Load tests do not generate actual load with actual users, but rather simulated load with virtual users.

负载测试不通过实际用户生成实际负载，而是通过虚拟用户模拟负载。

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If you have a comparable production server in place, measuring its actual load patterns over a period of time can go a long way towards getting accurate concurrency rates and is highly recommended.

如果您在适当位置有一个可比较的产品服务器，经过一段时间测量其实际负载模式可能对获取精确并发比率有很大的帮助，强烈推荐。

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The actual load ratings quoted by various manufacturers depend on the way in which they are defined so that it is not always possible to make direct comparisons between them.

不同制造商给出的实际额定负荷取决于他们采用的定义方法，因此，一般无法直接加以比较。

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The score represents how well optimized the page is for speed, but does NOT measure the actual load time. (The real load time, of course, is what users experience.) So, slow servers or connections or content from other sites (like third party ads or widgets) can kill performance even on a site that gets a great score.

FORBES: Don't Let a Slow Website Kill Your Bottom Line

Despite the time it took to load, the home page was pretty lacking in actual options.

FORBES: Test drive