Website development usually involves several key stages. At the beginning of the project, the requirements are analyzed, where the goals of the site, its functionality and audience are defined.
Then comes the design phase, where layouts and design are created, taking into account user experience. This is followed by the development phase, where programmers code the site functionality and integrate the design.
The final phase is testing, including validation of performance, security, and user interaction. After successful testing, the site is ready to be deployed and launched. You can read more about the stages here