许多 Web 设计人员错误地认为高速 Internet 连接的到来会使网站性能优化变得没有必要。

Many Web designers have erroneously assumed that the advent of high-speed Internet connections would make Web site performance optimization irrelevant.

youdao

在通常的情况下，文档的数据来源可能是外部(比如数据库，文件系统，蜘蛛从网站上的抓取等)，这些通常都比较耗时，尽量优化获取它们的性能。

Speed up document construction. Often the process of retrieving a document from somewhere external (database, filesystem, crawled from a Web site, etc.) is very time consuming.

youdao

现在，你可以说价值不在减少的猜测中，但优化网站性能基于商业目标。

Now, you can say that is not to reduce the value of speculation, but to optimize the performance of web-based business goals.

youdao