As part of a task I make, I sometimes use a site I moderate to contact the users, asking them to reply on a specific page on that site (the one I link).
In some cases, I get a message via email, and this not where I want the reply, since I don't usually read the email as often as I visit that site to check any changes on the posts where I partecipate. I get that, since I write Please reply on [link to the page]. they understand it as Please reply to this message about the issue reported on [link to the page].
Is there a way to make clearer I am asking them to post their reply/comment on the page I link?