Hacker News Reader

You just let the javascript send a heartbeat ping. If you don't receive the ping but served the page you can determine that the user agent did not execute the javascript.

View on HN

Sure, but the comment mentions that you would use the 'set of websites that are whitelisted' as an identifier... your method can only check the site you are currently on, it doesn't give you information on if other websites have been whitelisted or not.

AFAIK NoScript whitelists don't respect first-party isolation (so a JS-enabled website can be included in a JS-disabled website), which makes it a relatively simple coordination problem between website A and B (possibly automated by a third-party tracker included in both A and B).

In any case, first-party isolation can be subverted: https://news.ycombinator.com/item?id=17947605

Yes, with coordination it is possible. I was thinking of the non-coordination issue.

Reply on news.ycombinator.com