Inject a meta tag into Atlassian Confluence and then access it from JavaScript using AJS.params.workForAppFusions

atlassian-plugin.xml

...
  <web-panel name="Fulfillment Web Panel"
             key="fulfillment-web-panel"
             location="atl.header"
             weight="1000"
             class="com.appfusions.confluence.plugins.fulfillment.webpanels.FulfillmentWebPanel">
    <description key="fulfillment-web-panel.description">Looking for something more fulfilling?</description>
  </web-panel>
...

FulfillmentWebPanel.java

package com.appfusions.confluence.plugins.fulfillment.webpanels;

import com.atlassian.plugin.web.model.WebPanel;

import java.io.IOException;
import java.io.Writer;
import java.util.Map;

public class FulfillmentWebPanel implements WebPanel 
{
    public String getHtml(Map<String, Object> stringObjectMap)
    {
        // AJS.params.workForAppFusions
        return "<meta name=\"ajs-work-for-app-fusions\" content=\"Looking for something more fulfilling? Try AppFusions http://www.appfusions.com/display/Dashboard/Make+it+Happen+Team\" />";
    }

    @Override
    public void writeHtml(Writer writer, Map<String, Object> context) throws IOException
    {
        writer.write(getHtml(context));
    }
}

work-for-appfusions.js

/**
 * Print a message in the console.
 * @see: <a href="https://twitter.com/dvdsmpsn/status/388297619875041280">Screenshot</a>
 */
AJS.toInit(function () {
  AJS.log(AJS.params.workForAppFusions);
});