Comments can be seen like this: https://comntr.github.io#http://contoso.com/ https://comntr.github.io#http://contoso.com/ The trick is that the #... part of the

Comments can be seen like this: https://comntr.github.io#http://contoso.com/ https://comntr.github.io#http://contoso.com/ The trick is that the #... part of the URL isn't sent to the server. This request downloads JS which computes SHA1 and gets comments by that hash from the data server.