
Test
WhatsAppWhatsApp
Test
SkypeSkype
Test
Microsoft TeamsMicrosoft Teams
Test
ZoomZoom
Test
NotionNotion
Test
QuoraQuora
Test
MediumMedium
Test
PocketPocket
Test
FlipboardFlipboard
Test
EmbedlyEmbedly
Test
BaiduspiderBaiduspider
Test
SogouSogou
Test
NaverNaver
Test
SeznamBotSeznamBot
Test
QwantifyQwantify
Test
EcosiaEcosia
Test
MojeekBotMojeekBot
Test
Mail.ruMail.ru
Test
SemrushBotSemrushBot
Test
AhrefsBotAhrefsBot
Test
DotBotDotBot
Test
MJ12botMJ12bot
Test
Screaming FrogScreaming Frog
Test
SISTRIXSISTRIX
Test
SEOkicksSEOkicks
Test
SerpstatbotSerpstatbot
Test
LovableHTML - SEO Audit BotLovableHTML - SEO Audit Bot
Test

Crawler Simulator FAQ

Make Your Site Crawler-Friendly

JavaScript websites often have indexing issues. LovableHTML pre-renders your SPA into crawler-friendly HTML so all bots can read your content.

Live Demo