How long does it take for GitHub page to show changes after changing index.html

Question

I am just wondering how long does it take for GitHub page to show the new items that I have added to the repository.

I changed index.html but after 10 m

Answer 1

Github pages are cached with CDN. As explained by JoelGlovier in comments, you can still have the latest version of your pages by appending a version in the query string such as https://username.github.io/awesome-repo/?version=f36af92 so that you won't get a cached version of your page.