google analytics 中的UTM参数

google analytics 中的UTM参数对于流量区分追踪用途大大的有，拷贝了一份很详细的文档过来

变量	描述	值示例
utmac	用于区别不同帐号的字串，所有请求中都有	utmac=UA-2202604-2
utmcc	Cookie 值，这个请求参数发送所有的cookie请求	utmcc=__utma%3D117243.1695285.22%3B%2B __utmz%3D117945243.1202416366.21.10. utmcsr%3Db%7C utmccn%3D(referral)%7C utmcmd%3Dreferral%7C utmcct%3D%252Fissue%3B%2B
utmcn	Starts a new campaign session. Either utmcn or utmcr is present on any given request. Changes the campaign tracking data; but does not start a new session	utmcn=1
utmcr	Indicates a repeat campaign visit. This is set when any subsequent clicks occur on the same link. Either utmcn or utmcr is present on any given request.	utmcr=1
utmcs	浏览器的语言编码，某些浏览器不支持此项，在这种情况下会被社会设置为 "-"	utmcs=ISO-8859-1
utmdt	页面标题，是一个URL-encoded 字串	utmdt=analytics%20page%20test
utme	扩展参数	Value is encoded. Used for events and custom variables.
utmfl	Flash 版本	utmfl=9.0%20r48&
utmhn	主机名，是一个URL-encoded 字串	utmhn=x343.gmodules.com
utmipc	产品码。这是一个特定产品SKU码	utmipc=989898ajssi
utmipn	产品名称，是一个URL-encoded 字串	utmipn=tee%20shirt
utmipr	单品价格。仅美元格式	utmipr=17100.32
utmiqt	数量	utmiqt=4
utmiva	Variations on an item. For example: large, medium, small, pink, white, black, green. String is URL-encoded.	utmiva=red;
utmje	浏览器是否启用java小程序，1 为真	utmje=1
utmn	Unique ID generated for each GIF request to prevent caching of the GIF image.	utmn=1142651215
utmp	当前页面的页面请求	utmp=/testDirectory/myPage.html
utmr	完整的来源页面	utmr=http://www.example.com/aboutUs/index.php?var=selected
utmsc	屏幕的颜色质量	utmsc=24-bit
utmsr	屏幕分辨率	utmsr=2400x1920&
utmt	定义请求的类型，为其中之一：event、 transaction、item、custom variable。如果GIF请求中不包含这些值，则请求类型为page。	utmt=event
utmtci	Billing City	utmtci=San%20Diego
utmtco	Billing Country	utmtco=United%20Kingdom
utmtid	Order ID, URL-encoded string.	utmtid=a2343898
utmtrg	Billing region, URL-encoded string.	utmtrg=New%20Brunswick
utmtsp	Shipping cost. Values as for unit and price.	utmtsp=23.95
utmtst	Affiliation. Typically used for brick and mortar applications in ecommerce.	utmtst=google%20mtv%20store
utmtto	总计	utmtto=334.56
utmttx	税	utmttx=29.16
utmul	浏览器语言	utmul=pt-br
utmwv	跟踪代码的版本	utmwv=1