The question of whether the a tag opens a new page. Compilation of the opening status of major websites_HTML/Xhtml_Web page production

Whether to open a new page with the a tag:
(1) Baidu Encyclopedia: If the header is different, a new page must be opened; if the header is the same, a new page may be opened; the rules are irregular
(2) Sina homepage : The header part is opened on the current page. Regardless of whether the header after the jump is the same, other content will open a new page. Sina secondary page: Basically, a new page is opened, and some are checked in on the original page. The rules are irregular
(3) NetEase: A new page is opened regardless of whether the header is the same.
(4) Taobao homepage: A new page is opened, regardless of whether the header is the same. Taobao Level 2: If the headers are the same, open them on this page; if they are not the same, open a new page.
(5) Dangdang.com homepage: The header part is opened on the current page. Regardless of whether the header after the jump is the same, other content will open a new page.
(6) Lefeng.com homepage: A new page is opened, regardless of whether the header is the same.
(7) Tencent: Basically, it means opening a new page, regardless of whether the header is the same. Except for a few third-level directory headers, they will be opened on the current page. Secondary page: If the secondary page has homepage navigation, it will be opened on the current page. Otherwise, open a new page. If the headers are different, a new page must be opened; if the headers are the same, a new page may be opened. The rules are irregular
(8) Sohu.com homepage: The header part is opened on the current page. Regardless of whether the header after the jump is the same, other content will open a new page. Secondary page: Regardless of whether the header is the same, a new page will be opened.