In contrast, content sites commonly charge a fixed price per click rather than use a bidding system. PPC display advertisements, also known as banner ads, are shown on web sites with related content that have agreed to show ads and are typically not pay-per-click advertising.
A service-level agreement (SLA) is a contract between a service provider and its internal or external customers that documents what services the provider will furnish.
Service Level Agreements (SLA) A service level agreement often called an SLA for short, is an agreement between a supplier and customer that specifies specific service levels. This agreement can be either formal, a negotiated contract between two companies, or informal, like an understanding between two departments in a company.