Useful information about HTTP protocol, http/1.1 and http/2

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Introduction: about HTTP protocol

 


The Hypertext Transfer Protocol, or HTTP, is an application protocol that has been the de facto standard for communication on the Internet given that its development in 1989. From the release of HTTP/1.1 in 1997 till lately, there have been few modifications to the protocol.

HTTP was initially proposed by Tim Berners-Lee, the leader of the Internet who designed the application protocol with simpleness in mind to carry out high-level data communication functions between Web-servers and users.

The initial documented version of HTTP was launched in 1991 as HTTP0.9, which later led to the main introduction and also recognition of HTTP1.0 in 1996. HTTP1.1 followed in 1997 and also has actually since gotten little repetitive enhancements.

 

But in 2015, a reimagined version called HTTP/2 entered into use, which offered a number of solutions to lower latency, especially when taking care of mobile systems as well as server-intensive graphics and also online videos. HTTP/2 has since come to be significantly preferred, with some consultations recommending that around a third of every internet sites on the planet covering it.


In this changing landscape, web developers can take advantage of comprehending the technical differences in between HTTP/1.1 and HTTP/2, making it possible for them to make enlightened and also efficient options about advancing finest methods.

After reading this article, you will certainly recognize the key differences between HTTP/1.1 and HTTP/2, concentrating on the technical improvements HTTP/2 has embraced to attain a much more reliable Web protocol.

Meeting HTTP/2

HTTP/2 aims to deal with much of the current failings of HTTP/1.1 by evolving the standard to meet the demands of contemporary applications. HTTP/2 standardization is rather one-of-a-kind because its ideas have currently been proven to work years before the requirement was completed. SPDY, a network protocol primarily established by Google, implemented a lot of the functions and also advantages that HTTP/2 would eventually provide. Actually, the first draft of HTTP/2 was heavily affected by SPDY.

SPDY was implemented in lots of web browsers and also server technologies, yet as HTTP/2 standardization was approaching, Google decided to deprecate the SPDY protocol for HTTP/2. Since Chrome 51, SPDY has actually been completely taken down from the Chrome web browser.

 

 

Image Credit: gostream.com

 

Why HTTP/2 is better?

One vital advantage of HTTP/2 is its ability to utilize a single TCP connection via a browser to an internet site for sending out and getting multiple requests. Because of this, significant functioning gains and an enhanced online presence for your visitors to experience is the last end result.

HTTP/2 is especially beneficial when dealing with TLS connections. The TLS handshake can be fairly long but thanks to reduced latency and multiplexing, other requests can do their job without being blocked out.

Multiplexing in HTTP2: Obtaining lots of media material by means of individual streams sent one by one is both ineffective as well as source consuming. HTTP/2 modifications have assisted establish a brand-new binary framework layer to addresses these worries.This layer enables customer as well as server to disintegrate the HTTP payload right into small, independent as well as convenient interleaved series of frames. This details is after that rebuilded at the other end.

 

Image credit: cloudflare.com

HTTP/2 significantly boosts the speed of communication between the web servers and customers.

 

Image credit: cloudways.com

One testing tool that you can check is Akamai HTTP2 speed test. The demonstration shows the big difference among downloading a large number of resources from an HTTP/1.1 and also an HTTP/2 server.


In our test HTTP/2 speed was 4.85X faster than HTTP/1.

HTTP2 Adapting

Executions of the HTTP/2 protocol for numerous languages, servers and browsers have currently been released. Browsers like Chrome and Firefox have full coverage for the HTTP/2 protocol. Microsoft’s Edge and Apple’s Safari browsers support HTTP/2 but just over safe links. Mobile variations of Chrome and Safari also provide support for the HTTP/2 protocol.

Possibilities are your customers can using the protocol, and even if not, HTTP/2 is completely in reverse suitable so you don’t have to worry. To follow progress and keep up to date on web browser support, you can check the Can I Utilize HTTP/2 web page.

 

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