Immediately after switching the page, it will work with CSR.
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It’s certainly looks to be a step above prior efforts to inject noise that I’ve seen such as having an instrumented browser “randomly browse the web” to add noise.
[1]: https://proprivacy.com/vpn/guides/openvpn-scramble-xor-obfus...
Unfortunately with symmetrical consumer internet services still being rare in many countries, fully masking your traffic when trying to download a large amount of content is made more difficult or time consuming.
Seems to me like a self-perpetuating broken-window fallacy taken to its logical extreme.