Using tracking pixels to track page visits
A tracking pixel is a 1x1-sized pixel image that can be embedded within your landing pages to track page visits. The tracking pixel image is an image tag that points to an endpoint on the Oracle Eloqua servers and accepts the ELQ parameter (unique recipient id). When the image is loaded, the endpoint records the page visit against the recipient ID (which can be resolved to a contact for reporting.) The HTML snippet looks similar to this:
<img style="display:none; border: 0" src="http://s[siteID].t.eloqua.com/visitor/v200/svrGP?pps=3&siteid=[siteID]&ref=http://google.com/" width="1" height="1" alt="">
In the example above, [siteID] where highlighted, represents your site ID.