Earlier quoted context omitted.
Unfortunately, there is not much we can do about transfer-encoding, but the data is otherwise exactly as is returned from the browser. Browsertrix uses the browser to create web archives, so users get an accurate representation of what they see in their browser, which is generally what people want from archives. We do the best we can with a limited standard that is difficult to modify. Archiving is always lossy, we t…
You could use a proxy. "Archiving is always lossy" No.
I think he has more context than any of us on the limits of proxy archiving vs browser based archiving.
But also if you really need perfect packet-level replication, just wireshark it as he said. Why bother with WARCs at all?