Decipher Baidu first talk Baidu search results page URL parameters detailed

Source: Internet
Author: User
Tags count query domain name

Baidu first input Any keyword search, we jump to the search results page, in the browser URL bar we can see a long string of URL address. So, do you really know the meaning of this string of URLs?

S?: Search

Baidu Search results page uses redirects, so what we see is not search.php? Such URL format

WD: Keywords for current search

That is, the input keyword UrlEncode string, the encoding format is GBK or UTF-8, the default encoding format is Utf-8. Used as a search for raw materials, Baidu will also pass participle, sentence class and other operations, not directly retrieve the database, this will be in the back of the interpretation of Baidu series in detail.

BS: Last Search for keywords

The content format matches the keyword of the current search. Used to record the user's search behavior, the value is used for related keyword statistics, synonym analysis and other operations.

RSV_SPT: User Browser type

A value of 1 or 3 (for the time being only counted to these two values). Used to mark the browser currently used by the user, ie kernel browser is 1, non ie kernel is 1, but now this parameter is 3, still not know when to deactivate or change it for him.

RSV_BP: Judging is the first few searches

Value is 0 or 1. When the user searches for the first time, the parameter value is 0, and the value is 1 when the user searches for a second search or more times on the results page for the first search. Used to record the user's search behavior, which is used to verify the quality of search results and related data analysis for related search terms.

TN: Search Source

The value is a site tag. For example, from the hao123 Baidu input box search content, will appear tn=sitehao123. Record that the value is used by Baidu statistical search source, the source data may be used as decision data.

Inputt: Type Time

From open Baidu page start to click the Search button the length of time. This parameter is used to record user search behavior.

OQ: The subjects of related searches

For example, search SEO is what, in the bottom of the relevant keywords in Taobao SEO is what meaning, when clicked after the value of OQ is what SEO is. This parameter is mainly used for related word statistics and user search behavior records.

rsp= n+1 Related Search

Count the number of related searches, such as the 4th time related search, then the value of RSP is 3. This parameter is mainly used for related word statistics and user search behavior records.

F: Search Behavioral Judgments

8 for the user's own search, 3 for the Drop-down box recommended, 1 for related search. This parameter is mainly used for user search behavior record and keyword statistics.

PN: Page number

The value is a arithmetic progression with a tolerance of 10. Used for page numbering and also for verifying the quality of search results.

CL: Search Type

A value of 3 is a web search, and the corresponding type of other values is not yet counted. This value affects the sort of search results.

LM: A specified period of time Baidu included information query

A value of 1 o'clock is the last 24 hours, 7 o'clock is the last 7 days, the value is 30 o'clock is the last 1 months, and a value of 360 is the last 1 years.

RN: Search results display bar count (record number)

The value range is between the 10~100 bar and the default value is 10.

ie: query input text encoding

This setting affects the encoding type of the search parameter wd.

Si: Search in the Qualified domain name

Mainly used to retrieve a site Baidu index data, such as want to have only to Baidu search results, then the value of the parameter is baidu.com. This parameter must be used in conjunction with the CT parameters.

CT: The value of this parameter is usually a string of numbers

The estimate should be the verification code for the search request, and the purpose is not yet analyzed.

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