Please tell me about the front page page, I don't understand it_html/css_WEB-ITnose

Test

The URL is a normal link address. Why does it prompt a 400 error when I click the test on the front page, but I After entering the URL in the address bar, the page displays normally. If I close the page and try again, a new page will pop up and no error will be prompted

Reply to discussion (solution)

http://blog.sina.com.cn/s/blog_3f943a3a0100avte.html Make good use of Baidu

http://blog .sina.com.cn/s/blog_3f943a3a0100avte.html Make good use of Baidu

Error 400--Bad Request

From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:

10.4.1 400 Bad Request

The request could not be understood by the server due to malformed syntax. The client SHOULD NOT repeat the request without modifications.

What I prompted is This error is mainly because the first click does not work and an error is reported. Then I enter the URL page separately and click again and the desired page will appear