Hi I think as a freelancer we are very aware regarding webmaster duties. I am going to discuss something about main duties of webmaster. And I think there has many more responsibilities, I would like to know more.
As per as I think webmaster need to ensure web server working correctly or not. Besides, he need to check is software and hardware operation performance. And a webmaster need to manage website this may including links and database and several function. In addition, he has to knowledge on coding for example html.
And most importance part is marketing capability including SEO. And site promotion by sending email or voice mail etc.
Last but not the least, as a professional webmaster must to adept in Web transaction software, payment-processing software, and security software.