Old Broken Website Keeps Showing Up

[QuintinN]

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I have a repository for my personal website. Every change i make, it shows the same broken old web page and I don't know why. I need help from the internal service team https://github.com/QuintinN/quintinn.github.io.
Things I have tried:

• Deleting the repository and any repository associated
• Clearing my internet browser cache
• Built on gh-pages branch and master branch
• I'm considering just deleting my account and creating a new account to host the webpage

[peterroth]

Did you follow the below guide to set the branch you want to build your site from?
https://docs.github.com/en/pages/getting-started-with-github-pages/configuring-a-publishing-source-for-your-github-pages-site#publishing-from-a-branch