What is HTTP/2? Everything you should know for SEO

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What is HTTP/2?

HTTP/2 is a protocol for managing communications between the requesting browser and the server containing the requested information.

It was officially branded in 2015 and before that was HTTP / 1, which has assisted the web for over 15 years.

Google has confirmed that in November 2020 they will start crawling sites via HTTP / 2 and that more than half of them are already crawling all URLs with HTTP/2 protocol.

What Is a Protocol?

A protocol is a set of rules for managing demand between clients and servers. It generally consists of three main parts: title, payload, and footer.

The title contains information including page source and destination address, size, and type details.

Payload is the actual information that is sent. Following this is the footnote, which directs the request to the desired recipient. It ensures that the data is error-free when sent to the browser.

How does HTTP/2 differ from HTTP/1?

Basically, a truck means a request for a server from a client, and the road on which the vehicle travels is a network connection.

Once the truck traveling the request from the browser that reaches the server. It loads the answer and takes it back to the browser.

HTTPS adds a security layer to these responses to ensure that no one can be inside to see what is inside the truck, for example, personal or sensitive information.

The main problem here is that request trucks cannot travel faster than the speed of light. They have to travel at a constant speed regardless of how big the request is and how far they have to travel to get it.

HTTP/2 Tech Features

HTTP/2 is also developed on the same syntax as HTTP/1. That means that the protocol is more upgrade than full migration. It was a deliberate decision to make the change as seamless as possible.

The key features of HTTP/2 include:

Binary Not Textual

HTTP/2 allows a transition from text to binary to a protocol to complete the request for responsive cycles. The same tasks can be performed using binary commands – 1V and 0V rather than text.

This was done to facilitate the operation of the commands and they are easy to create and parser.

Multiplex

Multiplexing allows multiple requests to be made simultaneously on a single connection. This will break the folder into smaller rows, sort them into a single link, and then reconnect them before they reach the browser.

The main purpose of this change is to solve problems with resource-consuming requests. Also to help prevent others from soliciting requests and answers.

Header Compression

Header summary is designed to minimize overlays that come with a slow startup mechanism in HTTP/1.

As most websites are full of graphics and content, client requests cause many identical header frames to be redirected to the browser, causing delays and unnecessary consumption of already defined network resources.

The title summary mechanism provides the ability to compress a large number of unwanted header frames. It allows the server to maintain a list of topics used in previous requests.

Server Bush

It enables resources that can be used to push into the browser’s cache before it is requested.

Expected information or sources on future requests (based on previous requests) will be sent rather than waiting for another customer’s response.

This eliminates the need for another request and response round trip and is designed to reduce network latency as multiple resources are used to load a page.

Stream Prioritization

Stream priority is given to specific data streams, based on the dependence and weight assigned to each.

This allows the server to improve resource allocation based on the needs of the end-user.

Pros of HTTP/2

Naturally, as updated technology, HTTP/2 offers some benefits.

Updating to HTTP/2 is not migration and does not require any change in URLs. This is an ethical change that does not require much effort on the part of the SEO.

Benefits for SEO

Of course, all of these can have a positive impact on SEO. While Google has accepted that being in HTTP/2 does not provide a direct ranking boost, indirectly these factors will be particularly nourishing for the upcoming page experience update.

They can all affect the visibility of the search website along with the user experience and changes.

Cons of HTTP/2

Like all technologies, HTTP/2 has some disadvantages for you to consider.

It is value noting that by the end of 2015, most major browsers had added support for the new protocol; however, it is worth making sure that the browsers that your users access the site are supported.

Also, since the multiplexing server can receive short bursts of multiple requests at once, it has the potential to overwhelm the servers, especially if they are not triggered.

Enables HTTP/2

Upgrading to HTTP/2 is ultimately up to your server. If you currently do not support HTTP/2, talk to your server administrator or hosting provider.

If your server supports HTTP/2, it may automatically deliver content in the new protocol. Ensuring that you use a CDN that supports HTTP/2 will ensure that your server supports it and that you have an updated HTTPS certificate.

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