这的确如此，因为编写 stackoverflow<标签>测试< Enter> 使Chrome浏览此处 facebook< Tab> test< Enter> 不会执行任何操作，因为tab-key标签不在地址栏中。
我想知道的是，如何向Google表明我的网站有一个搜索引擎，以及Google如何利用格式化查询来正确地将Chrome用户重定向到我的网站，当使用Tab键搜索功能时。它是一个Meta标签吗？它是在robots.txt？
解决方案经过一点挖掘，我发现这个描述这个的页面。您还可以阅读Stackoverflow的源代码并找到以下代码行：
< link rel =searchtype = application / opensearchdescription + xmltitle =Stack Overflowhref =/ opensearch.xml>它的作用是向Google表明如何在文件 /opensearch.xml 其中包含：
<？xml version = 1.0encoding =UTF-8？> < OpenSearchDescription xmlns =a9/-/spec/opensearch/1.1/xmlns：moz =www.mozilla/2006/browser/search/> ; < ShortName>堆栈溢出< / ShortName> <说明>搜索堆栈溢出：针对专业和爱好者程序员的Q& A< /说明> < InputEncoding> UTF-8< / InputEncoding> < Image width =16height =16type =image / x-icon> http：//sstatic/stackoverflow/img/favicon.ico< / Image> < Url type =text / htmlmethod =gettemplate =stackoverflow/search?q={searchTerms}>< / Url> < / OpenSearchDescription>
Google Chrome has a feature where you can hit tab to search a site. Chrome then navigates to the site's own search engine and runs the inputted query. The Chrome documentation indicates that this is only available if Google has detected a search engine on the site you are trying to search.
This indeed seams to be the case, because writing stackoverflow<Tab>test<Enter> makes Chrome navigate here while facebook<Tab>test<Enter> does nothing because the tab-key tabbes out of the address line.
What I'm wondering is then how to indicate to Google that my site has a search engine and how Google needs to format a query in order to redirect a Chrome user correctly to my site when the tab-search feature is utilised. Is it a Meta tag? Is it in robots.txt?
解决方案After a little digging I found this page that describes this. Also you can read in Stackoverflow's source code and find this line of code:
<link rel="search" type="application/opensearchdescription+xml" title="Stack Overflow" href="/opensearch.xml">What it does is indicate to Google that the description for how to use your search engine in the file /opensearch.xml which contains this:
<?xml version="1.0" encoding="UTF-8" ?> <OpenSearchDescription xmlns="a9/-/spec/opensearch/1.1/" xmlns:moz="www.mozilla/2006/browser/search/"> <ShortName>Stack Overflow</ShortName> <Description>Search Stack Overflow: Q&A for professional and enthusiast programmers</Description> <InputEncoding>UTF-8</InputEncoding> <Image width="16" height="16" type="image/x-icon">sstatic/stackoverflow/img/favicon.ico</Image> <Url type="text/html" method="get" template="stackoverflow/search?q={searchTerms}"></Url> </OpenSearchDescription>
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