lovablehtml logo - turn your SPA into a crawler-friendly websiteBLOGAPI PLATFORMPRICING
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.

All Supported Crawler User Agents

CrawlerUser-AgentPurposeSimulate
ChatGPT FetchChatGPT Fetch
Mozilla/5.0 (compatible; ChatGPT-User/1....User agent used by ChatGPT to fetch pages for AI a...Test
Claude FetchClaude Fetch
Claude-Web/1.0...User agent used by Claude web to fetch pages for A...Test
Grok SearchGrok Search
Grok-Search/1.0...User agent used by Grok to fetch pages for AI answ...Test
PerplexityBotPerplexityBot
PerplexityBot/1.0 (https://www.perplexit...Perplexity's crawler user agent used to answer que...Test
GooglebotGooglebot
Mozilla/5.0 (compatible; Googlebot/2.1; ...Primary user agent used by Google's indexing bot, ...Test
BingbotBingbot
Mozilla/5.0 (compatible; bingbot/2.0; +h...User agent used by Bing's indexing bot, Microsoft ...Test
Facebook CrawlerFacebook Crawler
facebookexternalhit/1.1 (+http://www.fac...Fetches pages to render Open Graph previews on Fac...Test
LinkedInBotLinkedInBot
LinkedInBot/1.0 (+http://www.linkedin.co...Fetches pages to render Open Graph previews on Lin...Test
AmazonbotAmazonbot
Amazonbot/1.0 (+https://developer.amazon...Amazon's crawler used for product and content disc...Test
ApplebotApplebot
Mozilla/5.0 (compatible; Applebot/0.1; +...Apple's crawler used for Siri and Spotlight sugges...Test
BytespiderBytespider
Bytespider; (+http://www.bytedance.com/s...ByteDance's web crawler for AI model training and ...Test
DuckDuckBotDuckDuckBot
DuckDuckBot/1.0; (+http://duckduckgo.com...DuckDuckGo's primary indexing bot user agent....Test
CohereAICohereAI
CohereAI/1.0...Cohere's primary crawler user agent in their AI se...Test
AI2BotAI2Bot
AI2Bot/1.0 (+http://www.allenai.org)...Allen Institute's AI2Bot crawler, used for researc...Test
CCBotCCBot
CCBot/2.0 (+https://commoncrawl.org/faq/...Open web-scale archive crawler used to build publi...Test
DiffbotDiffbot
Diffbot/1.0 (+http://www.diffbot.com)...Diffbot's primary crawler user agent, used for web...Test
OmgiliOmgili
omgili...Aggregated discussion indexer bot....Test
TimpiBotTimpiBot
TimpiBot/1.0...Independent web indexer bot....Test
YouBotYouBot
YouBot/1.0 (+https://you.com/bot)...You.com's bot used for search and preview generati...Test
BravebotBravebot
Bravebot/1.0...Brave's primary crawler user agent for their searc...Test
YandexBotYandexBot
Mozilla/5.0 (compatible; YandexBot/3.0; ...Yandex's primary indexing bot user agent....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
Avatar
How can we help?
Get instant answers to your questions or leave a message for an engineer will reach out
Ask AI about LovableHTML
See our docs
Leave a message
Leave a message
We'll get back to you soon
Avatar
Ask AI about LovableHTML
Team is also here to help
Thinking
Preview
Powered by ReplyMaven
Avatar
Aki
Hi, how can we help?