fetch_url_metadata
Fetch URL metadata
Fetch a web page and return its metadata as JSON: title, description, canonical URL, favicon, Open Graph tags (og:title, og:image, ...), Twitter card tags, author/keywords/robots/theme-color, word count, HTTP status, response time, and detected tech stack (Next.js, WordPress, Shopify, Vercel, Cloudflare, ...). Costs 1 credit per successful fetch.
url必填api_key