All major search engines such as Google, Bing and Yahoo have primary search results, where web pages and other content such as videos or local listings are shown and ranked based on what the search engine considers most relevant to users. Payment isn’t involved, as it is with paid search ads.
We are following agile web application development methodology. Our development process takes care of all the stages from design to deployment. We are using agile tools such as Git, Jira, Slack, CI/CD. We always follows standard coding design patterns so web application can become easily expandable in future. Currently, we are using the most popular design patterns called MVVM & MVC.