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Whenever you add something interesting that other people may want to talk about, you want to facili-

tate them in doing so. After creating the

SocialBookmarking

class and referencing it from the page

where your content is located, you simply need to use it like you did in

catalog.php

:

<center>

<?php

// instantiate class by providing link, title, and site name

$social = new SocialBookmarking(‘http://seophp.example.com/catalog.html’,

‘Exciting SEOEgghead Products!’,

‘SEOEgghead’);

// display social bookmarking links

echo $social->getHTML();

?>

</center>

The HTML output, of course, can be customized. We won’t insist on such customization here though.

Also, note the

getHTML()

method has an optional array parameter that contains the services for

which to create links. The default value is

array(‘del.icio.us’, ‘digg’, ‘Furl’, ‘Reddit’,

‘YahooMyWeb’)

, but you can specify any of the known services if you don’t like the default list.

Summary

Feeds provide a streamlined method for users to access content, as well as allow other sites to syndicate

content. Links that are embedded in the feeds will both provide traffic directly as well as indirectly over

time. Users will click the embedded links in the syndicated content. And search engines will see a grad-

ually increasing number of links. This chapter demonstrated a class to easily create an RSS 2.0 feed, as

well as a third-party class to read all of the various formats employed today.

Social bookmarking services offer another sort of organic traffic that should also not be ignored. Stream

-

lining the process of bookmarking on your web site will likely increase the number of bookmarks your

site receives, and hence its ranking in the social bookmarking site search function — and perhaps even

earn a place on its home page.

172

Chapter 7: Web Feeds and Social Bookmarking

c07.qxd:c07 10:42 172

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