Rapid SSL can be an attractive ssl cert for people due to the price 10 bucks can normally nab you a cert!
The question comes to mind however if you are buying an seo cert to help with your seo signals is Rapid SSL good enough would a more expensive cert help seo more ?
The answer is no Rapid SSL works just as good as anyother cert for SEO! More expensive certs may offer a higher “insurance” level against theft but as for seo rapid will be just fine!
Hope this helps.