There are several reasons why you might want to redesign your website. However, there are some that are really important if you want the investment to make sense and of course a return.
Some of them are:

1- Improve the user experience (UX) and make it more friendly.

2- Make the website mobile-friendly so that all information can be easily accessed from any device.

3- To improve the search engine optimization (SEO) of the website and make it more visible to search engines. Right now, this is one of the keys to success.

4- Update the design and branding of the website to align them with the aesthetics, objectives and communication of the company.

5- To add new features and functionalities, such as e-commerce functionalities or a blog.

6- To improve the security of the page and protect it against hacking and other cyber threats.

7- To increase the loading speed and improve performance.

Ultimately, redesigning a website, if done from planning and following a strategy, can be the key to attracting new customers and retaining existing ones, increasing conversions, and generating more revenue for your business.