Blog posts, blog archives and duplication

[McTaggart]

Just reviewed a blog integrated with my website, and have noticed duplicate content - the blog homepage includes blogpost summaries (not a major issue as now set up so only put in opening paragraphy then anchor text to full blog post).

Then that's a full blog blog post if you click for more - then that's carbon copied over in the archive. So one near exact duplicate.

Is this something worth taking action on with nocrawl tags, etc., on archive duplicates of blog posts, or shouldn't I be to hung-up on this? I'm a scientist by training, so tend to go further and further once I get going...

[McTaggart]

Thanks Marcus - that's very useful. I am using Wordpress as it happens   Off to do some reading...

[Marcus_Miller]

Hey Luke

As a general rule of thumb, blogs will offer up a fair bit of duplication through tags, categories and archives so it can be worth not indexing those pages. For the posts themselves, you should have the option to create a unique snippet rather than using the first couple of blog paragraphs if you wanted to do that (best practice) but the duplication of the blog posts should be handled by the canonical tag so there is only one true instance  of the article on the site.

You don't mention which blog package you are using but for WordPress, the yoast SEO plugin will help you easily deal with most common issues.

http://yoast.com/wordpress/seo/

The plugin does not do this all on installation and requires some simple configuration to fit your circumstances but the following page walks you through the configuration of the plugin so you can make a call on what to index, noindex, etc.

http://yoast.com/articles/wordpress-seo/

What if you are not using WordPress? Well, I would still read the above article. It deals with issues common to most blog platforms and covers technical optimisation, template tweaks, site structure, conversions and most importantly for you (section 3 I think) covers duplication created by the blog, pagination etc.

Well worth a read if only to get you thinking in the right direction and if you are using WordPress, then the plugin and that tutorial will put most of your problems, if not all to bed.

Hope it helps!

Marcus