| Subject | English | Welsh |
| comp., MS | Excel Web Services | Gwasanaethau Gwe Excel (The Excel Services component that provides programmatic access to its Web service) |
| comp., MS | Web Analytics service application | rhaglen gwasanaeth Web Analytics (A SharePoint service application that collects, reports, and analyzes the usage and effectiveness of SharePoint Server sites) |
| comp., MS | Web service | Gwasanaeth gwe (A unit of application logic providing data and services to other applications that can invoke Web protocols) |
| comp., MS | Web service method | dull gwasanaeth gwe (A procedure that is exposed to Web service clients as an operation that can be called on the Web service) |
| comp., MS | Web Services Description Language | Iaith Disgrifio Gwasanaethau Gwe (" An XML format for describing Web services. WSDL allows Web service providers and users of such services to work together easily by enabling the separation of the description of the abstract functionality offered by a service from concrete details of a service description such as "how" and "where" that functionality is offered.") |