A Webpage Data Hiding Method by Using Tag and CSS Attribute Setting

Computer networks connection becomes the most important way for people to contact each other, share information, and transmit privacy data. Because the Internet is not secure enough, data hiding techniques provide a good manner to deliver secret data with security. HTML webpage not only can be used to advertise a company's product but also used to share someones experience or knowledge. The HTML file is different from a digital image because it is composed of tags but pixels. CSS provides more options and assistance to help HTML file coding to create colorful web pages. The proposed method utilizes both HTML and CSS's properties to achieve the goal of secret data delivery. The experimental results indicate that the proposed method has a larger embedding capacity than others.