Of course, it can be applied to any website, even if its original design did not account for it. In all cases, a proper analysis of the content and target group is necessary, as the level of familiarity with mobile devices varies by age group, along with the choice of technology for building the site or the existing technology in already established websites. With the analysis, we can then determine whether redesigning within the current system is cost-effective or if starting from scratch is preferable. Implementation is always carried out in a development environment that does not affect the normal operation of the website.