Start the multi-threaded verification process to weed out dead connections.
These tools are ideal for heavy users who need to scrape, test, and manage large lists of public proxies locally. www.inetsolutions.org GSA Proxy Scraper
Filters by country, port, and anonymity level (Elite, Anonymous, Transparent).
A top checker must use multithreading. Below is an optimized version using concurrent.futures .
Filters HTTP, HTTPS, SOCKS4, and SOCKS5 proxy types.