Heroku needs some error pages to display that are consistent with the current site design. Must be hosted off-site, but with high redundancy, like Amazon S3.
A gh-pages branch has been set up so it's just a matter of adding the pages to the ~/public folder so they can be accessed without the support of Jekyll.
Heroku needs some error pages to display that are consistent with the current site design. Must be hosted off-site, but with high redundancy, like Amazon S3.
https://devcenter.heroku.com/articles/error-pages#customize-pages