What is an Internet Browser and How does it Work?

An internet browser or a web browser is a software program, which is used to surf internet or intranet by opening web pages from a web server. A web page is typically coded in HTML (Hypertext Markup Language) and (JS JavaScript).

Internet browsers like Google Chrome, Internet Explorer, Safari, Firefox, etc. make it possible to decode the code and represents in a format readable and viewable by masses.


History of web browsers?

The internet revolution started in the early 90’s and Sir Tim Berners-Lee invented the first internet browser back in 1990, which was called as “WorldWideWeb”.

Later, it got a new name as “Nexus”. This browser could only represent web pages in the form of plain text and also was no easy for an average guy to surf internet.

Later, in the year 1993 world’s first graphics-based internet browser “Mosaic” was invented by Marc Andereessen.

This browser was relatively more uncomplicated to use and provided graphics along with texts while browsing the internet. But within a couple of years, several other web browsers came up like Internet Explorer, Opera, Firefox, Safari and Chrome.

In the current time, Google Chrome is the most popular browser with a usage of 55% of the total internet browsers user base in the world.

How does an internet browser work?

Till now you must have understood that an internet browser retrieves data from a web server and present it to the user in a readable and watchable format.

But before anything could happen, we are supposed to provide information related to website or web server in the form of URL or Uniform Resource Locator.

URL is also known as web address, which provides browser address of the web server from where data needs to be fetched.

For example, you can key in URL as https://www.stemjar.com and open its homepage.

In this case, we have used HTTP or Hypertext Transfer Protocol, which is an application level communication protocol. This protocol is primarily responsible for the transfer and retrieval of files on the internet.

Another similar protocol is HTTPS, where ‘S’ stands for secure. It also means that communication between your internet browser and the website is encrypted and secured.

Nowadays, you do not even have to put prefix as http:// or https:// before URL such as www.stemjar.com or even stemjar.com. The website will open with automatically with added http or https prefix.

Available web browsers

We have many choices when it comes to internet browsers. The most common ones are:

You have to note that not all websites will open flawlessly on every browser. Some sites might open without any issue on one browser but might fail to load some content on a different web browser.

Personally, I like Google Chrome as it is user-friendly and supports tons of web applications which can be added conveniently from Google Chrome Store.


Also, Chrome allows you to directly login to your Google account to instantly sign in your most of Google products running under the same umbrella company, such as Gmail, YouTube, Blogger, etc.

I am using MacBook and I have total three internet browsers as Mozilla Firefox, Google Chrome and Apple Safari. You never know if one is not sufficient to open all websites as told before.


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