Siloing is a very powerful SEO technique. Your silo site is laid out in specific organizational structure that helps search engines discover the themes of your website.
It redistributes link juice from external URLs throughout your site because all of the pages on your sites are interlinked. This means when one of your pages gets a link, it passes link juice to the other pages on your site.
The linking structure of a silo also provides powerful homepage links to the other pages on your site.
The effects of interlinked pages getting both homepage and external link distribution means that silo sites rank extremely fast for their keywords. In fact, rank much faster than you’d expect with fewer links than you’d expect too with a silo site.