Let's have all opinions on this: Article written should be published on client's site first and after it is indexed then give original script to other articles submission directories OR make few changes to that article and then submit to different articles directories to avoid duplicacy of contents? Normally, what is the practice in SEOs world here.
sooner orl ater peoepl will find your website and copy your content... sobo reason wait til your page indexed, just do soem modifications, and publish it in the sam etiem to the all articles website you have on your list...
Never, ever deliberately submit duplicate content to an articles thing, this will incur duplicate content penalty points. Always have original content on your website. Submitting the same content you have on your website to other website for distribution is skewed, because why would anybody see your website as the definitive one to visit if every tom, dick and harry can basically mirror your contents for themselves? Submit unique articles to your website and completely different ones for syndication. Also, to help you to track people using your website-hosted articles, type in sentances from your content from time to time into the search engine, and this will help you to find who's stolen your content and you can give them a ticking off, threatening them with Google's ability to remove their illegal websites from their results.
I had waited until my content get indexed first then submitted them to article directories to get backlink to ensure that my contents wouldn't be deplicated and penalty by Google. People always copy contents from each others without leave their bio box as it was, but if you're original, negative side effect will got them.
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I would suggest writing different articles for your site and different articles for submission to article directories. This would ensure that the content on your site remains unique and original and is of more value.
think theres no prob to submit article on different directories, SEO's use this to gain links and it is still useful. Just make ur content unique think no probs on it.