Hmm, I wonder: if the user isn't asked to authorise the action whether it technically breaches the Computer Misuse Act (UK).
If you send a requested page, that's obviously fine. Normal use of websites is expected, but unilaterally instructing your site visitor's browser to download further unrequested content that's not part of a requested resource ...?
If you send a requested page, that's obviously fine. Normal use of websites is expected, but unilaterally instructing your site visitor's browser to download further unrequested content that's not part of a requested resource ...?