Duplicate content is one of those topics that are almost impossible to explain to non-SEO-savvy people. The best way to that is to visualize. So here’s my collection of SEO infographics related to duplicate content issue: each section contains the image, source and related articles on the topic:
Duplicate content on blogs:
Source: SEOmoz.org
Further reading: Finding Duplicate Content
Duplicate content caused by URL parameters
[click to enlarge]
Source: Google Webmaster Central
Further reading:
- How to Find Your Website Duplicate Content Issues
- About URL Tracking Parameters and Duplicate Content Issues
- Google Addresses Duplicate Content Issues Caused by URL Parameters
Search Engine Treating Duplicate Content:
Source: Search Engine Land by Elliance
Keyword Cannibalization
Source: SEOmoz.org
Further reading: Keyword Cannibalization and How to Handle It
How to Handle Duplicate Content
Proper interlinking strategy:
Source: SEOmoz.org
Further reading: Internal Site Linking : An Easy Way to Improve Your Rankings
Canonical tag:
Source: Dynamical.biz
Source: SEOmoz.org
Further reading: Where Can the Canonical Tag Be Actually Used?
301 redirect:
Source: Elliance.com
Further reading: 301 redirects (+ video included)
Just quit it :)
Source: flashdaweb.com
I love the cartoon!
So what is the best way to avoid duplicate content like you mentioned in the first example?
I have noticed that happening on my site….
Thank you for pointing this out and directing meas to how to avoid, as well as analyze and repair.
Great article. Last image is exactly how im feeling!
I need to read more on the canonical tag. I can see how blogs generate duplicate content.
hi see you again . ths for share
The SEOmoz Google robot ones are v. good – I’ve seen them used elsewhere before
People also forget about little things like making sure your blog posts are only in one category and not a handful.
One thing I have noticed with dupe content across multiple domains (due to white lable partner sites) is that Google will sometimes rotates (randomly or algorithmicallyI’m not sure) the display of some of the dupe content results. ie; a search for “blue widgets” will return domain “a” on the first search, and domain “b” on the second search. It will continue to do this for a few hours until it eventually decides which one to display permanently.
Should I stop publish my articles on article directories? I used to publish my articles, but now I wander should I stop doing this, because the risk of duplicate content penalty.