The success ratio to bring traffic to a site or blog can vary greatly depending on the type of content being offered, the target audience, and the marketing strategies being used. Generally speaking, a successful website or blog should have a combination of content optimization, social media campaigns, and search engine optimization (SEO). It is important to have a well-planned and organized marketing strategy in order to drive traffic and ensure a successful website or blog. Additionally, it is important to monitor the website or blog regularly to ensure that it is engaging readers and that its content is being shared and discussed.