SEO problems for .us domain

Hello,
We are a French e-commerce business that has been operating throughout Europe for 15 years with our own country-specific, well-referenced domain names.
In 2021, we opened our (.us) domain with a specific offer for the U.S. market, but we have noticed that we are not achieving the expected impression results, despite all our pages being well-indexed.
Indeed, our revenue in the USA is comparable to that of Ireland or Australia, two countries for which we launched websites one year after...

SEO problems for .us domain