Different from the common inverse time characteristic, this model conforms to the load actual operating law and the protection request, and takes the analysis of measurement error into consideration.

与常用反时限保护特性相比较，此保护模型更符合负载的实际运行规律及保护要求，并对测量误差关系进行了分析。

youdao

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