Hello,
I just got a page like this:
http://troels.arvin.dk/misc/wikipedia/200error/
copied from
http://en.wikipedia.org/w/index.php?title=Comparison_of_Java_to_C_Plus_Plus…
The HTTP response status code for that page was 200 (OK), according to my
LiveHTTPHeaders Firefox-extension.
I suggest that such error pages be delivered with a 500 (internal
error) response code. The problem with delivering error-pages using
status 200, is that it may be cached by proxies and picked up by search
engine bots.
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Greetings from Troels Arvin, Copenhagen, Denmark