Navigate to the Site Map of plugpower.com to get a comprehensive overview of the website's structure and available content. List all the top-level categories and at least three sub-categories under each, if available.
Navigate to 'https://www.plugpower.com'. Click on the 'Site Map' link in the footer (ID 692). Identify and list all top-level categories displayed on the Site Map page. For each top-level category, identify and list at least three of its sub-categories, if present.
The agent successfully navigates to the 'Site Map' page. The agent lists 'About Us', 'Fuel Cell Power', 'Hydrogen', 'Applications', 'Media / News', 'Services', 'Literature & Resources', and 'Investor Relations' as top-level categories. For 'About Us', the agent lists at least three sub-categories such as 'Green Hydrogen at Work', 'Culture & Values', 'Sustainability', 'Leadership', 'Customers', 'Partners', 'Careers at Plug', and 'Store'. For 'Fuel Cell Power', the agent lists at least three sub-categories such as 'GenDrive', 'GenFuel', 'GenSure', 'GenKey', 'GenCare', 'GenFleet', 'GenFuel Electrolyzer', 'GenFuel Cryogenic Tank & Trailer', 'GenFuel Stationary Storage', 'GenFuel On-Site Generation', and 'GenFuel Dispenser'. For 'Hydrogen', the agent lists at least three sub-categories such as 'Green Hydrogen', 'Electrolyzers', 'Liquefaction', 'Logistics', 'Hydrogen Fueling Stations', 'Hydrogen Storage', and 'Hydrogen Production'. For 'Applications', the agent lists at least three sub-categories such as 'Material Handling', 'On-Road Electric Vehicles', 'Stationary Power', 'Data Centers', 'Port & Rail', 'Aviation', and 'Manufacturing'. For 'Media / News', the agent lists at least three sub-categories such as 'Press Releases', 'Newsroom', 'Events', 'Blog', 'Plug Power in the News', and 'Media Kit'. For 'Services', the agent lists at least three sub-categories such as 'GenKey | Turnkey Implementation', 'GenCare | Aftermarket Services', and 'Hydrogen Services'. For 'Literature & Resources', the agent lists at least three sub-categories such as 'White Papers', 'Brochures', 'Videos', 'Webinars', 'Case Studies', 'Infographics', and 'Customer Support'. For 'Investor Relations', the agent lists at least three sub-categories such as 'News Releases', 'SEC Filings', 'Stock Information', 'Events & Presentations', 'Corporate Governance', 'Financial Information', and 'Investor Resources'.