This can be tough to answer because many factors can play a big role in the ranking of a website. Thus, in Rocket Digital Marketing we make sure that we are at par with the latest update in the SEO landscape. To ensure that the site will continually make its way on top Search Engine Result Pages (SERPs).
Conservatively, it will at least gain traction in 6 months period and if SEO is continually monitored, likely in its first year will see significant traffic on the site.