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The HTML markup of a web page includes the pages textual content, semantic and styling information, and, typically, several references to external resources. External
resources are content that is part of web page, but are separate from the web pages markup - things like images, style sheets, script files, Flash videos, and so on.
When a browser requests a web page it starts by downloading its HTML. Next, it scans the downloaded HTML for external resources and starts downloading those.
A page with many external resources usually takes longer to completely load than a page with fewer external resources because there is an overhead associated with downloading
each external resource. For starters, each external resource requires the browser to make an HTTP request to retrieve the resource. Whats more, browsers have a limit
as to how many HTTP requests they will make in parallel. For these reasons, a common technique for improving a pages load time is to consolidate external resources in
a way to reduce the number of HTTP requests that must be made by the browser to load the page in its entirety.
This article examines the free and open-source http://aspnet.codeplex.com/releases/view/50869 ASP.NET Sprite and Image Optimization Framework , which is a
project developed by Microsoft for improving a web pages load time by consolidating images into a sprite or by using inline, base-64 encoded images. In a nutshell,
this framework makes it easy to implement practices that will improve the load time for a web page that displays several images. Read on to learn more!
http://www.4guysfromrolla.com/articles/101310-1.aspx" class="readmore Read More >
View the full article
resources are content that is part of web page, but are separate from the web pages markup - things like images, style sheets, script files, Flash videos, and so on.
When a browser requests a web page it starts by downloading its HTML. Next, it scans the downloaded HTML for external resources and starts downloading those.
A page with many external resources usually takes longer to completely load than a page with fewer external resources because there is an overhead associated with downloading
each external resource. For starters, each external resource requires the browser to make an HTTP request to retrieve the resource. Whats more, browsers have a limit
as to how many HTTP requests they will make in parallel. For these reasons, a common technique for improving a pages load time is to consolidate external resources in
a way to reduce the number of HTTP requests that must be made by the browser to load the page in its entirety.
This article examines the free and open-source http://aspnet.codeplex.com/releases/view/50869 ASP.NET Sprite and Image Optimization Framework , which is a
project developed by Microsoft for improving a web pages load time by consolidating images into a sprite or by using inline, base-64 encoded images. In a nutshell,
this framework makes it easy to implement practices that will improve the load time for a web page that displays several images. Read on to learn more!
http://www.4guysfromrolla.com/articles/101310-1.aspx" class="readmore Read More >
View the full article