网站如何知道我用来查找它的 Google 查询? [英] How does a website know the Google query I used to find it?
问题描述
当我在 Google 上搜索诸如rearrange table columns in asp.net"之类的内容时，并单击链接到 Wrox 的论坛站点，该站点向我致意，例如您的 Google搜索在 asp.net 中重新排列表格列"将您带到 Wrox 论坛...".
When I search for something such as "rearrange table columns in asp.net" on Google, and click the link to Wrox's forum site, the site greets me with a message such as "Your Google search for 'rearrange table columns in asp.net' brought you to Wrox Forum...".
网站如何知道我在 Google 中输入了什么查询?我怎样才能在我的网站上添加这样的能力?
How does a site know what query I typed into Google? And how could I add such an ablity to my site?
推荐答案
它正在根据 HTTP_REFERER 服务器变量中的查询参数解析您的查询，该变量包含您来自的 URL 并且是在您的 HTTP 请求中提供.
It is parsing your query from the query parameters in the HTTP_REFERER server variable, which contains the URL you're coming from and is provided in your HTTP request.
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