Developer Builds Async FastAPI Microservice for Web Tech Stack and SEO Analysis
A developer has built and deployed a lightweight FastAPI microservice called B2B Web Intelligence & SEO Lead Engine, designed to analyze websites in under one second without relying on headless browsers or costly enterprise APIs. The service uses Python 3.12, HTTPX, and BeautifulSoup4 to asynchronously extract data including CMS and frontend framework detection, SEO metadata, and B2B contact information from public web pages. It also checks SSL certificate validity, HTTP security headers, and measures response latency. The tool is live on Render with interactive OpenAPI documentation and is listed on RapidAPI with a free tier offering 50 requests per month. The developer is actively improving tech-detection accuracy and is seeking community feedback on additional data points such as DNS records and sitemap parsing.
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