> they tend to break things like back/forwards That's not a requirement for building a single page app, there have been ways of emulating history in spas for a

> they tend to break things like back/forwards That's not a requirement for building a single page app, there have been ways of emulating history in spas for a while now. > have text that can't be copied and pasted What do you mean? SI'm not aware of any sites whose text 'can't' be copied unless they disabled right clicking.