SEO includes website analysis, according to its content and commercial product.
B. Submission to free directories
The submission to free directories aims to improve "Link Popularity".
"Link Popularity" is important for marketing purposes as it's taken into consideration from search engine algorithms.
C. Proposals for submission to subscription directories
This service provides proposals for the submission of the website in specific subscription directories, which are selected after thorough analysis regarding the SEO implementation, the commercial product and the directory's traffic.
The submission to this type of directories, is helping mostly in rasing the Traffic but also the "Link Popularity".