| Links: Balancing Image Quality and Speed: How to Shave Seconds off Your Download Time
The Internet has changed the way information is displayed. According to Weinman and Heavin, (1997) “It is no longer necessary to only create compelling visuals and information - the speed with which your site is viewed is also subject to critique,” (p. 36). Internet audiences are not captive. They can leave, and often do, at any time. It is the daunting task of web designers to not only draw the audience into a page, but to keep them there. One way to attract and keep an audience is by maximizing image quality while minimizing download time. This can be accomplished by choosing appropriate graphic file formats and by utilizing a variety of file size reduction techniques. [Usability News 2001]
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Schrijf een recensie | Voeg to aan del.icio.us Design for performance: Analysis of download times for page elements suggests ways to optimize
Need help figuring out how to reduce the time it takes to download your Web pages? Find out how to cut download times and improve resource utilization by following the design advice here, gleaned from optimizing efforts at high-volume sites. [IBM developerworks 05/2000]
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Schrijf een recensie | Voeg to aan del.icio.us Faster, Browser Load, Faster!
Sites that load quickly have a special place in the hearts of web surfers. They’re the ones you can load from a 9600-baud modem when traveling with the company’s antique laptop, the ones you can sneak a peek at between documents, the ones who deliver near-instant gratification. But quickly loading sites don’t have to be the exclusive province of those with server power to spare; as a developer, you can influence how quickly a page loads on your site.
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Schrijf een recensie | Voeg to aan del.icio.us How tolerable is delay? : Consumers' evaluations of internet web sites after waiting
How consumer's waiting times affect their retrospective evaluations of Internet Web Sites is investigated in four computer-based experiments. Results show that waiting can but does not always negatively affect evaluations of Web Sites. Results also show that the potential negative effects of waiting can be neutralized by managing waiting experiences effectively. A conceptual framework and formal random utility model is introduced. [PDF of Postscript file download]
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Schrijf een recensie | Voeg to aan del.icio.us Internet Delay Effects: How Users Perceive Quality, Organization, and Ease
In this paper we report the results of an investigation designed to determine the effects of Internet delays on users perceptions of ease of locating information, organization of information, quality of information, and navigation problems. The results demonstrated user sensitivity to delays. As expected, for text-and-graphics documents, shorter delays provoked more favorable responses. However, for text-only documents, the shorter the delay, the less favorably a document was viewed.
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Schrijf een recensie | Voeg to aan del.icio.us Site Optimization Tutorial
We're all tired of waiting for Web pages to download, aren't we? To make sure that visitors to your site don't get frustrated, we rounded up some in-house experts to help you make your pages faster 'n greased lightning.
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Schrijf een recensie | Voeg to aan del.icio.us The Death-to-Download Ratio
'The site is so clogged with bloated images, duplicate code, and extraneous tables that the client never even had a chance to see them, let alone approve them. And no sign-off means no paycheck. It sucks to be you!' [PDF-file 103kB]
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Schrijf een recensie | Voeg to aan del.icio.us Understanding Web Site Speed and Reliability
This paper describes many of the interrelated factors behind maintaining superior Web site performance and reliability. It gives an overview of what is involved in monitoring and measuring performance. It also explains how such measurements can help to detect, diagnose, and address problems on a continuous basis to ensure reliability. This document does not present in-depth technical discussions strictly addressing technicians or engineers; it is meant to be quickly and easily grasped by readers with a non-technical background. Een whitepaper van Keynote. [PDF-file 64 kB]
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Schrijf een recensie | Voeg to aan del.icio.us Wait for It
Let's reconsider the "speed rules" notion. It's no secret that pornography sites attract phenomenal traffic. But everyone knows that porn sites are excruciatingly slow. Even so, hoards of people are willing to not only wait for them but pay for them as well. How is it that the usual speed limits simply don't apply to these blue sites? Obviously, sex sites have a key motivator - hormones - that typical sites lack, but that's not the only thing that they have going for them. Other elements contribute to their success.
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