So I'm saving this file, notice there is a few keywords that we'll come back to next week like main which is kind of the main part of my program.

保存此文件，注意这有几个关键字,我们在下周介绍,比如代表程序主体部分的“main“

哈佛公开课 - 计算机科学课程节选

As mentioned in the previous post of what to focus on when measuring SEO which included URLs and indexed pages, landing pages, the second part of the SEO health check consists of keywords, organic search traffic, and how to interpret all of your data.

FORBES: SEO Health Check: Examining the Data that Matters