CF and TF are basically the components of SEO which decides the ranking of website.
TF stands for “Trust Flow.” This number reflects the quality of the websites linking to the site, measuring the “trustworthiness” of a page.
CF stands for “Citation Flow.” It reflects the amount of “link juice” that a site has and is able to pass onto another site through links. CF is largely a reflection of the volume of links.
Together, they are used to measure the impact of a link from a website, as well as the likelihood of a certain website ranking well for a specific keyword.