Hi! So basically, for a polling site, you can use replit-db as your database, flask as your backend, and of course, HTML for your frontend. Here are some links:

Repl.it DB

This awesome client is created by @Codemonkey51. Be sure to have explorer mode turned on here.
https://pypi.org/project/replitdb/

Flask

https://www.tutorialspoint.com/flask/index.htm
https://flask.palletsprojects.com/en/1.1.x/tutorial/
https://www.javatpoint.com/flask-tutorial
https://realpython.com/tutorials/flask/
https://pythonbasics.org/flask-tutorial-hello-world/

Flask REST api (for making the forms!)

https://pythonbasics.org/flask-rest-api/

HTML

https://www.w3schools.com/html/
https://www.tutorialspoint.com/html/index.htm
https://html.com/
https://www.learn-html.org/

Hopes this helps!

Here check these out:

https://www.w3schools.com/php/php_ajax_poll.asp

https://www.opinionstage.com/blog/html-poll/

https://css-tricks.com/how-to-design-and-create-a-php-powered-poll/

https://www.powr.io/tutorials/how-to-add-poll-plugin-to-your-html-site

https://eeharbor.com/polls/documentation/default_poll_html

Happy coding! =)