What’s new?

The most obvious improvement we’ve made is the design and layout of Link Tutorial. Gone is the old design and we’ve gone with a more stylish, simplistic design. Not only does Link Tutorial look better, we’ve designed the site with functionality in our mind. Navigation is much easier with access to all tutorial articles from the left menu.

Along with the updated look of Link Tutorial, we’ve also updated our tutorial content and added a brand new News category, where you’ll find the latest, most up-to-date news about links and linking.

Share your thoughts!

Link Tutorial’s new site gives you the ability to comments on our articles! Disagree with something we’ve written? Let us know and post your thoughts! Share your views with the linking community and benefit from comments of others.

Introducing a new forum

Our brand new Link Tutorial Forum is the place to be to get in contact with like-minded webmasters interested in links and linking. Post link exchange requests, discuss directories or even other webmaster related issues such as CSS, programming, databases etc.

What do you think?

We’re interested in your feedback! Have we done a good job? Do you like the new design? What would you change? What would you keep?

See an example of a web page using frames (http://www.linktutorial.com/exampleframe.html). This example uses two frames, a left frame and right frame. Take note that the left frame’s URL is actually http://www.linktutorial.com/exampleframe1.html and the right frame’s URL is http://www.linktutorial.com/exampleframe2.html. You can verify this by using your mouse to right click on the frame and select the option “Open Frame In New Window” or something similar.

Impact on Link Exchanges

When exchanging links with a web site that uses frames, be aware that your link will actually sit on the frame URL, and not the frameset URL. Using the example above, the link to your web site will not be on the web page http://www.linktutorial.com/exampleframe.html (the frameset URL), but rather on the frame URL, http://www.linktutorial.com/exampleframe2.html.

Both the frameset URL and frame URL can have PageRank, however the PageRank of the frame URL where your link resides is the one that matters. It is possible that the frameset URL has PR 4, and the frame URL has PR 0.

Other tricks that webmasters may use are the use of a meta noindex,nofollow tag on the frame URL, which may be overlooked if you checked the HTML source of the frameset URL instead of the frame URL. Robots.txt exclusion of the frame URL may also be used.

iFrames and Their Impact on Link Exchanges

Iframes are frames that are embedded within a normal web page. An example of an iframe is as follows:

The impact of iframes on link exchanges are the same as the impact of frames on link exchanges. Issues relating to the PageRank, robots meta tags and robots.txt exclusion applies in the same way.

How to detect the attribute rel=”nofollow” using the Firefox browser:

1. Quit Firefox and go to the following directory (NB xxx is a random string of eight characters):
   • For PCs using Windows XP / 2000: C:\Documents and Settings\[User Name]\Application Data\Mozilla\Firefox\Profiles\xxx.default\chrome
   • For PCs using Windows 95 / 98 / ME: C:\WINDOWS\Application Data\Mozilla\Firefox\Profiles\xxx.default\chrome
   • For Linux computers: ~/.mozilla/firefox/xxx.default/chrome
   • For Macintosh (MAC OS X) computers: ~/Library/ApplicationSupport/Firefox/
Profiles/xxx.default/chrome
2. There should be an example file called userContent-example.css, rename this file to userContent.css (remove -example)
3. Open up your new userContent.css file and add the following line:
   a[rel~="nofollow"] { border: thin dashed firebrick! important; background-color: rgb(255, 200, 200)! important; }
4. Save and close the file

Testing Firefox to see rel=”nofollow” highlighted in red.

1. Open Firefox and visit Attribute rel=”nofollow”
2. Firefox should automatically highlight 4 links in red. These are the links that are using the attribute rel=”nofollow”. See below image:

Don’t have Firefox? Download Firefox - it’s free and comes in many languages for Windows, Mac OS X and Linux i686. Learn how to customize your userContent.css and userChrome.css files for FireFox.

How to detect the attribute rel=”nofollow” in Safari browsers:

1. Open up Safari
2. From your menu, go to “Bookmarks” then “Show All Bookmarks”
3. From your menu, go to “Bookmarks” then “Add Bookmark”
4. Name the bookmark as you wish, something like “rel=nofollow”
5. Select the bookmark folder “Bookmarks Bar” from the drop down menu, then click on “Add”
6. Change the address of the bookmark to:

(Important: Please remove the line breaks - this javascript code is meant to be one line of code)

Testing the bookmark

1. Visit our page, Attribute rel=”nofollow”
2. Click on your new bookmark. You should see 4 links with a red border around them. These links are using the rel=”nofollow” attribute. See below image:

Don’t have Safari on your Mac OS X yet? Download Safari today! It’s the fastest browser for Mac OS X.

“rel” is an attribute, not a tag

rel=”nofollow” has been inaccurately called a HTML tag. It is in fact an attribute that can be added to HTML tags, similar to adding the attribute “width” to HTML tags such as <IMG> or <TABLE>. The attribute rel=”nofollow” is used on individual anchor tags <A> for links.

Purpose of rel=”nofollow”

Any link with this attribute will indicate to search engine robots that the landing page may not be approved by the web site listing this link and therefore the link will not contribute to the link popularity or ranking of the landing page.

Example link using rel=”nofollow”

An example of the use of this attribute in a link is displayed below. The resulting link, while still visible to visitors, will not contribute to Google’s link popularity, PageRank or search engine ranking (not that they really need any).

Impact on link exchanges

While this attribute is clearly beneficial, especially for preventing spammers from abusing Blogs, guestbooks and other public areas where comments can be submitted, one of the concerning consequences is shady webmasters using it for the links on their links pages and directories. A link using the attribute rel=”nofollow” is not completely worthless, visitors can still come to your web site through this link, however you will be losing out when it comes to link popularity and search engine rankings.

Another possible abuse of rel=nofollow is the use of this attribute applied to the link pointing to the links page or directory. By applying rel=nofollow in this way, the outgoing links on the links page appears valid, however, because the links page is not “approved” by the page linking to it, the links page will not receive PageRank or link popularity. Hence a link on such a page would not pass on any benefits in terms of link popularity and search engine rankings.

More information

Looking for the source of this article? Read Google’s Blog on Preventing Comment Spam. You may also be interested in what MSN and Yahoo! has to say about this new attribute.

Learn how to detect rel=”nofollow” for Safari on Mac OS X using a javascript bookmark. You can also detect rel=”nofollow” on Firefox for Windows, Linux and Mac OS X.

Impact of orphaned link pages on link exchanges

Webmasters may orphaned link pages to prevent both visitors and search engines from finding links to other web sites. A link to your web site from an orphaned links page is completely useless in terms of search engine rankings, link popularity and increasing traffic through visitors coming to your site through that link.

Detecting orphaned link pages.

There are two (2) main methods of detecting orphaned link pages, browsing the web site or using Google’s search.

The first method involves browsing the web site to try and find the links page where the link to your web site resides. This method is often slow as a web site’s structure is not always well thought out and browsing to the links page can be frustrating when the links section is not obvious.

The second method makes use of Google’s search. Go to Google and type in the URL of the links page into the search box. If one result is returned, it means that Googlebot, Google’s search engine robot, has found the page and therefore is unlikely to be orphaned.

This file can be used by shady webmasters to instruct search engine robots not to visit or index the links pages or directory of their web site.

Impact of robots.txt on link exchanges

For link exchanges, the use of robots.txt means that your link on the link partner’s page would not be visited, indexed or followed to your web site by search engine robots. This practice is more “sneaky” than using meta tags, javascript or redirected links.

Robots.txt will not stop visitors from coming to your site from this link.

Detecting robots.txt

You will need a little understanding about robots.txt to detect their use. Firstly, visit the robot.txt file, it’s in the root directory of a web site. For example,

If this page does not exist, it means the web site doesn’t use a robots.txt file, therefore there’s no chance of the webmaster disallowing search engine robots. If it does exist, look for:

This means that the web site will instruct ALL search engine robots (User-agent: *) not to visit or index the entire site (Disallow: /).

The “User-agent” may be targeted to specific search engine robots, for example

The “Disallow” may also be targeted specifically to the links directory, for example

The disallow example will disallow all pages that start with http://www.[domain name].com/links

Search engines typically will not pass on any weight to the landing page of a redirected link. In other words, a tracking or redirected link doesn’t count towards your web site’s link popularity. However, search engines will pass on weight to the landing page of a link that uses permanent or 301 redirects.

The use of redirected links is usually for tracking purposes. With link exchanges, it is not unusual for a link partner to track how many visitors click on the link to your web site. It’s fairly unusual for a webmaster to use redirected links solely for the purpose of trying to cheat another webmaster during a link exchange.

An example of a redirected link is as follows:

Which will result in the following link in your web browser.

The above example shows the link that isn’t a static HTML link, but a redirected link. The link passes through the page redirectedlinkstest.php, which then sends the web browser to the final landing page. In this case, LinkTutorial.com’s home page.

Impact of redirected links on link exchanges

Depending on the redirection used, redirected links often renders that link to your web site virtually useless, in terms of link popularity. Your web site would miss out on the search engine benefits from redirected links.

However, a link exchange involving a redirected or tracking link is still useful in terms of visitors. Your web site would still get the benefit of visitors coming to your web site from your link partner’s web site.

Detecting redirected links

Detecting redirected links is fairly simple. There’s no need to view the source code of a web page. Simple click on the link and if you see a series of URLs in the status bar of your web browser, that link is a redirected link.

Use the above example to test the detection of redirected links.

An example of a link in javascript:

The above example will be displayed in javascript enabled web browsers as follows:

Impact of links in javascript on link exchanges

As with the use of the meta tag "NOINDEX,NOFOLLOW", a link within javascript is not completely useless. They would not count towards your web site's link popularity, however visitors can still click on the link to visit your web site.

Detecting links in javascript

Links in javascript can be easily detected in the source code of web pages, however it may take some time and a little understanding of HTML and javascript. Using the example above, look for links within the <script> tags.

The use of <meta name="ROBOTS" content="NOINDEX,NOFOLLOW"> is most commonly seen during link exchanges where webmasters try to retain their PageRank by instructing search engine robots not to index or follow their links pages or links directory.

Impact of this meta tags on link exchanges

A link on a web page using robots meta tag is not completely useless. If your link is on a web page that uses this robots meta tag, your link would not be counted towards your web site’s link popularity. However, visitors may still find your web site through this link.

Detecting meta “NOINDEX,NOFOLLOW”

Detecting this robots meta tags is quite simple. The meta tag can be clearly seen in the source code of the web page. Look within the <head> tags near the top of the source code.