Create a Python Script That Detects Website Technology Stack Automatically

import requests
from re import search

def detect_tech_stack(url):
    tech_stack = []
    try:
        response = requests.get(url, timeout=5, headers={'User-Agent': 'Mozilla/5.0'})
        headers = response.headers
        html = response.text.lower() if response.text else ''

        # Check server header
        server = headers.get('Server', '')
        if server:
            tech_stack.append(server)

        # Detect WordPress
        if 'wp-content' in html or '/wp-json/' in html or 'wordpress' in html:
            tech_stack.append('WordPress')

        # Detect jQuery
        if 'jquery' in html:
            tech_stack.append('jQuery')

        # Detect React
        if '__react' in html or 'react' in html:
            tech_stack.append('React')

        # Detect PHP
        if 'php' in server.lower() or '.php' in html:
            tech_stack.append('PHP')

        # Detect Express
        if 'x-powered-by' in headers.get('X-Powered-By', '').lower() and 'express' in headers.get('X-Powered-By', '').lower():
            tech_stack.append('Express')

        # Detect Django/Python
        if 'django' in html or 'csrfmiddlewaretoken' in html:
            tech_stack.append('Django')
        elif search(r'python|flask|django', server.lower()):
            tech_stack.append('Python')

        # Detect nginx or Apache
        if 'nginx' in server.lower():
            tech_stack.append('nginx')
        elif 'apache' in server.lower():
            tech_stack.append('Apache')

        # Detect Cloudflare
        if 'cloudflare' in headers.get('CF-Ray', '') or 'cloudflare' in server.lower():
            tech_stack.append('Cloudflare')

        return list(set(tech_stack)) if tech_stack else ['Unknown']
    except requests.RequestException as e:
        return [f'Error: {e}']

if __name__ == '__main__':
    url = 'https://example.com'
    print(detect_tech_stack(url))