TABLE 2.

The dimensions and indicators of TPS-Online-TPD.

Dimensions	Indicators	Description
Technical quality	Efficacy	Speed and efficiency of platform operation, page jump, data, and resource transfer.
	Style	Reasonable and aesthetic level of platform function, interface, font, color.
	Development	The growth rate of users and resources of the platform; trust and recommendation intention of users with regard to the platform.
Content quality	Resources	The authority, reliability, and rationality of the courses and teaching resources.
	Effectiveness	The influence of network learning on the teacher’s teaching theory and practice.
	Method	The reasonableness, diversity, and stimulating nature of the teaching methods and strategies.
Service quality	Help	Access to help and response time when users encounter problems.
	Functional tools	The utility and richness of the tools and functions that support teacher learning and long-term professional development.
	Guidance	The degree of user satisfaction and personalization of the learning guidance, answering of questions, and other support services provided by the platform.