The status value of 200 means that the page is valid.

status的值200表示页面是有效的。

youdao

CSS validation isn't technically as important as making sure your overall page is valid.

CSS验证在技术上没有确保整个页面有效那么重要。

youdao

NET allows you to run code during this validation check so that you can write custom logic to check whether the page is valid.

NET允许您在此验证检查期间运行代码，以便可以编写用于检查页是否有效的自定义逻辑。

youdao

For various reasons, the view from London can often be seen as particularly important or valid, which is why this CEBR report has made front page news.

BBC: Scotland Doomed by Comic Economics