We are Viktoriya and Oksana Gruzdyn, Nutritionists and Immunology Researchers. We run a popular health and wellness website. Alexei did an exceptional job with optimizing our website. It went from 8 seconds loading speed to under 1 second! In addition, he was always there to answer any questions and he took the time to explain everything thoroughly. He is honest, sincere, and great to work with! He goes above and beyond to help you! Thank you so much Alexei for your exceptional service!