Good search engine How to prevent malicious clicks

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Open Baidu or Google, and then casually search for a keyword, if there are ads below the display, then click one, put the advertising business will be deducted the corresponding advertising fees, so we immediately have an idea, if someone constantly click on my ads how to do? Or someone who organizes a lot of people to click What to Do ?

To turn on Google's AdWords help, let's take a look at how Google views the problem.

Here are some examples of what Google might consider to be invalid clicks:

1, intended to increase your advertising costs or increase the revenue of the ad hosting site owners of manual clicks.

2, clicks generated by automatic click Tools, bots or other fraudulent software.

3, no extra clicks on advertisers without any value, such as double hit Second click.

We put aside the first, the third, just the second case, that is: automatic click Tools, bots, fraudulent software clicks, plus a situation, that is, if I organize thousands of people to click, what to do in the face of these situations.

In Google's help, we found that Google used 3 ways to prevent malicious clicks: 1, detection and filtering technology,

2, advanced monitoring technology, 3,google team with specialized tools and techniques to check the invalid click Case.

But Google did not disclose detailed technical details, this article is based on common sense knowledge to explore, if you are a search engine designers, how you will guard against, what key technology.

First of all, it will certainly use some of the simplest technology, they are IP exclusion, cookie recognition. To say the popular point, that is, the same IP multiple malicious clicks, you can easily identify. Even if you change IP, you can recognize the computer by using cookies. This technique should be the simplest method of identification.

So, if you click on someone else's ad maliciously, you need to change the IP at least every time, while removing cookies.

Second, click Frequency to prevent

However, it is far from so simple, because, this kind of prevention technology is easy to break, if you create an automatic click Tool, automatic transfer of IP, automatic removal of cookies, then it can be a powerful blow to the opponent? Then there should be another technique, that is the calculation of the frequency of clicks. The principle is: each time period, the same advertising position, click Frequency is balanced, such as the first one hours, the number of clicks is 20 times, one hours after the number of clicks is 2000, then 1800 counts as invalid clicks, can be so contrasted, today's time and the previous time period to do comparison, obviously abnormal, Then the excess portion counts as an invalid click.

Here to explain, whether the search engine will do so, do not know at present, but can be sure, click on the obvious anomaly, will definitely remove the superfluous. As for how unusual, how much to remove is another problem.

Third, the time to open the Web site to calculate

Very simple, malicious click ads, often open the site, and then immediately went away, so you can use, open the site how many seconds off the count of invalid clicks, but here is a problem: if the site is not loaded, the average user closed it, how to calculate.

Four, comprehensive analysis.

For example, the combination of the second and third, the number of clicks is obviously abnormal, and most of them open the URL on the closed, you can completely judge the existence of malicious clicks.

Search engines will certainly not disclose the specific technical details of the defense, but I guess the principle is the same. I hope you can discuss more, if you are a search engine, how will you design.

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