ajax Technology

The official blog Opera Web Applications, one of the developers described the new feature, which is integrated in Opera 9. This is very useful function reduces the load on the server, and conserves bandwidth when Ajax-applications.

In the traditional implementation of Ajax-applications, it is anticipated that the browser sends a HTTP-continuous requests to a server in the hope of receiving new information. Sometimes these requests receive a response, but in general they only create unnecessary burden on the server.

In Opera 9 browser instead opens a persistent connection, and the server itself can send a new customer information without prompting. Thus, the need for a continuous stream of requests to the server.

A new feature called Server-Sent Events (SSE) and is part of specifications for Web Applications 1.0.