Welcome to SEO&SEM Research! We are a group of SEO&SEM specialists and we've performed a large-scale research on top web domains. We've collected info about top websites's keywords, related sites, ads, traffic and traffic cost, etc. using different domain analysis APIs and stored it together in our database. Our database now contain over 1 million domains. You can discover a summary for each domain from the database here. We still continue to grow. We want to share this information with people working on SEO and SEM. Explore our service and feel free to use the data for your own research.