JP7366171B2 - Tracking system, tracking method and tracking program - Google Patents

Description

One aspect of the present invention relates to a tracking system, a tracking method, and a tracking program that track viewers of advertising sites.

Patent Document 1 below describes a combination of a content ID that identifies content viewed from a web browser on the user terminal side and an individual identification ID of the user terminal that accessed the content, which is read from the non-contact IC chip 111. An information processing device that enables tracking by being held in a measurement system is described.

JP2013-257632A

The method described in Patent Document 1 requires reading from a non-contact IC chip, for example, and cannot easily perform tracking. Therefore, a mechanism for more easily tracking is desired.

A tracking system according to one aspect of the present invention includes at least one processor, and the at least one processor views a tracking identifier that identifies tracking of a viewer when the viewer transitions to an advertising site. When a conversion by a viewer occurs on an advertising site, the tracking identifier is received from the viewer or advertising site that sent the tracking identifier, and based on the received tracking identifier. Perform tracking.

A tracking method according to one aspect of the present invention is a tracking method executed by a tracking system including at least one processor, and the tracking method identifies tracking of a viewer when the viewer transitions to an advertising site. a step of transmitting a tracking identifier to the viewer side or the advertising site side, and a step of receiving the tracking identifier from the viewer side or the advertising site side that sent the tracking identifier when a conversion by the viewer occurs on the advertising site. and performing tracking based on the received tracking identifier.

The tracking program according to one aspect of the present invention includes the steps of transmitting a tracking identifier for identifying tracking of the viewer to the viewer side or the advertising site side when the viewer transitions to an advertising site; When a conversion by a viewer occurs on the site, a step of receiving the tracking identifier from the viewer or advertising site that sent the tracking identifier, and a step of executing tracking based on the received tracking identifier are executed on the computer. Let it run.

In this aspect, a tracking identifier sent when transitioning to an advertising site is received when a conversion occurs on the advertising site, and tracking is performed based on the received tracking identifier. . This allows for easier tracking.

According to one aspect of the present invention, tracking can be performed more easily.

FIG. 1 is a diagram illustrating an example of the configuration of a tracking system according to an embodiment. 1 is a diagram showing a general hardware configuration of a computer used in a tracking system according to an embodiment. FIG. 2 is a diagram illustrating an example of the configuration of a tracking program according to an embodiment. It is a figure showing an example of a tracking flow of a tracking system concerning an embodiment. 3 is a flowchart illustrating an example of the operation of the tracking system according to the embodiment.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, in the description of the drawings, the same or equivalent elements are given the same reference numerals, and redundant description will be omitted.

[term]
The terms used in this disclosure will be explained.

An "ad distribution business" is a business that forms an advertisement distribution network and provides advertisements to the distribution network. For example, Value Commerce Co., Ltd. is an advertising distribution company.

The "ad distribution company server" (or "tracking system" or "tracking device") is a server managed by the advertisement distribution company.

A “general user” (or “viewer”) (general user side) is a user who views content on the Internet.

A "site operator" is a person who operates a site and posts advertisement tags obtained from an advertisement distribution company. For example, a site operator is paid when an ad tag is clicked or a conversion occurs.

An "advertiser" (advertisement site side) is an advertisement requester who submits an advertisement to an advertisement distribution business. For example, when an advertisement is clicked or a conversion occurs at a transition destination, an advertiser pays a reward to a site operator and an advertisement distribution company.

An "advertisement page" (or a "webpage on which an advertisement is posted") is the content of a web media or application media that is operated by a site operator and that posts an advertising tag issued by an advertising distribution company.

An "advertisement site" is a site that provides advertisement pages. The advertising site is operated by the site operator.

A "redirect server of an advertisement distribution company" (or simply "redirect server") is a server through which an advertisement is clicked for the purpose of obtaining information about general users (user information) and advertisement information. The redirect server is managed by the advertising distribution company.

The "advertiser link URL" is the URL of the advertiser's LP page, which will be described later. The advertiser's link URL is submitted and managed by the advertiser to the system of the advertisement distribution company.

The "advertiser LP page" (on the advertising site side) is a page that transitions when the advertiser's link URL is pressed. LP is an abbreviation for Landing Page, and is the first page that general users access from advertisements. The advertiser LP page is a site operated by the advertiser.

The "advertiser CV page" (advertising site side) is a CV page within the same domain as the advertiser LP page. CV is an abbreviation for Conversion Page, and is a page where actions taken by general users to purchase or apply for products or services may occur. For example, the advertiser CV page is a payment completion page or a material request completion page. The advertiser CV page is a site operated by the advertiser.

The "advertisement site" (or "advertiser site") (advertisement site side) is a site that provides an advertiser LP page and an advertiser CV page. Advertising sites are operated by advertisers.

The "advertisement tag" is an HTML tag for advertising issued by an advertising distribution company. Site operators can distribute advertisements by implementing advertising tags on their sites. Advertisement tags are issued by the site operator from the management screen provided by the advertisement distribution business for each advertisement within the advertiser program and the advertisement space of the advertisement publication site.

The "measurement parameter" is a fixed character string that is unique for each advertising space and is given an ID for specifying the advertising page and advertising space.

The "judgment parameter" is a parameter for determining whether the transition is from a specific domain or site. The determination parameter may be a character string indicating the transition source, or may be a flag value indicating whether the transition is from a specific domain or site.

A "tracking identifier" is a conversion tracking identifier that is issued by an advertisement distribution company and is unique for each advertisement display unit. Note that in existing tracking, the tracking identifier is, for example, an identifier issued for each advertisement click.

The "advertiser system" (advertising site side or general user side) is a server program implemented on the advertiser side or a client program that functions on the general user's browser.

A "conversion measurement tag" (or "CV measurement tag") (advertising site side or general user side) is a server program that extracts tracking identifier information and sends it to an advertising distribution company server along with order information, or a general It is a client program that runs in the user's browser.

A "conversion measurement system" (or "CV measurement system") (on the advertising site side) is a server-side implementation program provided by an advertising distribution company and is implemented within a site operated by an advertiser. The conversion measurement system will be implemented to operate on the advertiser CV page. A conversion measurement system measures conversions.

[System configuration]
The tracking system 10 according to the embodiment is a computer system for tracking general users (viewers) who view advertising sites. FIG. 1 is a diagram showing an example of the configuration of a tracking system 10. As shown in FIG. In this embodiment, the tracking system 10 includes a storage section 11, a transmission section 12, a reception section 13, and an execution section 14 as functional elements.

The storage unit 11 stores arbitrary information used in calculations in the tracking system 10, results of calculations in the tracking system 10, and the like. The information stored by the storage unit 11 may be appropriately referenced by each functional element of the tracking system 10.

The transmitting unit 12 transmits a tracking identifier for identifying tracking of a general user to the general user side or the advertising site side when the general user makes a transition to the advertising site. The general user side includes, for example, terminal devices (such as PCs and smartphones) used by general users to view web pages such as advertising sites, and programs executed on the devices. The advertising site side refers to a server device configuring the advertising site, a program executed on the device, and the like.

The transition (transition to an advertising site by a general user; hereinafter abbreviated as "transition" as appropriate) may be a transition that does not go through a redirect server or an advertisement distribution provider's server (tracking system 10). That is, for example, it may be a direct transition from the advertisement page without going through the redirect server or the server of the advertisement distribution provider (tracking system 10). In that case, the URL (advertiser's link URL) indicated by the advertisement tag of the advertisement page is the URL of a web page (for example, the advertiser's LP page) within the advertising site.

The transmitter 12 may detect the transition based on communication from the general user side or the advertising site side when the transition occurs. The communication may be a communication requesting a tracking identifier (to the transmitter 12 or the tracking system 10). In addition, the communication may be a communication indicating that a transition to an advertising site has been made by a general user, or a communication including predetermined information.

The transmitter 12 may receive advertisement information regarding the selected advertisement when a general user selects an advertisement on a web page that distributes advertisements (advertisement page) and a transition occurs. The advertisement information is, for example, a measurement parameter. The transmitter 12 transmits any one of identification information for identifying a general user, IP address information of a general user, referrer information of a general user, or user agent (UserAgent) information of a general user when a transition is performed. You may receive the above. The identification information may be newly issued information (eg, by an advertiser system) when the transition occurs. The transmitter 12 associates the information received when the transition occurs (advertisement information, identification information, IP address information, referrer information, or user agent information) with the tracking identifier (described later). (in the main storage unit 102 or auxiliary storage unit 103, etc.).

The transmitter 12 may issue a new tracking identifier when the transition occurs, and transmit the issued tracking identifier to the general user side or the advertising site side.

The transmitting unit 12 may store the tracking identifier (in the main storage unit 102 or the auxiliary storage unit 103, which will be described later) when the transition is performed.

The tracking identifier transmitted by the transmitter 12 (to the general user or the advertising site) may be stored (in a memory or the like) on the general user or the advertising site.

The transmitter 12 may further transmit identification information for identifying the general user to the general user side or the advertising site side (in addition to the tracking identifier) when the transition is performed. The tracking identifier and identification information transmitted by the transmitter 12 (to the general user or the advertising site) may be stored (in a memory or the like) in association with each other on the general user or the advertising site.

When a conversion by a general user occurs on an advertising site, the receiving unit 13 receives the tracking identifier from the general user or advertising site to which the tracking identifier was sent (by the transmitting unit 12).

When a conversion (a conversion by a general user on an advertising site; hereinafter abbreviated as "conversion" as appropriate) occurs, the receiving unit 13 receives a tracking identifier stored (in memory, etc.) on the general user side or the advertising site side. It may also be received (from the general user side or the advertising site side).

When a conversion occurs, the receiving unit 13 further receives one or more of contract information related to the conversion or identification information that identifies the general user (in addition to the tracking identifier) from the general user side or the advertising site side. You may receive it. The identifying information received when a conversion occurs does not have to be used for tracking. For example, identification information received when a conversion occurs may be used for reporting such conversions.

The execution unit 14 executes tracking based on the received tracking identifier. The execution unit 14 may perform tracking based further on the tracking identifier stored (in addition to the tracking identifier) (by the transmitting unit 12). In tracking, the execution unit 14 may determine whether the tracking identifier received (by the reception unit 13) matches the tracking identifier stored (by the transmission unit 12). In this embodiment, existing technology is used to execute tracking based on a tracking identifier, and details thereof will be omitted.

Tracking system 10 is comprised of one or more computers. When a plurality of computers are used, one logical tracking system 10 is constructed by connecting these computers via a communication network such as the Internet or an intranet.

FIG. 2 is a diagram showing a general hardware configuration of the computer 100 that constitutes the tracking system 10. For example, the computer 100 includes a processor 101, a main storage section 102, an auxiliary storage section 103, a communication control section 104, an input device 105, and an output device 106. Processor 101 executes an operating system and application programs. The main storage unit 102 includes, for example, a ROM (Read Only Memory) and a RAM (Random Access Memory). The auxiliary storage unit 103 is composed of, for example, a hard disk or a flash memory, and generally stores a larger amount of data than the main storage unit 102. The auxiliary storage unit 103 stores a tracking program 110 for causing at least one computer to function as the tracking system 10. The communication control unit 104 is composed of, for example, a network card or a wireless communication module. The input device 105 includes, for example, a keyboard, a mouse, a touch panel, and the like. The output device 106 includes, for example, a monitor and a speaker.

Each functional element of the tracking system 10 is realized by loading the tracking program 110 onto the processor 101 or the main storage unit 102 and executing the program. Tracking program 110 includes code for implementing each functional element of tracking system 10. When the storage section 11, the transmission section 12, the reception section 13, and the execution section 14 are each installed in separate computers 100, the tracking programs 110 stored in each computer 100 may be different. In any case, the processor 101 operates the communication control unit 104, the input device 105, or the output device 106 according to the tracking program 110, and reads and writes data in the main storage unit 102 or the auxiliary storage unit 103. Through this processing, each functional element of the tracking system 10 is realized. Data or databases required for processing may be stored in the main storage unit 102 or the auxiliary storage unit 103.

The tracking program 110 may be provided after being permanently recorded on a tangible recording medium such as a CD-ROM, DVD-ROM, or semiconductor memory. Alternatively, the tracking program 110 may be provided via a communication network as a data signal superimposed on a carrier wave.

FIG. 3 is a diagram showing an example of the configuration of the tracking program 110. The tracking program 110 includes a transmission module 111, a reception module 112, and an execution module 113. The functions realized by executing the transmitting module 111, receiving module 112, and execution module 113 are the same as those of the transmitting section 12, receiving section 13, and executing section 14 of the tracking system 10 described above.

[System operation]
With reference to FIG. 4, the operation of the tracking system 10 and the tracking method according to this embodiment will be described. FIG. 4 is a diagram illustrating an example of a tracking flow of the tracking system 10. Figure 4 shows the flow from when a general user selects an advertising tag on an advertising page until a conversion occurs at the destination advertising site.

In step S1 (click transition), a general user clicks (selects) an advertisement (advertisement tag) posted on the advertisement page, and directly transitions to the advertising site (advertiser LP page). The domain of the advertising link (in the advertising tag) posted on the advertising page is an advertising site and does not go through the redirect server of the advertising distribution company. An advertisement tag is a method of posting a fixed URL in text or the like. At least one or more of a determination parameter or a measurement parameter may be added to the URL parameter of the advertisement tag.

In step S2 (request), first, the advertiser system (a server program implemented on the advertiser LP page or a client program that functions on a general user's browser; advertising site side or general user side) Extracts the parameters in the URL parameters that are (fixed) given at the time of landing. When the determination parameter is retrieved, the advertiser system determines whether the transition is from a specific domain (for example, "valuecommerce.com") or site based on the retrieved determination parameter. If it is determined that the transition is not from a specific domain or site, the subsequent processing of step S2 and the processing of steps S3 and S4, which will be described later, are omitted. If it is determined that the transition is from a specific domain or site, the following information (some or all of the information may be missing) is (collectively) communicated to the tracking system 10.
・Measurement parameters (if extracted from URL parameters)
・Identification information that identifies general users (user ID. A unique character string assigned to each user by the advertiser, or a unique character string issued for each session, etc.)
・IP address information for general users ・Referrer information for general users ・User agent information for general users

The measurement parameters may be held on the advertiser side (advertising site side) without being communicated (sent) to the tracking system 10, or may be held on the advertiser side while being communicated to the tracking system 10. You can leave it there. The identification information may be generated by the advertiser system when landing on the advertiser LP page, or may be stored in advance in the advertiser system. Communication of the information to tracking system 10 may be a request. More specifically, it is a request for a tracking identifier. The above information is added to the request and communicated to the tracking system 10. The communication method does not matter.

In step S3 (return tracking identifier), first, the tracking system 10 (transmission unit 12) issues (generates) a new tracking identifier based on the information received in step S2, and sends the issued tracking identifier as a response ( (to the advertiser system). The (transmission unit 12 of) the tracking system 10 may store (keep) the (issued) tracking identifier in a form that is associated with the information received in step S2. When the tracking system 10 (transmission unit 12) returns the tracking identifier, it may also return the identification information received in step S2.

In step S4 (store tracking identifier), the advertiser system stores (manages) the information received in step S3. More specifically, it may be stored in the storage area of the advertising site's server, it may be stored in the storage area of the general user's browser, or it may be stored in both (the management location does not matter). ). Further, the advertiser system may store the tracking identifier received in step S3, or may store the tracking identifier and identification information received in step S3 in association with each other.

In step S5 (transition within the site), the general user transitions to the advertiser CV page by transition within the site. The transition includes revisiting after leaving (the advertising site).

In step S6 (retrieve tracking identifier), following the transition in step S5, the CV measurement tag or CV measurement system installed at the time of conversion obtains the tracking identifier stored in step S4. The identification information stored in step S4 may also be acquired. That is, the CV measurement tag or the CV measurement system may acquire the tracking identifier and identification information stored in step S4.

In step S7 (CV notification), the CV measurement tag or the CV measurement system transmits conversion data regarding conversion to the tracking system 10. Conversion data includes the following information (some or all of the information may be missing):
・Tracking identifier (obtained in step S6)
・Order information (information regarding orders associated with conversion. Contract information)
-Identification information (obtained in step S6. It may be newly obtained for reporting purposes. Not used for tracking determination)

The method of transmitting conversion data does not matter. More specifically, it does not matter whether the protocol is HTTP (Hypertext Transfer Protocol) communication, https (Hypertext Transfer Protocol Secure) communication, or file SCP (Secure Copy Protocol) or SFTP (SSH File Transfer Protocol). .

After step S7, the receiving unit 13 of the tracking system 10 receives the information transmitted in step S7, and the execution unit 14 of the tracking system 10 executes tracking based on the received tracking identifier. More specifically, if the tracking identifier issued (generated) and stored (recorded) in step S3 by the execution unit 14 of the tracking system 10 matches the tracking identifier received in step S7, the conversion is normal. Record as.

[Tracking method]
An example of a tracking method executed by the tracking system 10 will be described with reference to FIG. FIG. 5 is a flowchart illustrating an example of the operation of the tracking system 10. In step S10, the transmitter 12 of the tracking system 10 transmits the general user's tracking identifier when the general user transitions to the advertising site. In step S11, the receiving unit 13 of the tracking system 10 receives a tracking identifier when a conversion by a general user occurs on an advertising site. In step S12, the execution unit 14 of the tracking system 10 executes tracking based on the received tracking identifier.

[effect]
A tracking system according to one aspect of the present invention includes at least one processor, and the at least one processor generates a tracking identifier for identifying tracking of a general user when the general user makes a transition to an advertising site. The tracking identifier is sent to the user side or the advertising site side, and when a conversion by a general user occurs on the advertising site, the tracking identifier is received from the general user side or the advertising site side, and based on the received tracking identifier. Perform tracking.

A tracking method according to one aspect of the present invention is a tracking method executed by a tracking system including at least one processor, and the tracking method identifies tracking of a general user when the general user transitions to an advertising site. a step of transmitting a tracking identifier to a general user or advertising site; and a step of receiving the tracking identifier from the general user or advertising site that sent the tracking identifier when a conversion by a general user occurs on an advertising site. and performing tracking based on the received tracking identifier.

A tracking program according to one aspect of the present invention includes the steps of: transmitting a tracking identifier for identifying tracking of a general user to the general user side or the advertising site side when a general user transitions to an advertising site; When a conversion by a general user occurs on the site, the computer executes the steps of receiving the tracking identifier from the general user or advertising site that sent the tracking identifier, and executing tracking based on the received tracking identifier. Let it run.

In this aspect, a tracking identifier sent when transitioning to an advertising site is received when a conversion occurs on the advertising site, and tracking is performed based on the received tracking identifier. . This allows for easier tracking.

In the tracking system according to another aspect, the transition may be a transition that does not go through a redirect server or an advertisement distribution provider's server. As a result, general users can directly transition to an advertising site without going through a redirect server, for example, and therefore can perform simple tracking that is highly convenient for general users. It can be said that the tracking system realizes a simple bounceless function.

In a tracking system according to another aspect, at least one processor may detect the transition based on communication from the general user side or the advertising site side when the transition occurs. This process allows transitions to be detected more reliably.

In a tracking system according to another aspect, the communication may be a communication requesting a tracking identifier. With this, by requesting a tracking identifier from the general user side or the advertising site side, it is possible to notify the transition at the same time.

In the tracking system according to another aspect, at least one processor receives advertising information regarding the selected advertisement when a general user selects an advertisement on a web page that distributes advertisements and a transition occurs. Good too. Through this process, detailed analysis and report creation regarding affiliates can be performed using the received advertising information.

In the tracking system according to another aspect, when the transition is performed, at least one processor collects identification information identifying the general user, IP address information of the general user, referrer information of the general user, or user information of the general user. Any one or more of the agent information may be received. Through this process, detailed analysis and report creation regarding affiliates can be performed using the received information.

In a tracking system according to another aspect, the identification information may be newly issued information when a transition is performed. This allows each general user to be managed more reliably, for example, for each transition.

In a tracking system according to another aspect, at least one processor may store information received when a transition occurs in association with a tracking identifier. This processing allows information to be managed more reliably.

In the tracking system according to another aspect, at least one processor may issue a new tracking identifier when the transition occurs, and may send the issued tracking identifier to the general user side or the advertising site side. With this processing, each tracking can be managed more reliably for each transition, for example.

In other aspects of the tracking system, the at least one processor may store a tracking identifier when a transition occurs and perform tracking further based on the stored tracking identifier. This process allows tracking to be managed more reliably.

In a tracking system according to another aspect, at least one processor may determine a match between a received tracking identifier and a stored tracking identifier during tracking. This process allows tracking to be managed more reliably.

In the tracking system according to another aspect, the transmitted tracking identifier is stored on the general user side or the advertising site side, and the at least one processor stores the transmitted tracking identifier on the general user side or the advertising site side when a conversion occurs. A tracking identifier may be received. This process allows tracking to be managed more reliably.

In the tracking system according to another aspect, the at least one processor may further transmit identification information identifying the general user to the general user side or the advertising site side when the transition is performed. With this process, for example, each general user can be managed more reliably for each transition.

In a tracking system according to another aspect, the transmitted tracking identifier and identification information may be stored in association with each other on the general user side or the advertising site side. This processing allows information to be managed more reliably.

In the tracking system according to another aspect, when a conversion occurs, at least one processor collects either contract information related to the conversion or identification information identifying the general user from the general user side or the advertising site side. The above information may be further received. Through this process, detailed analysis and report creation regarding affiliates can be performed using the received information.

In a tracking system according to another aspect, identification information received when a conversion occurs may not be used for tracking. The identification information is used only for reporting purposes and is not used for actual tracking determination.

[Modified example]
The present disclosure has been described above in detail based on the embodiments thereof. However, the present disclosure is not limited to the above embodiments. The present disclosure can be modified in various ways without departing from the gist thereof.

The processing procedure of the tracking method executed by at least one processor is not limited to the example in the above embodiment. For example, some of the steps described above may be omitted, or each step may be performed in a different order. Furthermore, any two or more of the steps described above may be combined, or some of the steps may be modified or deleted. Alternatively, other steps may be performed in addition to each of the above steps.

Furthermore, for example, some of the processes in the above-mentioned "system operation" may be omitted.

DESCRIPTION OF SYMBOLS 10...Tracking system, 11...Storage part, 12...Transmission part, 13...Reception part, 14...Execution part, 100...Computer, 101...Processor, 102...Main storage part, 103...Auxiliary storage part, 104...Communication control part , 105...Input device, 106...Output device, 110...Tracking program, 111...Transmission module, 112...Reception module, 113...Execution module.

Claims (17)

comprising at least one processor;
the at least one processor,
When a viewer transitions to an advertising site , the transition is detected based on the communication from the advertising site , and a tracking identifier that identifies tracking of the viewer is transmitted to the viewer or the advertising site. and send it to
When a conversion by the viewer occurs on the advertising site, receiving the tracking identifier from the viewer who sent the tracking identifier or from the advertising site;
performing tracking based on the received tracking identifier;
tracking system. The transition is a transition that does not go through a redirect server or an advertisement distribution provider's server,
A tracking system according to claim 1. the communication is a communication requesting the tracking identifier;
A tracking system according to claim 1 or 2 . The at least one processor receives advertising information regarding the selected advertisement when the transition occurs due to the viewer selecting the advertisement on a web page that distributes the advertisement.
A tracking system according to any one of claims 1 to 3 . When the transition is performed, the at least one processor collects identification information identifying the viewer, IP address information of the viewer, referrer information of the viewer, or user agent information of the viewer. receive one or more of the following,
A tracking system according to any one of claims 1 to 4 . The identification information is information newly issued when the transition is performed,
A tracking system according to claim 5 . the at least one processor stores the information received when the transition occurs in association with the tracking identifier;
A tracking system according to any one of claims 4 to 6 . The at least one processor issues a new tracking identifier when the transition occurs, and transmits the issued tracking identifier to the viewer side or the advertising site side.
A tracking system according to any one of claims 1 to 7 . the at least one processor,
storing the tracking identifier when the transition occurs;
performing the tracking further based on the stored tracking identifier;
A tracking system according to any one of claims 1 to 8 . In the tracking, the at least one processor determines whether the received tracking identifier matches the stored tracking identifier;
Tracking system according to claim 9 . The transmitted tracking identifier is stored on the viewer side or the advertising site side,
the at least one processor receives the tracking identifier stored on the viewer side or the advertising site side when the conversion occurs;
A tracking system according to any one of claims 1 to 10 . The at least one processor further transmits identification information identifying the viewer to the viewer or the advertising site when the transition is performed.
Tracking system according to any one of claims 1 to 11 . The transmitted tracking identifier and the identification information are stored in association with each other on the viewer side or the advertising site side.
Tracking system according to claim 12 . When the conversion occurs, the at least one processor further collects one or more of contract information related to the conversion or identification information for identifying the viewer from the viewer or the advertising site. receive,
Tracking system according to any one of claims 1 to 13 . the identification information received when the conversion occurs is not used for the tracking;
Tracking system according to claim 14 . A tracking method performed by a tracking system comprising at least one processor, the tracking method comprising:
When a viewer transitions to an advertising site , the transition is detected based on the communication from the advertising site , and a tracking identifier that identifies tracking of the viewer is transmitted to the viewer or the advertising site. and the step of sending it to
When a conversion by the viewer occurs on the advertising site, receiving the tracking identifier from the viewer or the advertising site that sent the tracking identifier;
and performing tracking based on the received tracking identifier. When a viewer transitions to an advertising site , the transition is detected based on the communication from the advertising site , and a tracking identifier that identifies tracking of the viewer is transmitted to the viewer or the advertising site. and the step of sending it to
When a conversion by the viewer occurs on the advertising site, receiving the tracking identifier from the viewer or the advertising site that sent the tracking identifier;
A tracking program that causes a computer to execute tracking based on the received tracking identifier.

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