Conceptual update of the teacher's personal professional blog as an element of teacher development in the informal model

The problem of the need to improve the skills of teachers is being actualized. The possibilities of three models of advanced training are shown: formal model, non-formal and informal model. Special attention is paid to the informal model, which includes the activity of a teacher in creating personal professional blog, its usage and content changing. Empirical data are presented, which testify in favor of the difficulties of teachers in maintaining their blogs. A number of difficulties are easily eliminated by means of GROW technique. This technique is quite universal and boils down to the ability to formulate effective questions on the topic of interest. The content orientation and the sequence of questions are determined by the algorithm of the technique we are describing. The algorithm of the conceptual update of the blog itself is presented and the basic principles of the teacher’s activities in the main directions of the conceptual update of the personal professional blog are shown. The proposed principles are the foundation that regulates the activity of the teacher for the implementation of conceptual renovation and guaranteeing efficiency in the functioning of the blog and using its blog audience.