> However, momentarily a page appears which appears to
> be a HTTrack page. It is displayed too quickly to
> fully view and analyse for full content. It has
> however only been appearing since the doubling of
> the url started last Friday the 2nd September 2011.

Did you move your site to another provider, using httrack, and kept the
top-level index.html ? This would explain this quick redirect.

I do not see any other explanation otherwise (no, httrack can not magically
insert pages remotely, it only pulls data).