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.
From Wikipedia, the free encyclopedia. A service-level agreement (SLA) is a part of a service contract where a service is formally defined. Particular aspects of the service-scope, quality, responsibilities-are agreed between the service provider and the service user.A common feature of an SLA is a contracted delivery time (of the service or performance). Service-based SLA: An agreement for all customers using the services being delivered by the service provider. 2  For example: 3  A car service station offers a routine service to all the customers and offers certain maintenance as a part of offer with the universal charging.