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It's just come to light that a couple of our clients have both www. and no www versions of their site, with no 301 in place. That's all fine, we're (trying) to get them to sort it.

But, strangely, one of our clients not only has the www. and no www, but they also have ww., and w. - all showing their site as normal - the only difference being that the www. and no www are both PR 3 while all other versions are N/A.

Does anyone have any idea what's going on/if it's a problem?

Thanks very much

Thanks Sean, that looks really useful, but I was hoping to find that specific guide - there was something I'm sure I read in it that I wanted to double check.

It was available on this URL: http://www.seomoz.org/article/the-professionals-guide-to-advanced-search-operators but I can't seem to find it anymore. Anyone know where it is?

Hi Rand and Anthony,

Sorry about the belated reply; I haven't had any more problems over the last couple of weeks so as it stands, it looks all sorted.

Thanks for the help!

As has been said it doesn't make a difference. Most people would think however that the link looks neater without the http://, so I'd say that's usually preferable.

For around the last 24 hours, every time I run site explorer it gets to just over a quarter of the way through and then just stops.

I've tried this with different sites and it makes no difference.

Although this is the first time I've had this problem (I don't use the tool regularly myself) one of my colleagues says it often happens to her.

Is this a problem SEOmoz can explain and/or fix?

As has been said it doesn't make a difference. Most people would think however that the link looks neater without the http://, so I'd say that's usually preferable.