Duplicate content is an exsit problem for seoer,handling duplicate content problems might not seem like a big deal, but it actually makes the difference between your blog being virtually unnoticed in search engines vs. your blog being one of the best ranked ones out there.This article will seo guide to u Why And How To Avoid Duplicate Content?
1. The ranking power of your page is decreased if the pages are spread apart. For example, incoming links to www.seoi8.com and www.seoi8.com/ index.php could have been pointing to the same page. That means neither page ranks as highly on Google as just one would.
2. Possible duplicate content penalties. Since Google’s algorithm isn’t completely open and they need to prevent spam, it’s logical to assume that they may assign some sort of penalty to your website if there’s too much duplicate content. Imagine if tons of your blog’s searche pages got indexed (such as www.seoi8.com/ ?s=blog), in which case you may have 1000s of pages of duplicate content!
3. The number of indexed pages is capped. Google has some limits on how many pages of a website can appear in their index. For example, site:www.google.com only shows 30 million pages or so indexed, whereas it probably has trillions of pages. Therefore, if you have 10 duplicate pages indexed, then that might just crowd out that all those important page you spent hours writing!
here’s a few tips for bloggers (and other website owners) to avoid Google from assigning a duplicate content penalties to their blogs.
www vs non www – If your website is accessible via both www.domain.com and domain.com, then Google will end up indexing both at some point. To fix it, you should redirect everything (using a 301 redirect) to www.domain.com. Just modify the .htaccess file of your public_html folder and use the following code:
RewriteEngine On
RewriteBase /
RewriteCond %{HTTP_HOST} !^www.yourdomain.com [NC]
RewriteRule ^(.*) http://www.yourdomain.com/$1 [L,R=301]
slash vs no slash – If any of your website addresses is accessible with a trailing slash or with no trailing slash (for example, www.whatithinkabout.com/do-you-get-money and www.whatithinkabout.com/do-you-get-money/), Google also treats those as two separate webpages. Again, you’ll have to redirect no slashes to slashes. For wordpress, simply use the redirect plugin.
index.php vs no index.php – Another way the same page can be indexed in Google is if your webpage is available via the index file also. For example, www.whatithinkabout.com and www.whatithinkabout.com/index.php. In this case, you should redirect index.php to www.whatithinkabout.com via the following snippet in your .htaccess file:
RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_URI} index.html
RewriteRule .* http://www.yourdomain.com/? [R=301,L]
Categories & Archives – Make sure you add a noindex tag to these. Since these pages are all snippets of your other pages, it’s all just duplicate content organized differently. Therefore, you don’t want Google to index these pages and possibly devalue your article page(s)! Here’s another handy plugin for this: No index plugin
Search Box – The search box is another dangerous place where duplicate content may be indexed. For example, www.whatithinakbout.com/?s=development would be indexed if someone referenced this search result from another blog. Therefore, it is recommended that you disable search all together (by redirecting anything with parameters) and just putting in a Google search box (you make more money from that anyway!)
Oh, so to disable it, you can probably just redirect everything with parameters (since you should have permalinks for your posts anyway):
RewriteEngine On
RewriteBase /
RewriteCond %{QUERY_STRING} .
RewriteCond %{REQUEST_URI} !^/wp
RewriteRule .* http://www.yourdomain.com/? [R=301,L]
Title And Description Tags – If all your pages have the same title and description, then you’re making Google work that much harder to decipher what your pages are about. It would be wise to add a different description tag to every one of your pages, just in case the content seems similar. Besides, search engine visitors need to find your description compelling to click through to your blog! If you don’t have one, Google may not be so great at picking one for you! To do this, just install the description plugin
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