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02.03.09

Checking Your Site For Clean Web Links

By Lee Odden

Link building continues to be an important part of marketing and optimizing web sites and web marketers can often get distracted by quantity goals rather than quality.

Link building efforts for search engine optimization purposes rely on clean links that can be crawled by search engine bots.  But what's a "clean crawlable link"?  It's one that is not blocked with Robots NoIndex meta tag, JavaScript redirect, blocked with robots.txt or a NoFollow tag.

There are hundreds of ways to attract and acquire links. If link requests, article submissions or other high labor, low impact tactics are used, then it's important to make sure the links acquired are good for both users and search engines.

Here are a few things to check for:

1. To check the robots meta tag, look at the page source code. If there is no robots tag, that's fine.

If there is a robots meta tag and it looks like this,

meta name = "robots" content = "index, follow"

that's good - although it's not really necessary on the part of the webmaster.

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If the robots meta tag looks like this:

"robots" content = "noindex, nofollow" 

OR

"robots" content = "index, nofollow" 

that's not good as far as links for SEO benefit.

2. To see if there is a JavaScript redirect of links from a desired page, put your cursor over the link and look at the url that appears in the status bar at the bottom of the browser. If it shows the correct link url, then in most cases, it's ok.  

However, this can be faked within the JavaScript so if you can copy the displayed URL you may want to run the link through a tool like Rex Swain's HTTP Viewer which will show you if the link redirects, what type and where.

3. To see if robots.txt is blocking search engine spiders from crawling links on a page, then add the text "/robots.txt" to the end of the URL in question.

For example:
http://www.articleblast.com/robots.txt

Here you will see:

User-agent: *
Disallow: /administrator/
Disallow: /cache/
Disallow: /components/
Disallow: /editor/
Disallow: /help/
Disallow: /images/
Disallow: /includes/
Disallow: /language/
Disallow: /mambots/
Disallow: /media/
Disallow: /modules/
Disallow: /templates/
Disallow: /installation/

Continue reading this article.

About the Author:
Lee Odden is CEO of TopRank Online Marketing, a digital marketing and public relations firm in Minnesota that specializes in search, social and online PR consulting and training for companies worldwide. Odden has been cited for his internet marketing expertise over the past 10 years by the Economist, Forbes and U.S. News and contributed a chapter to the book, "Online Marketing Heroes" published by Wiley. For the past 5 years he has also been the editor of TopRank's Online Marketing Blog, a Technorati 100 favorite blog and one of the top marketing blogs according to Advertising Age.
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