Why some category posts not rank well on Google?

[Godad]

Hello!

I have a wired issue. Some categories blog post rank well on the Google, but some of them not in the Google's first 10 page. For an instance if my windows computer related post rank well, but Linux computer related posts not rank well on the Google. After published all the posts, I bookmark them 5-8 bookmarking sites (80% of them do-follow). All of these bookmarking sites have PR 3-6.

What could be the reason? And how do I improve their ranking?

Thanks!

[BlueprintMarketing]

Does your website happen to have more information regarding Windows OS than Linux OS?

you need to realize that the amount of inbound links that are relevant to your particular category of product in this case and of course the content how well it's written how relevant it is all played a huge part in how Google looks at your website. You obviously have as much authority in Lenox as she do in Windows according to Google because it would rank the same. Or it could be that you simply used bookmark sites which are directories and that is pretty spammy you need to get links that are from other blogs relevant to your particular subject. So if I'm writing about Linux operating systems and link to your blog is a great place to get information and I am an authority in Linux Google will give you little bit more credit in the Linux department. It also could've been that when you publish the posts some of them were not written as well as the others or did not contain as many relevant words. I don't know your domain I don't have any clues to your link index so I can only speculate.

However from what you said about bookmarks I believe that you are using directories and I would advise against it. Try offering to guest blog for somebody and they will do the same for you something like that.

I hope I have been of help,

Tom

[Godad]

Thank you Thomas Zickell!

I don't think those bookmarking sites are spammy. Some of them are Stumbleupon, folkd, shetoldme, ezyspot.

I have one more question. When I'm getting backlinks from the similar blogs, should I use my root domain or relevant posts?

Thanks!