$arr_19 ), array( 3, false, $arr_20, $arr_24 ), array( 2, false, "\" />", $arr_25 ) ) ); ?> $arr_27 ), array( 3, false, $arr_28, $arr_30 ), array( 2, false, "\" />\n\n", $arr_31 ) ) ); ?> array( 2, false, false, $arr_9 ), array( 4, $arr_10, "if", $arr_245, $arr_248 ), array( 2, false, "\n", $arr_249 ) ) ); ?> rr_466 ), array( 4, $arr_467, "if", $arr_482, $arr_484 ), array( 2, false, "\n", $arr_485 ) ) ); ?> Breezy Browsing » Linux Magazine
 

Building efficient websites with AJAX

The standards for an impressive Internet presentation have changed substantially since Tim Berners-Lee created the first web pages. Internet sites increasingly remind the surfer of interactive desktop applications rather than printed material. AJAX is a technology based on JavaScript that adds convenience, with pull-down menus, sortable tables, and interactive input pages. The main improvement is the absence of delays typically experienced while pages reloaded.

Long Way

Before rendering a website, the browser and web server go through a number of steps (Figure 1):

  • The browser sends a page request to a web server.
  • The server processes the request and serves up the HTML text and images. This might take a couple of seconds if the load is heavy. The network transmission speed decides how fast the content is delivered. The required time is still noticeable on fast intranets, however.
  • Finally, the browser reads the response and displays the page. The same sequence is repeated for each image before the browser can render the final version of the page.

[...]

Read full article as PDF »

070-074_ajax.pdf  (512.67 kB)
comments powered by Disqus

Visit Our Shop

Trial Subscription

Digital Subscription

Subscribe

Direct Download

Read full article as PDF »

070-074_ajax.pdf  (512.67 kB)

Tag Cloud

Bruce Byfield Gnome KDE Kernel Linux Linux Pro Magazine Open Source Projects Red Hat Ubuntu events foss free software google

News