Response Times: The 3 Important Limits Article by Jakob Nielsen
Summary: There are 3 main time limits (which are determined by human perceptual abilities) to keep in mind when optimizing web and application performance. Excerpt from Chapter 5 in my book Usability Engineering, from 1993: The basic advice regarding response times has been about the same for thirty years [Miller 1968; Card et al. 1991]: 0.1 second is about the limit for having the user feel that
The PHP Benchmark
PHPBench.com was constructed as a way to open people's eyes to the fact that not every PHP code snippet will run at the same speed. You may be surprised at the results that this page generates, but that is ok. This page was also created so that you would be able to find discovery in these statistics and then maybe re-run these tests in your own server environment to play around with this idea your
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