No, it is just one of the ways and it is the most effective way if you choose the client side, The best way is SSR(Server Side Rendering) when it comes to SEO in React, but you have to use Next.js.
React valin SEO benefit balagena project karanna epa, Google and othe search engine valata thama Javascript read karanna ba, 2002 vage thama, puluwan tharam <Link/> or <a> link ma dapan, useNavigate vage eva nam use karannama epa Search Engine ekata ova read karanna ba.
React valin SEO karanna hari amarui Search Engine ekata Client side Read karanna amrui, Next.js valinma thama optimize karanna ona.