Go to the layout directory in app/design/frontend/default/* (your current theme), edit your module's xml (if not there, copy from base directory) and add the following:

        <default>
		<reference name="top.links">
			<action method="addLink" translate="label title">
				<label>Home</label>
				<url>http://www.engineer-ing.com/</url>
				<title>Home</title>
			</action>
		</reference>
	</default>

Go to the layout directory in app/design/frontend/default/* (your current theme), edit page.xml (if not there, copy from base directory) and modify the following:

Change:

<block type="page/html_breadcrumbs" name="breadcrumbs" as="breadcrumbs"/>

To:

<!-- <block type="page/html_breadcrumbs" name="breadcrumbs" as="breadcrumbs"/> -->

Magento can be a beast. Every time a potential customer visits the website, several SQL queries run to log his details in the DB.
Not only that this is unnecessary (most of the details, except for the IP, are tracked by Google Analytics anyway), this could be a serious performance issue.

How to deactivate?

Copy /app/code/core/Mage/Log/Model/Visitor.php

To: /app/code/local/Mage/Log/Model/Visitor.php

Change the 4th line:

protected $_skipRequestLogging = false;

To:

protected $_skipRequestLogging = true;