# pip install -U requests
import requests
url = 'https://www.allonpage.com/'
r = requests.get(url)
print(r.headers)
'''
run:
{'Alt-Svc': 'quic=":111"; ma=1000000; v="11,11,11"', 'Connection': 'close',
'X-Powered-By': 'PHP/5.4.45', 'Server': 'LiteSpeed', 'Link': '<https://www.allonpage.com>;
...
'''