: A leading provider that scrapes thousands of open proxies and checks them every minute to ensure freshness. Users can download lists in TXT, CSV, or JSON formats.

def check_proxy(proxy): try: start = time.time() response = requests.get('https://httpbin.org/ip', proxies='http': proxy, 'https': proxy, timeout=5) latency = time.time() - start if response.status_code == 200: return 'proxy': proxy, 'latency': latency, 'status': 'Alive' except: return None