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It is better to have one big website that ranks well than multiple blogs etc. If you do go down the blog route, follow the others advice and go for an onsite blog.

No harm in having multiple websites/blogs providing they have unique content and are not set up to rank one main site, as this could be seen as manipulation.

Strange one that, especially if it is only 2 pages that this happens too ! You should get on the wordpress forum and ask there, as that is probably the best place to get a quick and honest answer.

You could have been hacked and a dodgy file left on the website, although i do like wordpress, i believe it is vulnerable to such moves.

I agree with that too, would love to do that on a large scale, but would end up being sued by pretty much everyone

Well when doing SEO a page targets a couple of keywords maximum, having had a look at your site, your homepage has articles from building a business to something about Cheryl Cole.

So your homepage isnt really targeting a keyword as such and this will be a bit of a problem in my opinion.

You should have a page that is about the keywords that you want to rank for.

Your website is layed out in a magazine style format, which is fine, id try and target your keywords on other internal pages rather than changing your homepage layout.

Adding the same article to multiple websites is going to cause an issue with duplicate content, this is not good practise and will not help you with your efforts.

My advice is to write unique articles for maximum benefit. Make sure that your articles are unique and not written for the search engines. Make them useful to potential visitors, as this can attract people linking to your article. Which is what you really want.