When i search the python project for improve myself, i thought about what i have done my last project. we were checking with manually which wesite is up, which one is down. And I found some project sample and revised them.
source: https://codereview.stackexchange.com/questions/200159/a-website-status-monitor-in-python-flask source: https://flask.palletsprojects.com/en/2.0.x/