- urlopen
 - Headers
 - User-Agent
 - HTMLParser and urllib
 - The requests module and the whois.domaintools.com service
 - We use the following method:
 
import requests
proxies = { "http": "http://<ip_address>:port"}
requests.get("http://example.org", proxies=proxies)
- Its main purpose is to identify the user by storing their activity history on a specific website so that they can offer the most appropriate content according to their habits
 - HTTPCookieProcessor
 - request.cookies.RequestsCookieJar
 - Digest-based access authentication