为什么广告管理器要向网址添加大量参数
似乎每次我看到广告管理器应用程序提供的广告时，总会在产品的 URL 中添加一堆参数。
比如说一个随机的 stackoverflow 广告： http://ads.stackoverflow.com/a.aspx?Task=Click&ZoneID=4&CampaignID=474&AdvertiserID=5&BannerID=408&SiteID=1&RandomNumber=464183249&关键字=
或这个：
如果我遵循事物的逻辑，当您注册对横幅的点击时，您通常需要一些信息：“点击了多少次”，“由谁点击”（ip/注册帐户/...），“当”。
现在，如果我们查看参数，就会发现更多信息。 OpenX 除此之外还添加了更多内容：
我能想到的唯一原因是将呼叫保存到数据库，除此之外我真的看不到。
有什么提示或想法吗？
It seems that each time I see an ad that is served by an ad manager application there is always a bunch of parameters added to the URL of the product.
Say for instance one random stackoverflow ad :
http://ads.stackoverflow.com/a.aspx?Task=Click&ZoneID=4&CampaignID=474&AdvertiserID=5&BannerID=408&SiteID=1&RandomNumber=464183249&Keywords=
or this one:
If I go with the logic of the things, when you register a click to a banner, you would normally need a few info : "how many times it has been clicked", "by who" (ip/registered account/...), "when".
Now if we look at the parameters there are a lot more informations to this. OpenX adds a lot more on top of that :
The only reason I can think of this is to save call to the db, other than that I really can't see.
Any hint or ideas ?
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跟踪。
这些参数用于识别您的身份、您的点击位置、您点击的内容、您的点击应该转到哪个广告系列等。
Tracking.
The parameters are used to identify you, where you're clicking from, what you're clicking on, which ad campaign your click should go to, etc.
通常，广告请求包含尺寸代码，有时包含位置代码（广告在页面上出现的位置）和受众群体细分信息，这些信息是内容提供商了解（或猜测）的有关您的信息，并由网络用来确定您的信息应向您投放什么类型的广告。大多数受众细分是广告网络或内容提供商专有的。某些广告网络具有特殊功能，可支持根据您最近搜索的内容（关键字、搜索术语等）进行细分。
大多数时候，名称/值对对于不熟悉分段规则的人来说是完全难以理解的。您可能会得到类似 il=5 的值，这可能意味着收入水平属于第 5 类，这可能意味着在某个任意网络上每年收入为 120,000 美元。
所提供的实际图像可能会重复原始广告请求中的一些信息，以便跟踪所提供的实际广告，或者在某些情况下，因为图像服务器需要一些相同的信息来提供正确的图像。
Usually ad requests contain a size code, sometimes a location code (where on the page the ad appears), and audience segmentation information, which is information the content provider knows (or has guessed) about you and is used by the network to figure out what kinds of ads should be served to you. Most audience segmentation is proprietary, either to the ad network or to the content provider. Some ad networks have special features to support segmentation based on content you've recently searched for (keywords, search_terms, etc.).
Most of the time the name/value pairs will be completely unintelligible to people not familiar with the segmentation rules. You could have something like il=5, which could mean income level is in category 5, which might mean $120,000/yr on some arbitrary network.
The actual image served may repeat some of the information in the original ad request, either for tracking actual ads served or, in some cases, because the image server needs some of the same information to serve the right image.
他们还需要为广告商提供分析。您会看到该 URL 标识了广告商是谁、它用于什么活动等。所有这些内容都用于了解向谁开单以及广告的效果如何（即女孩的图片比独角兽的图片更有效） ）。
Well they also need to give analytics to their advertisers. You'll see that the URL identifies who the advertiser is, what campaign it's for, etc. All that stuff is used to know who to bill, and how effective the ad is (ie is the picture of the girl more effective then the unicorn).