檢視 Google搜尋的原始碼

[[分類:網路服務]]
===搜尋參數===
The webpages maintained by the Google Help Center have text describing more than 15 various search options.<ref name="GH">
 "Google Help Center – Alternate query types", 2009,
 webpage: [http://www.google.com/help/operators.html G-help].
</ref>
The Google operator
* <code>OR</code> – Search for either one, such as "price high OR low" searches for ''"price high"'' or ''"price low"''.
* <code>-</code> (minus sign) – Exclude a word or a phrase, such as "apple -tree" searches where word ''"tree"'' is not used.
* <code>""</code> – Force inclusion of a word or a phrase (Note that the original <code>+</code> operator was removed on October 19, 2011).<ref name="Google changes the operators"/>
* <code>*</code> – Wildcard operator to match any words between other specific words, e.g. ''"type * blood"''.
* <code>..</code> - Range operator,<ref name="Punctuation, symbols & operators in search">{{cite web |url=https://support.google.com/websearch/answer/2466433 |title=Punctuation, symbols & operators in search |publisher=support.google.com |accessdate=2014-12-10 }}</ref> e.g. ''"$50..$100"''.

Some of the query options are as follows:
* <code>define:</code> – The query prefix "define:" will provide a definition<ref name=GH/> of the words listed after it.
* <code>stocks:</code> – After "stocks:" the query terms are treated as stock ticker symbols<ref name=GH/> for lookup.
* <code>site:</code> – Restrict the results to those websites in the given domain,<ref name=GH/> such as, <code>site:www.acmeacme.com</code>. The option "site:com" will search all domain URLs named with ".com" (no space after "site:").
* <code>intext:</code> – Prefix to search in a webpage text, such as "intext:google search" will list pages with word "google" in the text of the page, and word "search" anywhere (no space after "intext:").
* <code>allintitle:</code> – Only the page titles are searched<ref name=GH/> (not the remaining text on each webpage).
* <code>intitle:</code> – Prefix to search in a webpage title,<ref name=GH/> such as "intitle:google search" will list pages with word "google" in title, and word "search" anywhere (no space after "intitle:").
* <code>allinurl:</code> – Only the page URL address lines are searched<ref name=GH/> (not the text inside each webpage).
* <code>inurl:</code> – Prefix for each word to be found in the URL;<ref name=GH/> others words are matched anywhere, such as "inurl:acme search" matches "acme" in a URL, but matches "search" anywhere (no space after "inurl:").

The page-display options (or query types) are:
* <code>cache:</code> – Highlights the search-words within the cached document, such as "cache:www.google.com xxx" shows cached content with word "xxx" highlighted.
* <code>link:</code> – The prefix "link:" will list webpages that have links to the specified webpage, such as "link:www.google.com" lists webpages linking to the Google homepage.
* <code>related:</code> – The prefix "related:" will list webpages that are "similar" to a specified web page.
* <code>info:</code> – The prefix "info:" will display some background information about one specified webpage, such as, info:www.google.com. Typically, the info is the first text (160 bytes, about 23 words) contained in the page, displayed in the style of a results entry (for just the 1 page as matching the search).
* <code>filetype:</code> – results will only show files of the desired type (e.g. filetype:pdf will return pdf files)