JP2013200763A - Terminal device and collection method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a terminal device and a collection method capable of measuring effects of advertisement information.SOLUTION: A terminal device 10 includes: a web browser function part 11 for controlling a web browser to write data configuring web contents; and a recording part 13 for recording advertisement information included in the web contents in a storage area as a history of the advertisement information, when the data configuring the web contents is written by the web browser function part 11. The web browser function part transmits, to a collection server 30, the correspondence of the advertisement information visually recognized again on the basis of the history of the advertisement information and a cookie ID for identifying the web browser.

Description

  The present invention relates to a terminal device and a collection method for collecting visual data of web content.

  Conventionally, various techniques for collecting visual data of web contents have been proposed (for example, Patent Document 1). For example, a method using a measurement tag and a method using a toolbar have been proposed.

  In the method using the measurement tag, the measurement tag is embedded in the web content on the web server side. When the measurement tag embedded in the web content is executed on the web browser on the web browser side, the correspondence relationship between the cookie ID for identifying the web browser and the visual data of the web content is collected.

  In the method using the toolbar, when the web content is visually recognized by the web browser in which the toolbar is installed, the correspondence relationship between the toolbar ID for identifying the toolbar and the visual data of the web content is collected.

JP 2011-53812 A

  By the way, there are cases where advertisement information is displayed together with web content. When selection of advertisement information (for example, click of an image) is performed, advertisement web content corresponding to the advertisement information is displayed. In such a case, a technique for measuring the effect of advertisement information is desired.

  Therefore, the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a terminal device and a collection method that can measure the effect of advertisement information.

  A terminal device according to the first feature is a device for collecting visual data of web content provided from a web server. The terminal device is included in the web content when a web browser function unit that controls a web browser to which data constituting the web content is written and data constituting the web content are written by the web browser function unit A recording unit that records the advertisement information in a storage area as a history of the advertisement information. The web browser function unit transmits a correspondence relationship between the advertisement information re-viewed based on the history of the advertisement information and the cookie ID for identifying the web browser to the collection server.

  In the first feature, the re-viewing rate of the advertisement information is calculated based on the number of exposure times of the advertisement information and the number of re-exposure times of the advertisement information displayed in a format included in the web content.

  In the first feature, a re-viewing rate of the advertisement information is calculated based on the number of the web browsers into which data constituting the advertisement information is written and the number of the web browsers that perform re-exposure of the advertisement information.

  In the first feature, the terminal device includes a specific software function unit that controls specific software installed in the web browser. The specific software function unit embeds a measurement tag in data constituting the advertising web content visually recognized by a web browser in which the specific software is installed. The web browser function unit transmits the correspondence relationship to the collection server when the measurement tag embedded in the data constituting the advertising web content is executed by the web browser.

  In the first feature, the specific software function unit sets, in the specific software, a user ID that identifies a user who uses the terminal device. The web browser function unit is notified of the user ID set in the specific software. The web browser function unit transmits the re-viewed advertisement information, the correspondence relationship between the cookie ID and the user ID to the collection server.

  The collection method according to the second feature is a method for collecting visual data of web content provided from a web server. The collection method includes a step in which the web browser writes data constituting the web content visually recognized using a web browser, and advertisement information included in the web content when the data constituting the web content is written. Recording the history of the advertisement information as a history of the advertisement information in the storage area, and transmitting to the collection server the correspondence between the advertisement information re-viewed based on the history of the advertisement information and the cookie ID for identifying the web browser; Is provided.

  ADVANTAGE OF THE INVENTION According to this invention, the terminal device and the collection method which can measure the effect of advertisement information can be provided.

FIG. 1 is a diagram showing a visual inspection system 100 according to the first embodiment. FIG. 2 is a block diagram showing the terminal device 10 according to the first embodiment. FIG. 3 is a diagram illustrating an image displayed on the display unit 14 according to the first embodiment. FIG. 4 is a sequence diagram showing display of web content according to the first embodiment. FIG. 5 is a sequence diagram illustrating the collection method according to the first embodiment. FIG. 6 is a diagram illustrating information collected by the collection server 30 according to the first embodiment.

  Hereinafter, a visual inspection system according to an embodiment of the present invention will be described with reference to the drawings. In the following description of the drawings, the same or similar parts are denoted by the same or similar reference numerals.

  However, it should be noted that the drawings are schematic and ratios of dimensions and the like are different from actual ones. Therefore, specific dimensions and the like should be determined in consideration of the following description. Moreover, it is a matter of course that portions having different dimensional relationships and ratios are included between the drawings.

[Outline of Embodiment]
A terminal device according to the first feature is a device for collecting visual data of web content provided from a web server. The terminal device is included in the web content when a web browser function unit that controls a web browser to which data constituting the web content is written and data constituting the web content are written by the web browser function unit A recording unit that records the advertisement information in a storage area as a history of the advertisement information. The web browser function unit transmits a correspondence relationship between the advertisement information re-viewed based on the history of the advertisement information and the cookie ID for identifying the web browser to the collection server.

  In the embodiment, the terminal device transmits a correspondence relationship between the advertisement information re-viewed based on the advertisement information history and the cookie ID for identifying the web browser to the collection server. That is, the collection server calculates the visibility of the re-viewed advertising information (hereinafter referred to as the advertising information re-viewing rate) except for the case where the advertising information is exposed in the format included in the web content, thereby obtaining the advertising information. Can be measured.

  Here, the advertisement information is visually recognized based on the history of the advertisement information. In other words, the user can re-view advertisement information that the user has missed in the past. When advertisement information is selected (for example, when an image is clicked), advertisement web content corresponding to the advertisement information is displayed. Therefore, the viewing of the advertisement web content is synonymous with the viewing of the advertisement information. Since the advertisement information re-viewed based on the history of advertisement information is intentionally viewed by the user, “re-view of advertisement information” is very useful information.

  In addition, the re-viewing rate of the advertisement information is represented by, for example, a ratio between the number of times the advertisement information is exposed and the number of times the advertisement information is re-exposed. Alternatively, the re-viewing rate of the advertisement information is represented by a ratio between the number of web browsers that write data constituting the advertisement information and the number of web browsers that re-expose the advertisement information.

[First Embodiment]
(Visual inspection system)
The visual inspection system according to the first embodiment will be described below. FIG. 1 is a diagram showing a visual inspection system 100 according to the first embodiment.

  As shown in FIG. 1, the visual inspection system 100 includes a terminal device 10, a web server 20, a collection server 30, and a network 40.

  The terminal device 10 is a terminal such as a personal computer, a mobile phone, a television, or a car navigation. The terminal device 10 includes a web browser that allows a user to browse web content.

  In the first embodiment, the web content includes, for example, advertisement information associated with the advertisement web content. The advertising web content is a type of web content.

  The web server 20 is a server that provides various web contents. Specifically, the web server 20 transmits data (for example, HTML data, XML data, etc.) constituting the web content to the terminal device 10 via the network 40. Note that the web content may include content composed of moving images, still images, and the like.

  In the first embodiment, the web server 20 provides web content including advertisement information. Moreover, the web server 20 provides advertisement web content associated with advertisement information.

  The collection server 30 collects visual data of web content (for example, advertisement web content) displayed using a web browser. Specifically, the collection server 30 collects the correspondence between the cookie ID and the visual data. The correspondence between the cookie ID and the visual recognition data is transmitted from the terminal device 10 as will be described later.

  In the first embodiment, the correspondence relationship transmitted from the terminal device 10 to the collection server 30 only needs to include at least the correspondence relationship between the re-viewed advertisement information and the cookie ID.

  The cookie ID is identification information that identifies the terminal device 10. Specifically, the cookie ID is information for identifying a web browser provided in the terminal device 10.

  The visual data includes, for example, a contact URL, a contact date and time, a referer, and the like. The contact URL is information for identifying web content displayed using a web browser. The contact date and time is the date and time when the web content is displayed using the web browser. The referrer is information (for example, URL; Uniform Resource Locator) for identifying the web content referred to when searching the web content using the web browser.

  In the first embodiment, the visual recognition data only needs to include at least information for specifying the re-visualized advertisement information.

  The network 40 is a network that connects the terminal device 10, the web server 20, and the collection server 30. The network 40 is, for example, the Internet. Alternatively, the network 40 may include a mobile communication network.

  In the first embodiment, it should be noted that the collection server 30 collects the correspondence between the advertisement information re-viewed based on the advertisement information history and the cookie ID. Here, it should be noted that the advertisement information includes an advertisement image, a URL indicating advertisement web content, and the like.

  Here, since the advertising web content is visually recognized as the advertising information is exposed, the visual recognition of the advertising web content may be considered as visual recognition of the advertising information.

  In the first embodiment, the collection server 30 calculates the re-viewing rate of the advertisement information based on the correspondence between the re-viewed advertisement information and the cookie ID. The re-viewing rate of the advertisement information is represented by, for example, a ratio between the number of times the advertising information is exposed and the number of times the advertising information is re-exposed. Alternatively, the re-viewing rate of the advertisement information is represented by a ratio between the number of web browsers that write data constituting the advertisement information and the number of web browsers that perform re-exposure of the advertisement information (for example, the number of terminal devices 10). The

(Terminal device)
Hereinafter, the terminal device according to the first embodiment will be described. FIG. 2 is a block diagram showing the terminal device 10 according to the first embodiment. In FIG. 2, functional blocks constituting the terminal device 10 are shown. Therefore, it should be noted that the configuration of the CPU, the memory, and the like is omitted in FIG.

  As illustrated in FIG. 2, the terminal device 10 includes a web browser function unit 11, a toolbar function unit 12, a recording unit 13, and a display unit 14.

  The web browser function unit 11 controls a web browser that writes data constituting web content. Specifically, the web browser function unit 11 controls the web browser so as to write data constituting the web content (for example, HTML data, XML data, etc.) into the memory. As a result, the web content is displayed on the display unit 14.

  For example, when the advertisement information included in the web content is selected, the web browser function unit 11 controls the web browser so as to write data constituting the advertisement web content associated with the selected advertisement information in the memory. . Similarly, when the advertisement information is selected from the advertisement information history described later, the web browser function unit 11 writes the data constituting the advertisement web content associated with the selected advertisement information in the memory. Control the web browser. As a result, the advertisement web content is displayed on the display unit 14.

  In 1st Embodiment, the web browser function part 11 performs a measurement tag, when the measurement tag is embedded in the data which comprise web content (an advertisement web content is included). The measurement tag is a tag for displaying, for example, a 1 × 1 pixel transparent image (hereinafter referred to as a tracking image).

  Specifically, when the measurement tag is executed, the web browser function unit 11 transmits a tracking image request for requesting a tracking image to the collection server 30. The tracking image request includes a cookie ID and visual data. That is, the web browser function unit 11 transmits the correspondence relationship between the cookie ID and the visual data to the collection server 30. Further, the web browser function unit 11 controls the web browser so as to write the tracking image transmitted from the collection server 30 in response to the tracking image request to the buffer memory.

  The visual recognition data transmitted to the collection server 30 is transmitted when data constituting the web content is executed. In other words, the visual data transmitted to the collection server 30 is transmitted when web content is displayed on the display unit 14 using a web browser.

  The toolbar function unit 12 controls a toolbar for searching web contents. Specifically, the toolbar function unit 12 controls the toolbar so as to search for web content that matches the keyword input in the keyword input field.

  In the first embodiment, the toolbar function unit 12 embeds a measurement tag in data constituting web content viewed by a web browser in which a toolbar is installed.

  Here, the toolbar function unit 12 may manage a toolbar for each user who uses the terminal device 10. That is, the toolbar function unit 12 may set a user ID for identifying a user who uses the terminal device 10 in the toolbar.

  In such a case, the toolbar function unit 12 notifies the web browser function unit 11 of the user ID together with the data constituting the web content visually recognized by the web browser in which the toolbar is installed. The web browser function unit 11 includes the user ID in the tracking image request in addition to the cookie ID and the visual data. That is, the web browser function unit 11 transmits the correspondence relationship between the cookie ID, the user ID, and the visual data to the collection server 30.

  The recording unit 13 records the advertising information included in the web content as a history of the advertising information in a storage area (for example, a non-volatile memory) when data constituting the web content is written. That is, when the web content is displayed on the display unit 14 using the web browser, the recording unit 13 records the advertisement information included in the web content as a history of advertisement information in the storage area.

  The display unit 14 is configured by a liquid crystal display or the like and displays various images. For example, the display unit 14 displays a toolbar image 110 and a web content image 120 as shown in FIG.

  The toolbar image 110 is an image for using the toolbar. The toolbar image 110 includes, for example, a keyword input field for inputting a keyword for searching web content. The toolbar image 110 may include an icon for switching the user ID.

  The web content image 120 is an image displayed by writing data constituting the web content. The web content image 120 includes a tracking image 121. The web content image 120 may include a moving image, a still image, or the like as described above.

  In the first embodiment, the web content image 120 includes an advertisement image 130. The advertisement image 130 is an image displayed by writing data constituting web content including advertisement information.

(Web content display)
Hereinafter, the display of web content according to the first embodiment will be described. FIG. 4 is a sequence diagram showing display of web content according to the first embodiment.

  As shown in FIG. 4, in step 10, the web browser function unit 11 transmits a web content request for requesting display (or search) of web content to the web server 20.

  In step 20, the web server 20 transmits data (web content data) constituting web content including advertisement information to the toolbar function unit 12.

  In step 30, the toolbar function unit 12 transmits the web content data to the web browser function unit 11.

  In step 40, the web browser function unit 11 records the advertisement information included in the web content as a history of advertisement information in a storage area (for example, a non-volatile memory).

  In step 50, the web browser function unit 11 displays the web content image 120. Here, the web content image 120 includes an advertisement image 130.

(Collection method)
Hereinafter, the collection method according to the first embodiment will be described. FIG. 5 is a sequence diagram illustrating the collection method according to the first embodiment.

  As shown in FIG. 5, in step 110, the web browser function unit 11 displays a history of advertisement information. The advertisement information history is preferably displayed as a thumbnail of the advertisement image 130. However, the advertisement information history may be displayed as information (for example, a character string) for identifying the advertisement information. Or the history of advertisement information may be displayed as information (for example, page name or URL; Uniform Resource Locator) which identifies advertising web contents matched with advertisement information.

  In step 120, the user selects desired advertisement information from the history of advertisement information.

  In step 130, the web browser function unit 11 transmits to the web server 20 a web content request for requesting display (or search) of the advertisement web content associated with the advertisement information.

  In step 140, the web server 20 transmits data constituting the advertisement web content (advertisement web content data) to the toolbar function unit 12.

  In step 150, the toolbar function unit 12 embeds a measurement tag in the advertisement web content data.

  In step 160, the toolbar function unit 12 transmits the advertisement web content data in which the measurement tag is embedded (hereinafter, tagged advertisement web content data) to the web browser function unit 11.

  When the user ID is set on the toolbar, the toolbar function unit 12 notifies the web browser function unit 11 of the user ID together with the tagged advertisement web content data.

  In step 170, the web browser function unit 11 controls the web browser to write the tagged advertisement web content data in the buffer memory. That is, the web browser function unit 11 displays the web content visually recognized by the web browser in which the toolbar is installed on the display unit 14. Moreover, since the measurement tag is embedded, the web browser function unit 11 executes the measurement tag.

  In step 180, the web browser function unit 11 transmits a tracking image request to the collection server 30. As described above, the tracking image request includes a cookie ID and visual recognition data. That is, the web browser function unit 11 transmits the correspondence relationship between the cookie ID and the visual data to the collection server 30.

  When the user ID is set on the toolbar, the web browser function unit 11 transmits a tracking image request including the cookie ID, the user ID, and the visual data to the collection server 30. That is, the web browser function unit 11 transmits the correspondence relationship between the cookie ID, the user ID, and the visual data to the collection server 30.

  In step 190, the collection server 30 transmits the tracking image to the web browser function unit 11. The web browser function unit 11 controls the web browser to write the tracking image in the buffer memory.

  In this way, the correspondence relationship between the cookie ID and the visual data is transmitted from the terminal device 10 to the collection server 30. Therefore, the collection server 30 can collect the correspondence between the cookie ID and the visual data.

  For example, as illustrated in FIG. 6, the collection server 30 collects correspondence relationships between cookie IDs, user IDs, and visual recognition data. The cookie ID is information for identifying a web browser provided in the terminal device 10. The user ID is information for identifying a user who uses the terminal device 10.

  The visual data includes, for example, a contact URL, a contact date and time, a referer, and the like. The contact URL is information for identifying the advertisement web content displayed using the web browser. The contact date and time is the date and time when the advertisement web content is displayed using the web browser. The referrer is information (for example, URL; Uniform Resource Locator) for identifying the advertising web content referred to when searching the advertising web content using the web browser.

  As described above, the collection server 30 calculates the re-viewing rate of the advertising information based on the correspondence between the visual data of the advertising web content and the cookie ID.

  Here, the re-viewing of the advertising information does not include a case where the advertising information is exposed in a format included in the advertising web content, and the advertising information is viewed based on the history of the advertising information recorded in the recording unit 13. Means that.

  The advertisement information re-viewing rate is, for example, the number of times the advertisement information is exposed (that is, the number of times the advertisement information is transmitted to the web browser function unit 11 in S30 or the number of times the advertisement image 130 is displayed in S50) and the advertisement web. This is represented by a ratio to the number of times content is viewed (that is, the number of times the advertisement image 130 has been selected in S120). Alternatively, the re-viewing rate of the advertisement information is the number of web browsers that write data constituting the advertisement information (that is, the number of web browsers (for example, the number of terminal devices 10) that receive the advertisement information in S30, or in S50. Web browsers that display advertisement images 130 (for example, the number of terminal devices 10) and the number of web browsers that write data constituting the advertising web content (that is, web browsers that transmit web content requests in step 130 (for example, terminals) It is represented by the ratio to the number of devices 10).

  Alternatively, the re-viewing rate of the advertising information is determined by the number of times the advertising information is exposed (that is, the number of times the advertising information is transmitted to the web browser function unit 11 in S30 or the number of times the advertising image 130 is displayed in S50) and the advertising web. This is represented by a ratio to the number of times content is viewed (that is, the number of times the advertisement image 130 is displayed in S110). Alternatively, the re-viewing rate of the advertisement information is the number of web browsers that write data constituting the advertisement information (that is, the number of web browsers (for example, the number of terminal devices 10) that receive the advertisement information in S30, or in S50. The number of web browsers that display advertisement images 130 (for example, the number of terminal devices 10) and the number of web browsers that write data constituting the advertisement web content (that is, web browsers that display advertisement images 130 in step 110 (for example, terminals) It is represented by the ratio to the number of devices 10).

  Here, when the advertisement image 130 is displayed in the thumbnail format in S110, it is preferable that the advertisement image 130 is displayed more prominently as the viewing timing of the advertisement image 130 is closest. Alternatively, the priority order of the advertisement information is determined according to the user's preference, and it is preferable that the advertisement image 130 corresponding to the advertisement information is displayed more conspicuously as the priority order is higher. The conspicuous display is, for example, that the advertisement image 130 is displayed on the upper side or the advertisement image 130 is displayed in a large size.

  In such a case, when the re-viewing rate of the advertising information is calculated based on the advertising image 130 displayed in S110, the re-viewing rate of the advertising information corresponding to the advertising image 130 displayed prominently is high. The weight value may be set so as to be. The re-viewing rate of the advertisement information is calculated based on such a weight value.

(Function and effect)
In 1st Embodiment, the terminal device 10 identifies a web browser, when the data which comprise the advertisement web content matched with the advertisement information selected from the advertisement information log | history are written by the web browser. The correspondence between the cookie ID and the visual data of the advertisement web content displayed using the web browser is transmitted to the collection server. That is, the collection server 30 can measure the effect of the advertising information by collecting the visual data of the advertising web content viewed with the exposure of the advertising information.

  Here, the advertisement information is selected from the advertisement information history. In other words, the user can select advertisement information that the user has missed in the past. When advertisement information is selected (for example, when the advertisement image 130 is clicked), advertisement web content corresponding to the advertisement information is displayed. Therefore, the viewing of the advertisement web content is synonymous with the viewing of the advertisement information. Since the advertisement information selected from the advertisement information history is intentionally viewed by the user, the “review of advertisement information” is very useful information.

  In the first embodiment, the toolbar function unit 12 embeds a measurement tag in data constituting web content viewed by a web browser in which a toolbar is installed. Therefore, it is not necessary to request the web content provider to embed the measurement tag, and the correspondence between the cookie ID and the visual data can be collected. In addition, since the cookie ID is used instead of the toolbar ID when collecting the visual recognition data, it is not necessary to separately associate the toolbar ID and the cookie ID.

  That is, the correspondence between the cookie ID and the web content visual data can be collected by a simple method.

  In the first embodiment, since overlooking advertisement information is suppressed, it is possible to increase the willingness to install a toolbar that collects the correspondence relationship between the cookie ID and the visual data of the web content. Note that the advertisement information is replaced with other advertisement information in accordance with the change or reloading of the web content. Alternatively, the advertisement information is switched every predetermined time even if the web content is not changed or reloaded. Therefore, it should be noted that suppression of missing advertisement information greatly contributes to user convenience.

[Other Embodiments]
Although the present invention has been described with reference to the above-described embodiments, it should not be understood that the descriptions and drawings constituting a part of this disclosure limit the present invention. From this disclosure, various alternative embodiments, examples and operational techniques will be apparent to those skilled in the art.

  In the embodiment, the visual recognition data includes a contact URL, a contact date and time, a referer, and the like. However, the embodiment is not limited to this. The visual recognition data should just contain the contact URL at least. Alternatively, the visual recognition data may include other data.

  In the embodiment, the correspondence between the cookie ID and the visual data of the web content is collected by a method using a measurement tag. However, the embodiment is not limited to this. Another method may be used as a method for collecting the correspondence between the cookie ID and the visual data of the web content. That is, the toolbar does not necessarily have to be installed.

  Although not particularly mentioned in the embodiment, the advertisement information history is preferably a predetermined number of pieces of advertisement information included in the web content viewed most recently. The advertisement information history may be displayed according to priority. In such a case, it is preferable that a high priority is given to the advertisement information included in the web content viewed most recently. Alternatively, it is preferable that high priority is given to advertisement information with a large number of viewing times.

  In the embodiment, the history of advertisement information is recorded in a storage area (for example, a non-volatile memory) by the web browser function unit 11. However, the history of advertisement information may be recorded in a storage area (for example, a non-volatile memory) by the toolbar function unit 12. In other words, the recording unit 13 may be provided in the web browser function unit 11 or may be provided in the toolbar function unit 12.

  Although not particularly mentioned in the embodiment, the toolbar image 110 may include a button image for displaying a history of advertisement information recorded in the storage area. By clicking such a button image, a history of advertisement information is displayed.

  Although not particularly mentioned in the embodiment, the advertisement image 130 is specified as follows. For example, when the size of the image is a predetermined size, the image is specified as the advertisement image 130. The predetermined size may be known in advance from an advertisement provider or the like, or may be a general-purpose size used as an advertisement image. Alternatively, the URL associated with the image is specified by HTML analysis, and when the specified URL is an advertisement server, the image is specified as the advertisement image 130.

  DESCRIPTION OF SYMBOLS 10 ... Terminal device, 11 ... Web browser function part, 12 ... Toolbar function part, 13 ... Recording part, 14 ... Display part, 20 ... Web server, 30 ... Collection server, 40 ... Network, 100 ... Visual inspection system

Claims (6)

A terminal device for collecting visual data of web content provided from a web server,
A web browser function unit for controlling a web browser for writing data constituting the web content;
A recording unit that records advertisement information included in the web content as a history of the advertisement information in a storage area when data constituting the web content is written by the web browser function unit;
The terminal device characterized in that the web browser function unit transmits a correspondence relationship between advertisement information re-viewed based on a history of the advertisement information and a cookie ID for identifying the web browser to a collection server.   The re-viewing rate of the advertisement information is calculated based on the number of exposure times of the advertisement information and the number of re-exposure times of the advertisement information displayed in a format included in the web content. Terminal equipment.   The re-viewing rate of the advertisement information is calculated based on the number of the web browsers into which data constituting the advertisement information is written and the number of the web browsers that perform re-exposure of the advertisement information. The terminal device according to 1. A specific software function unit for controlling specific software installed in the web browser;
The specific software function unit embeds a measurement tag in data constituting the advertising web content viewed by a web browser in which the specific software is installed,
The said web browser function part transmits the said correspondence to the said collection server, when the said measurement tag embedded in the data which comprise the said advertisement web content is performed by the said web browser. The terminal device according to 1. The specific software function unit is:
A user ID for identifying a user who uses the terminal device is set in the specific software;
Notifying the web browser function unit of the user ID set in the specific software,
The terminal device according to claim 4, wherein the web browser function unit transmits the re-viewed advertisement information, the correspondence relationship between the cookie ID and the user ID to the collection server. A collection method for collecting visual data of web content provided from a web server,
The web browser writing data comprising the web content viewed using a web browser;
Recording the advertising information included in the web content in a storage area as a history of the advertising information when data constituting the web content is written;
And a step of transmitting a correspondence relationship between the advertisement information re-viewed based on the advertisement information history and the cookie ID for identifying the web browser to a collection server.

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