301 redirect for site hosted at github?

Here's a Github repository of mine: https://github.com/n1k0/casperjs

There's a gh-pages branch to hold the project documentation, which is basically the project website: https://github.com/n1k0/casperjs/tree/gh-pages

This branch setups the documentation site at http://n1k0.github.com/casperjs/ — hurray.

In the meanwhile, I've bough the casperjs.org domain to get this website available through it, so I put a CNAME file as recommended in the docs: https://github.com/n1k0/casperjs/blob/gh-pages/CNAME — in their example, the operation is supposed to create redirects from www.example.com and charlie.github.com to example.com…

While the website now points to http://casperjs.org/, there's no 301 redirect from http://n1k0.github.com/casperjs/ (the old site url) to the new domain name.

Any idea how to setup such a redirect, if it's even possible? Is it a bug? If it is, where should I open an issue?

Perry

Bringing this topic back from the dead to mention that GH now supports redirect-from's redirect-to parameter https://github.com/jekyll/jekyll-redirect-from#redirect-to

Simply add this to your _config.yml

gems:
  - jekyll-redirect-from

And this to the top of your index page.

---
redirect_to: "http://example.com"
---

To avoid the duplicate content, in a first time you can add a meta canonical like this:

<link rel="canonical" href="http://casperjs.org">

GromNaN

You can redirect using Javascript after host detection, like this:

if (window.location.href.indexOf('http://niko.github.com') === 0) {
    window.location.href = 'http://casperjs.org{{ page.url }}';
}

But I agree, it's not an HTTP redirection.

Why didn't you use http://www.w3.org/TR/WCAG20-TECHS/H76.html?

That would give

<meta http-equiv="refresh" content="0;URL='http://casperjs.org/'" />

Github pages don't support anything like .htaccess or nginx/conf

https://help.github.com/articles/redirects-on-github-pages/

so easiest way is:

HTML redirect:

index.html

<html>
  <head>
    <meta http-equiv="refresh" content="0; url=http://www.mywebsite.com/" />
  </head>

  <body>
    <p><a href="http://www.mywebsite.com/">Redirect</a></p>
  </body>
</html>

Manual layout method

If you don't feel like using https://github.com/jekyll/jekyll-redirect-from it's easy to implement it yourself:

a.md:

---
layout: 'redirect'
permalink: /a
redir_to: 'http://example.com'
sitemap: false
---

_layouts/redirect.html based on Redirect from an HTML page :

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>Redirecting...</title>
  {% comment %}
    Don't use 'redirect_to' to avoid conflict
    with the page redirection plugin: if that is defined
    it takes over.
  {% endcomment %}
  <link rel="canonical" href="{{ page.redir_to }}"/>
  <meta http-equiv="refresh" content="0;url={{ page.redir_to }}" />
</head>
<body>
  <h1>Redirecting...</h1>
  <a href="{{ page.redir_to }}">Click here if you are not redirected.<a>
  <script>location='{{ page.redir_to }}'</script>
</body>
</html>

Now:

firefox localhost:4000/a

will redirect you to example.com.

Like this example, the redirect-from plugin does not generate 301s, only meta + JavaScript redirects.

We can verify what is going on with:

curl localhost:4000/a

Tested on GitHub pages v64, live demo at: https://github.com/cirosantilli/cirosantilli.github.io/tree/d783cc70a2e5c4d4dfdb1a36d518d5125071e236/r

I had a similar issue when switching the domain for my github pages site. I set up rerouter on Heroku to handle the 301 redirects to the new domain. It handles domain-to-domain redirects very simply, but you may have to modify it to handle your site's legacy domain+path location.

I described the steps in detail here:

http://joey.aghion.com/simple-301-redirects/

来源：https://stackoverflow.com/questions/9276817/301-redirect-for-site-hosted-at-github

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