Securing your GitHub Pages site with HTTPS - GitHub Docs

HTTPS adds a layer of encryption that prevents others from snooping on or tampering with traffic to your site. You can enforce HTTPS for your GitHub Pages site to transparently redirect all HTTP requests to HTTPS. GitHub Pages is available in public repositories with GitHub Free and GitHub Free for organizations, and in public and private repositories with GitHub Pro, GitHub Team, GitHub Enterpris

[nasustim]

mixed-contentを許さないのは分かるけど、aタグまでhttpsしかhrefしちゃだめってポートフォリオサイトだと難しいですね......。

[YassLab]

“HTTPS is not supported for GitHub Pages using custom domains.”

[raimon49]

2016-06-15より前に作られたページはマニュアル選択。