A high function website lets you stand out in front of your competition and through the use of good development, this can be achieved.
"A successful website does three things: It attracts the right kinds of visitors. Guides them to the main services or product you offer. Collect Contact details for future ongoing relation." - (Source: Mohamed Saad)
Through good development, you can monitor your analytics, maintain and organize your form data and search for information within the website and those are just a few aspects that good development can bring to your website.
Good development means a comfortable and powerful usability experience for your clients and potential future clients and that can lead to new leads and new business.