Which of the following is a common reason for using HTTPS instead of HTTP?

Using HTTPS instead of HTTP is primarily based on the need to encrypt data for secure transmission. HTTPS (Hypertext Transfer Protocol Secure) employs SSL/TLS protocols to create a secure tunnel between the client and the server. This encryption is crucial when transmitting sensitive data, such as login credentials, payment information, or personal details, as it protects the information from eavesdroppers and potential attackers.

The importance of encryption cannot be overstated, especially in today's environment where data breaches and cyber attacks are prevalent. HTTPS not only ensures confidentiality but also provides data integrity and authentication, ensuring that the data sent is not altered in transit and that the parties involved are who they claim to be.

While improving loading speed and web access can contribute to a better user experience, they are not primary reasons for opting for HTTPS over HTTP. Enhancing user interface design is unrelated to the protocol used for transmitting data. Therefore, the focus on encryption for secure transmission makes HTTPS a vital choice for protecting user data online.