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What is HTTP?
HTTP and HTTPS are protocols used by web browsers to access content in the form of web pages. HTTP stands for Hypertext Transfer Protocol which is basically a network protocol for exchange of information in the various forms such as text, images, audio, video and several other forms. This information or data is passed back and forth between web browsers and web servers based on headers that describe how that information is to be transferred back and forth. For example it may not be appropriate to transfer large amounts of data embedded in a URL from a web form while little amounts of data such as user Ids session keys can be passed in the URL.
SSL stands for Secure Sockets Layer and is the predecessor to TSL which stands for Transport Layer Security. These are cryptographic protocols. Their main use is to provide security over the communication that is passed back and forth over the Internet. This is vital to protect sensitive data from unwanted sniffers.
HTTPS: stands for Hypertext Transfer Protocol Secure. This is a protocol that serves the same purpose as HTTP but with added responsibilities. These responsibilities are tied in with SSL/TSL. Therefore Hypertext Transfer Protocol Secure is a combination of the Hypertext Transfer Protocol with the SSL/TLS protocol that is vital for providing a better communications security pipeline over the Internet which is insecure by nature. With that understanding we can now look at the differences.
The Differences
The key differences of the two protocols, HTTP vs HTTPS are:

  • HTTP communication is served through port 80 while HTTPS is served through port 443.
  • The other noticeable differences are that URLs for HTTP start with the http prefix while HTTPS starts with the https prefix.
  • HTTPS communication relies on the digital certificates provided for by the server without which you will have to access the website using HTTP.
  • In HTTPS there is trust between the server and web browser unlike in HTTP.
  • In HTTPS the information transmitted is encrypted while in HTTP it is not.


My name is Dawit Uta (David). I am Computer Science Professional. I am interested on research & project work, website designing and development, teaching of any programming languages at any level, helping and encouraging the students, tutoring, consulting about tech. My research areas are Artificial Intelligence (AI), Machine Learning (ML), Deep Learning (DL), Internet of Things (IoT), Data Science and BigData Technologies.

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