Promotion of the site of spare parts for motor engineering

The customer addressed the SEO-provision of its resource at the end of December 2019.
The work is done:
Full technical audit of the site
Analysis of main competitors
Analysis of the quality of the donors
Structure of the Strategy of Promotion
Elimination of Affiliate Influence
Correction of detected errors
Selection of new link donors and purchase of links
Working with internal content and setting the link
As a result, in 4 months of work, it managed to raise traffic on the site from 150 to 350 unique visitors per day.