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This seems to be no problem for other directories. Take, just for example, dmoz.org. It is perfectly fine with all those links.

Hello Albin, I've sent a private message to you as I don't want to publicly announce their website. Is there anybody else who can help me on this case? Thanks in advance!

Thanks for this - definitely some food for thought regarding how we handle 404s in general... I am more worried about search engines than humans from this type of thing (we have had no referrals from this dodgy site) so would be interested to see if you still think a 301 is the best way to go since the link text may not be appropriate to our site (and perhaps this would be worse?!).

Test Results: http://www.seomoz.org/q/seo-test-site-command-url-length

Mike said it all. What could affect your SEO in a way, although only very slightly: Reciprocal links from both domains to the other domain. As they both reside on the same webspace, which is obviously on the same server, that has the very same IP-adress for both servers... they both sit on the same Class-C IP-network. Links from domains that reside on the same Class-C tend to not have the same impact as links from other Class-C networks. But as your linkbuilding shouldn't rely too much on two links you won't run into massive trouble here.

Having keywords in your image filenames is a good idea, but it doesn't harm it to add some dynamically generated strings at the end if that's necessary for technical reasons. As one example, I maintain a site which has user profile pictures, and by adding a dynamic string to the end of profile pictures it prevents the situation where the user uploads a new profile picture but see's the old one because of their browser cache. Definitely use relevant text in your alt and title attributes, but don't sweat a few extra characters added on a filename if it will help your developers.

This question has been covered quite a few times in the Q&A section and I believe there may have even been blog posts on here regarding it. try searching for site:seomoz.org "domain change" or similar and you should find lots of useful information from this site.

I don't know if they have even allowed access to a subdomain. Last time I checked they said you needed a completely different domain! Try magento

Thanks again, I guess I will have to look through keywords and see what traffic these news pages are still getting from google, then weigh up whether to tag them.

I can say from personal experience "inheriting" a bad code base or architecture and failing to correct it for the pain or cost of doing so makes everything else that much harder to do. In this day and age there is no excuse for not simply tackling the problem and doing things "right" . Changing CMS and blog and converting nearly 8000 pages to them was tough and took nearly 3 months of continuous work by 2 full time employees, but the rewards far outweigh the costs and pain.

Hello Alan! DON'T use the 301 redirect in this case, because you will certainly create a loop, and then nobody will access the filtered page. I am optimizing a e-commerce site, that has some duplicated content too. We are trying just now to use some canonical, and it looks it's going well. I think that this time your client should pay for, it will surely worth it. You could also use some meta robots in this case. It can be complementary just with the canonicals.  Here is a good and quick explanation: http://www.robotstxt.org/meta.html  Hope it helps! =]

Basically that wouldn't affect anything, I do that myself all the time. But if I were the guy at Google, who has to manually reconsider your request to drop a penalty and I read "SEO company" in the footer section I wouldn't be too generous with your request. That is more or less a "psychological" factor, so I would rather call that link: Webdesign & Consulting: biggestleaf. But that is no proven factor, just my 2 cents to how I think somebody at GooglePlex could react..

also, keep in mind that if you are ranking on secondary terms on the non-front pages, you will lose a lot of that relevance by forwarding to only your home page (esp. if it's not about that specific thing. example: old site about fruit  on home page - old subpage about apples the old subpage about apples may rank really well next, you  forward the old subpage about apples to your new front page the search engines go "oh, this page isn't as relevant as the old apples subpage that no longer exists, let's bump down the rankings" hence, it's always best to forward your equivalent old content to your equivalent new content.

Thank you for your answer. But do not you think that having the same content and between http://www.numeridanse.tv/http://www.numeridanse.tv/fr/ or http://www.numeridanse.tv/ andhttp: / / www.numeridanse.tv/en/, I can have some duplicate content? I know I can declare in Google Webmaster Tools, but you thinkthis may be enough for Google? Regards A.

Yes you have understood it right, it seems. I would recommend googles own shortner though, since it will help google understand your tweet.