for all common image types (e.g. GIF), but there are many situations where this
is not so easy to determine. So we'll force it in these cases. This is particularly
important for ad blocking, since only if we know that it's an image of
for all common image types (e.g. GIF), but there are many situations where this
is not so easy to determine. So we'll force it in these cases. This is particularly
important for ad blocking, since only if we know that it's an image of