如何动态更改网页的标题?

我有一个网页，实现了一组选项卡每个显示不同的内容。单击选项卡不会刷新页面，而是隐藏/取消隐藏客户端的内容。

现在需要根据页面上选择的选项卡更改页面标题(出于SEO原因)。这可能吗?有人能建议一个解决方案，通过javascript动态改变页面标题，而不重新加载页面?

当前回答

更新:根据SearchEngineLand上的评论和参考大多数网络爬虫将索引更新的标题。下面的答案是过时的，但代码仍然适用。

You can just do something like, document.title = "This is the new page title.";, but that would totally defeat the purpose of SEO. Most crawlers aren't going to support javascript in the first place, so they will take whatever is in the element as the page title. If you want this to be compatible with most of the important crawlers, you're going to need to actually change the title tag itself, which would involve reloading the page (PHP, or the like). You're not going to be able to get around that, if you want to change the page title in a way that a crawler can see.

2009-01-05 15:29:48

其他回答

Google mentioned that all js files rendered but in real, I've lost my title and another meta tags which had been provided by Reactjs on this website and actually lost my position on Google! I've searched a lot but it seems that all pages must have pre-rendered or using SSR(Server Side Rendering) to have their SEO-friendly protocole! It expands to Reactjs, Angularjs , etc. For short, Every page that has view page source on browser is indexed by all robots, if it's not probably Google can index but others skip indexing!

2018-12-15 13:13:53

为了让任何爬虫程序注意到这个变化，您必须用一个新的标题重新提供页面。通过javascript这样做只会让人类读者受益，爬虫不会执行这些代码。

2009-01-05 16:04:28

现代爬虫程序能够解析DOM中动态生成的内容，因此使用document。标题=…完全没问题。

2016-06-04 19:18:40

我使用一个单独的头，并包括它使用php，在头我使用:

<?php
if (!isset($title)){
    $title = "Your Title";
  }
  else {
    $title = $title;
  }
 ?>
<head>
<title><?php echo $title; ?></title>

然后在每一页我使用:

<?php
  $title = "Your Title - Page";
  include( "./header.php" );
?>

2021-02-27 03:06:06

代码是文档。Title = 'test'

2009-01-05 15:27:08

如何动态更改网页的标题?

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