Web referral lead is a specific lead source indicating that the lead was generatedwhen a user navigated to your website using a referring link on another site and filledout the Web-to-Lead form containing the Salesforce tracking code. For example, if a useris browsing your partner's website and clicks a link to your website, then fills outyour Web-to-Lead form, a web referral lead is generated. The lead source details includethe referring URL for each web referral lead.