KR20100042129A - System and method for providing keyword link corresponding interressting information - Google Patents

Abstract

The present invention extracts a keyword of interest from a search input word or clicked link title information in the content of a search result page or a clicked web page that a PC user searches on a search site, and links the keyword to the external site for the related keyword. The present invention relates to a system and method for providing a keyword link corresponding to interest information, wherein a client module extracts a search term or clicked link title information according to a user's search behavior on a user terminal, and includes a keyword of interest matching the keyword list DB. Searches for keywords associated with the keyword of interest in the search result page or the content of the clicked web page and provides links to the respective access web pages for these keywords.

According to the present invention, the keyword link providing system extracts a keyword of interest from a user's search term or link title information to quickly find a keyword of interest in a search result web page or content on a link web page. Since the keyword extracted from the link title information may be determined to be information that the user is interested in, the probability of the user clicking on the linked keyword may be increased.

Description

System and method for providing keyword link corresponding to the information of interest

The present invention relates to a keyword link providing system corresponding to interest information and a method thereof, and more particularly, to select an interest keyword corresponding to a commercial keyword and one or more keywords associated with the commercial keyword from a user's search term or clicked link title information, and display the keyword on the result web page. A system and method for providing a link to an external site for one or more keywords present in a.

In general, a search result page provided when a user inputs a search word in a search site includes information such as advertisement site information, news information, blog information, and web page information. Each piece of information is provided by the site and contains a link to a web page and a summary of the web page. Here, the summary information phrase of the linked web page is not linked, and a word or sentence corresponding to a keyword searched by the user is usually displayed in bold or color font. Since keyword advertisements provided on the search result pages are ads that match user's interest information, they form the mainstream of the online advertising market worldwide.

On the other hand, when a user clicks a link such as a news article to access an arbitrary web page, the content of the accessed web page does not generally include a link. Occasionally, a website that provides a web page that you access may link to a specific keyword on its own, but this is limited to that site and the commerciality that the keyword you link to is valuable to the informational site. Since the keyword is not a keyword corresponding to the user's interest information, the click rate of the user is inevitably reduced.

According to the present invention, the method for providing a link in a web page and a system therefor (Application No. 10-2003-0008670) analyzes the contents of a web page accessed by a user and applies it to a keyword matching a predetermined commercial keyword. We want to encourage users to click by providing a link to one or more URLs. However, in this case, the process of matching the content with the full commercial keyword list for the web page that is accessed is inevitable. In addition, web page loading speed may be slow. In addition, the keywords selected in this manner have a low click-through rate because they are irrelevant to the user's interest information.

The technical problem to be achieved by the present invention is to solve the limitations or necessity of the prior art as described above, by selecting a keyword of interest from the user's search word or link title information and interested in the contents of the search result page or the link web page A system and method for providing a keyword link corresponding to information of interest that provides a link to an external site for a keyword or keywords associated with one or more keywords is provided.

In order to solve this problem, according to the present invention, a client module for extracting a user's search term or clicked link title information and searching for a keyword from the contents of a search result page or a clicked link web page to provide a link to the user is provided. In addition, a keyword link providing system and method configured to select a keyword of interest and related keywords by comparing a keyword or clicked link title information with commercial keyword list information are implemented.

In other words, the present invention searches for a keyword of interest and commercially relevant interest keyword from the search term or the link title information searched by the user, and then the user's interest among the contents of the search result page or the linked web page. By providing a link to an external site by searching for keywords and related keywords, a keyword link providing system is implemented to increase the click-through rate for keywords corresponding to user's interest information.

According to an aspect of the present invention, in a system for providing a keyword link corresponding to interest information to a user, extracting a search term according to the user's search behavior on the web browser, or extracting link title information according to the user's click behavior An interest information extraction unit, a storage unit for storing the selected interest keyword and / or associated keyword and the access URL address information corresponding to the keyword and the user terminal identification code and / or the client module identification code, the search result page or the linked web page. An information processing unit for searching for a keyword of interest or a related keyword and adding a link to an external site corresponding to the searched keyword, and transmitting extracted interest information (a search term or a link title) to a keyword link providing server and receiving the keyword link providing server from the keyword link providing server. Interested keywords and / or related keywords Provided is a keyword link providing system including a module interface unit for receiving a connection URL address corresponding to each keyword.

Here, the storage unit may store an IP address given when a user accesses a predetermined affiliated site server or an information providing server using the user terminal, and a MAC address uniquely assigned to the user terminal.

The client module is downloaded from the link providing server or the affiliated site server and installed in the user terminal. The client module is automatically executed when the user terminal runs an OS or a web browser.

According to still another aspect of the present invention, in a system for providing a keyword link of interest to a user, commercial keyword list information classified by associated keywords, one or more external site access URL address information corresponding to the keyword, user terminal information, or A database server for storing and managing client module information, and interest information (search word or link title information) received from the client module are compared with commercial keyword list information to select interest keywords and / or related keywords, Provided is a keyword link providing system including a processing server for transmitting connection URL address information corresponding to a keyword to the client module together.

Here, the database server, a basic information database for storing at least one of the user terminal identification code, the identification code information of the client module installed in the user terminal, a keyword information database for classifying and storing commercial keywords by the relevant keywords, and keywords And a link address information database that stores one or more external site URL address information corresponding to each other.

According to still another aspect of the present invention, in the method for providing a link, downloading a client module from a link providing server or an affiliated site server and installing the client module in a user terminal, detecting a user's search or click activity, Extracting a link title according to a search word or a click action, transmitting the extracted search word or link title information to a keyword link providing server, a keyword of interest and / or related keyword, and an external site access URL address corresponding to each keyword Retrieving the keyword of interest and / or the related keyword and the access URL address information to the client module, and analyzing the contents of the search result page or the clicked web page to search for the keyword of interest and / or related keyword. , You'll be taken to an external site for the keywords you searched for. It provides keyword links provided comprising the steps of: providing a link.

As described above, according to the present invention, a keyword of interest of a user is selected from a search term searched by a user or link title information clicked on, and the content of the search result page or a web page clicked is transmitted to an external site with respect to the keyword of interest and / or related keywords. By providing a link to access, not only the user's clickthrough rate can be increased for commercial keywords in the web page's contents, but also the web page contents are selected by selecting keywords of interest from search terms or link titles before analyzing the web page contents. This makes it much easier to search for keywords in the system, minimizing the impact on the system of the user's PC.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding other components unless specifically stated otherwise. In addition, the terms “… unit”, “… unit”, “… module” described in the specification mean a unit that processes at least one function or operation, which may be implemented by hardware or software or a combination of hardware and software. Can be.

Now, a keyword link providing system and method corresponding to interest information according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram illustrating a network connection relationship of a keyword link providing system corresponding to interest information according to an exemplary embodiment of the present invention.

As illustrated in FIG. 1, a keyword link providing system (hereinafter referred to as a keyword link providing server) 100 corresponding to a search word or a clicked title of a link according to an embodiment of the present invention may include a plurality of keywords. It is connected to the client module 500 (shown in FIG. 2) and the servers 400-1 to 400-m of a plurality of affiliated sites through the user terminals 300-1 to 300-n and the network 200. .

In other words, the keyword link providing server 100 is connected to a plurality of user terminals 300-1 to 300-n through a network 200 including all wired and wireless networks such as the Internet, a wireless communication network, and a future network. In addition, it may be connected to a predetermined affiliated site server (400-1 ~ 400-m) affiliated to download the client module 500 according to an embodiment of the present invention through the network 200.

The keyword link providing server 100 stores the commercial keyword list information and the access URL address list information of the external site corresponding to the keyword, and retrieves the keyword of interest and / or related keyword from the interest information (search term or the title of the clicked link). It selects and transmits the external site access URL address information corresponding to each keyword to the client module 500.

The user terminals 300-1 to 300-n are communication devices that can transmit and receive data by connecting to the keyword link providing server 100 through the network 200. For example, the user terminals 300-1 to 300-n may be connected to the network 200 by wire. It can be a wired terminal including a computer, a TV capable of accessing the Internet, or the like, or a wireless terminal including a mobile phone, a PDA, or the like, which can be wirelessly connected to the network 200.

In addition, the user terminals 300-1 to 300-n may include a client module 500 for extracting a search word that may be extracted from a search action performed on the terminal and link title information that may be extracted from a click or click-like action ( 2).

Here, for convenience of description, the term "search term" or link title information is collectively referred to as "interest information". In addition, the client module 500 provides a link for searching for a keyword of interest and / or an associated keyword among the contents of the search result web page or the clicked web page and connecting to an external site for each keyword.

The affiliated site servers 400-1 to 400-m cooperate with the keyword link providing server 100 to mount the client module 500 as the user terminals 300-1 to 300-n on the network 200. It may be a site that provides a program, a site that simply provides an advertisement space to download the client module 500, or may be an advertiser's site corresponding to the keyword of interest.

Meanwhile, the client module 500 (shown in FIG. 2) may be downloaded and installed from the keyword link providing server 100 to the user terminals 300-1 to 300-n through various paths, and provides keyword links. In addition to the server 100, it may be provided to the user terminals 300-1 to 300-n from the affiliated site servers 400-1 to 400-m. In addition, the client module 500 is automatically executed together with the driving of the user terminals 300-1 to 300-n, and is mounted in other programs such as a messenger, a web browser, a toolbar, a music player, and the like.

The client module 500 may also be referred to as a client program, extracts a search word input according to all search actions performed on the user terminals 300-1 to 300-n, and clicks a link title (ie Extract the title of the page which is linked, and transmit it to the keyword link providing server, and receive the keyword of interest and / or related keyword and the corresponding external site access URL address information from the keyword link providing server, and then search the site or clicked link. A search for a keyword of interest and / or an associated keyword among contents of a web page is provided to provide a link to an external site corresponding to each keyword.

In addition, the client module 500 may be automatically executed at the same time as the operating system (OS) of the user terminals 300-1 to 300-n is driven, or a messenger, a music player, a multimedia player, a P2P program, a mini homepage, a web browser, It is installed on the toolbar and automatically executed when the user logs in. If the OS of the user terminals 300-1 to 300-n or the web browser is implemented to be automatically executed when the web browser is started, the client module 500 searches for the user even if the user does not directly run the client module 500. By extracting interest information according to an action or a click action, a link for accessing an 'interest keyword' and / or 'associated keyword' from the contents of the web page to an external site may be provided.

2 is a view showing in detail the structure of a client module according to an embodiment of the present invention.

As illustrated in FIG. 2, the client module 500 includes an interest information extracting unit 510, an information processing unit 520, a module interface unit 530, and a storage unit 540. 1-300-n) extract interest information according to a user's search behavior or click-like behavior including clicks, and transmit it to the keyword link providing server and analyze the contents of a search result web page or clicked link web page. A web page including a link is searched to search for a keyword of interest and / or a related keyword to access an external site corresponding to each keyword.

The interest information extracting unit 510 extracts interest information according to various web site use actions performed on a web browser, that is, extracts a search word according to a user's search action performed on the user terminals 300-1 to 300-n. According to the click action of the user, the title information of the clicked link is extracted.

The information processing unit 520 analyzes the contents of the search result web or the clicked link web page, searches for a keyword of interest and / or related keywords, and includes a web page including a link to an external site corresponding to each keyword. to provide.

The module interface unit 530 transmits the interest information extracted by the interest information extraction unit 510 to the keyword link providing server 100, and retrieves the keyword of interest and / or related keyword information from the keyword link providing server 100. External site access URL address information corresponding to each keyword is received and stored in the storage unit 540.

The storage unit 540 stores the keyword of interest and / or associated keyword received from the keyword link providing server and external site access URL address information corresponding to each keyword. At least one of a user terminal identification code, a module identification code is stored.

Here, the storage unit 540 may temporarily store and then automatically delete the keyword of interest and / or the related keyword and the external site access URL address information corresponding to each keyword.

In more detail, the storage unit 540 stores predetermined information or user terminal related information provided to the client module 500. For example, when the client module 500 is downloaded from a predetermined affiliate site server 400-1 to 400-m or the keyword link providing server 100, a predetermined identification code is given to the client module 500. The identification code is stored and managed. In this case, the identification code may be referred to as a 'module identification code', and the module identification code may be used as an identification code for a user who performs a predetermined search and / or click action. Therefore, it can be seen that the user can be identified based on the module identification code without the user having to go through an authentication process such as logging in to a predetermined affiliate site server 400-1 to 400-m or the keyword link providing server 100. .

In addition to the module identification code, an IP address given when the user terminals 300-1 to 300-n access the predetermined affiliated site server 400-1 to 400-m or the information providing server 100, and the user. MAC addresses uniquely assigned to the terminals 300-1 to 300-n may be stored.

3 is a detailed structural diagram of a keyword link providing server according to an exemplary embodiment of the present invention.

As shown in FIG. 3, the keyword link providing server 100 connected to the user terminals 300-1 to 300-n and the network 200 is connected to the user terminals 300-1 to 300-n ( That is, the client terminal 500 receives the interest information, compares the keyword list information with the keyword of interest, selects the keyword of interest and / or the related keyword, and connects the user terminal with the external site access URL address information corresponding to each keyword. 1 to 300-n) (i.e., the client module 500), the processing server 110, commercial keyword information, external site access URL address information corresponding to the keyword, and an external site (which may be an advertiser). And a database server 210 that stores and manages information.

The processing server 110 may be configured to include a keyword of interest and / or an associated keyword and respective keywords from the module interface unit 111 that performs information transmission and reception with the client module 500 and the interest information provided from the client module 500. And an information processor 112 for searching and transmitting corresponding external site access URL address information to the client module 500.

The module interface unit 111 receives interest information (a search term or a clicked link title) from the user terminals 300-1 to 300-n (that is, the client module 500), and retrieves the information from the information processing unit 112. Keywords of interest and / or related keywords and access URL information corresponding to each keyword are transmitted to the user terminals 300-1 to 300-n (that is, the client module 500).

The information processing unit 112 compares the interest information (search word or clicked link title) received from the user terminals 300-1 to 300-n (ie, the client module 500) with the keyword information database 122. The user terminal 300-1 to 300- is selected together with the keyword of interest and / or the related keyword by selecting the keyword of interest and the related keyword and searching the access site link URL address corresponding to each keyword from the link address information database 123. n) (i.e., client module 500).

The database server 120 includes a basic information database 121, a keyword information database 122, and a link address information database 123.

The basic information database 121 stores at least one of user terminal identification code information, client module identification code information installed in the user terminals 300-1 to 300-n, and external site related information corresponding to a keyword. In this case, the user terminal identification code information means IP address, MAC address, etc. as the user terminal information. In addition, the information related to the advertising site includes a site name, a site URL address, a site identification code.

The keyword information database 122 stores a list of commercial keywords, and the keywords may be classified and stored by highly related keywords. For example, Porsche, BMW and Honda are car brands that can be included in car groups along with car-related keywords.

The link address information database 123 stores external site URL address information corresponding to a keyword, and the external site may be, but is not limited to, a search result page of an advertiser site or a search site corresponding to the keyword. .

In addition, the link address information database 123 may store one or more external site URL address information corresponding to one keyword, and may be stored with a ranking given to the external site URL address.

It is to be understood that the structure of the keyword link providing system corresponding to the interest information according to the embodiment of the present invention having the above-described configuration is classified according to the processing function and is not limited to the above. For example, when a company operating the keyword link providing server 100 according to an embodiment of the present invention operates a site that distributes a client module by itself, affiliated site servers 400-1 to 400-m may be used. It may be implemented in a form included in the keyword link providing server 100.

Hereinafter, a keyword link providing method according to an exemplary embodiment of the present invention will be described in detail with reference to FIG. 4.

4 is a flowchart illustrating a method of providing a link to a keyword corresponding to interest information according to an exemplary embodiment of the present invention.

First, a user provides a server (i.e., a keyword link providing server 100, or an affiliated site server 400-1 to 400-m) that provides a client module 500 through the user terminals 300-1 to 300-n. After requesting to download the client module, the information providing server 100 (or affiliated site servers 400-1 to 400-m) connects the client module 500 to the user terminals 300-1 to. 300-n).

Accordingly, the user terminals 300-1 to 300-n download the client module 500 from the keyword link providing server 100 (or affiliated site servers 400-1 to 400-m), and download the corresponding client module 500. The received client module 500 is installed (S111).

Thereafter, when the user performs a search or click action on the web browser through the user terminals 300-1 to 300-n (S112), the client module 500 detects the user's search or click action. A search term that may be extracted from the user's search activity on the web site or link title information that may be extracted from the user's click activity is extracted (S113).

Thereafter, the client module 500 transmits the search word or link title information (ie, interest information) extracted in the above-described step S113 to the keyword link providing server 100 (S114), and the keyword link providing server 100 transmits the interest. The information is received and collated with the keyword information database 122 (S115). If there is a matching keyword of interest (S116), the keyword related information is additionally searched from the keyword information database 122 (S117) and the external site URL address corresponding to the keyword of interest and / or the related keyword is searched from the link address information database 123. Search (S118).

Thereafter, the keyword link providing server 100 transmits the keyword of interest and / or the related keyword and the external site access URL address information corresponding to each keyword to the client module 500 (S119).

Accordingly, the client module 500 receives the keyword of interest and / or the related keyword and the external site access URL address corresponding to each keyword from the keyword link providing server 100 (S120) and the search result page or the clicked link web. The content of the page is analyzed to search for a keyword of interest and / or an associated keyword (S121), and a web page including a link to an external site corresponding to the keyword is provided (S122).

When the user clicks the linked keyword (S123), a web page of an external site corresponding to the keyword is linked (S123).

5 is an exemplary diagram illustrating a process of providing a link to a keyword of interest and / or related keywords on a web page when an article of 'Selecting Global 100 Brands of Hyundai Motors for 4 consecutive years' is clicked.

As shown, when the user clicks on the article 'Selecting Global 100 Brands for Hyundai Motors for 4 consecutive years', the client module 500 extracts the clicked link title information (S113) and sends it to the keyword link providing server 100 ( S114) The keyword link providing server 100 selects the keyword of interest 'Hyundai' in contrast to the keyword information DB 122 (S116) and identifies related keywords that are classified into the same group of keywords 'Hyundai' and 'car brand'. Search for 'Porsche', 'Lexus', 'Ferrari' (S117) and search the external site access URL address information corresponding to each keyword from the link address information DB (S118).

Then, the keyword link providing server 100 provides the keyword of interest, the associated keyword, and the access URL address information corresponding to each keyword, for example, 'Hyundai-www.hyundaimotor.co.kr', 'Porsche-www.porche.co. kr ',' lexus-www.lexus.co.kr ',' Ferrari-www.ferrari.co.kr 'information is transmitted to the client module 500 (S119) the client module 500 or the search results page Links to analyze the contents of the clicked web page, search for 'Hyundai', which is the keyword of interest, and 'Porsche', 'Lexus,' and 'Ferrari', which are related keywords (S121), and connect to the external site corresponding to each keyword. Provide a web page including a (S122).

6 is an exemplary view of a screen before providing a link to a 'car' search result page in Naver.

FIG. 7 is a diagram illustrating a screen after providing a link to a keyword 'car' which is a keyword of interest in a 'car' search result page of Naver according to an exemplary embodiment of the present invention.

FIG. 8 is an exemplary diagram illustrating a scene where a user clicks on a linked keyword 'car' on a web page to connect to an advertiser site corresponding to the keyword 'car' according to an embodiment of the present invention.

FIG. 9 is an exemplary diagram illustrating a scene in which a link is provided to a keyword 'car' among the contents of a linked web page when a link title is clicked according to an exemplary embodiment of the present invention.

As described above, the keyword link providing method corresponding to the interest information according to the exemplary embodiment of the present disclosure may include a keyword of interest or a title of a link that may be determined as interest information of the user with respect to content in a search result page or a clicked web page. The user can increase the click rate from the user by providing a link to the advertiser's site by selecting from the keyword, and selecting a keyword to provide a link to the content of the web page from the search word or the link title information in advance. As in the embodiment of the method of providing a link on the page and a system therefor '(Application No. 10-2003-0008670), it is possible to minimize the performance degradation of the system caused by matching the content of the web page with all commercial keywords.

In the above-described embodiment of the present invention, a client module is installed in a user's terminal to select a keyword of interest and / or an associated keyword from a user's search term or a link title in association with the corresponding client module, and a search result page or a clicked link web page. The system and method for analyzing a content of an image and searching for a keyword of interest and / or related keyword to provide a link to an external site corresponding to each keyword have been described.

However, embodiments of the present invention are not implemented only through the above-described apparatus and / or method, but implemented through a program for realizing a function corresponding to the configuration of the embodiment of the present invention, a recording medium on which the program is recorded, and the like. Such implementations may be readily implemented by those skilled in the art to which the present disclosure pertains based on the description of the above-described embodiments.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

1 is a network connection diagram of a keyword link providing system according to an exemplary embodiment of the present invention.

2 is a detailed structural diagram of a client module according to an embodiment of the present invention.

3 is a structural diagram of a keyword link providing server according to an exemplary embodiment of the present invention.

4 is a flowchart illustrating a keyword link providing method according to an exemplary embodiment of the present invention.

5 is an exemplary diagram illustrating a process of providing a link to a keyword of interest and / or a related keyword on a web page when a link title is clicked according to an exemplary embodiment of the present invention.

6 is an exemplary view of a screen before providing a link to a 'car' search result page in Naver.

FIG. 7 is a diagram illustrating a screen after providing a link to a keyword 'car' which is a keyword of interest in a 'car' search result page of Naver according to an exemplary embodiment of the present invention.

8 is an exemplary diagram illustrating a scene where a user clicks on a linked keyword 'car' on a search result page to be connected to an advertiser site corresponding to the keyword 'car' according to an embodiment of the present invention.

FIG. 9 is an exemplary diagram illustrating a scene in which a link is provided to the keyword 'car' among the contents of the linked web page when the link title is clicked according to an exemplary embodiment of the present invention.

Claims (15)

In a system for providing a link to a user terminal, An interest information extraction unit for extracting a search term according to a user's search behavior on a web browser, or extracting a link title according to a user's click or click-like behavior, A module interface unit which transmits search word or link title information extracted by the interest information extraction unit and receives corresponding keyword and access URL address information corresponding thereto; A storage unit which stores the keyword of interest and access URL address information received from the module interface unit, and An information processing unit that searches for a keyword of interest among the contents of a search result page or a clicked link web page and provides a link to an external site corresponding to the keyword of interest. Keyword link providing system comprising a. The method of claim 1, The storage unit, And a keyword link providing system for automatically deleting a keyword of interest and access URL address information received by the module interface unit from a keyword of interest on a search result page or a clicked link web page. The method of claim 1, The storage unit, And a keyword link providing system for automatically deleting a keyword of interest and access URL address information received by the module interface unit at the same time as the user exits the web browser. The method of claim 1, The storage unit, And storing the identification code of the user terminal or assigning and storing a predetermined identification code for the client module when the client module is downloaded and installed in the user terminal. The method of claim 1, The storage unit, A keyword link providing system for storing an IP address given when a user accesses a predetermined affiliated site server or a keyword link providing server by using the user terminal, and a MAC address uniquely assigned to the user terminal. In a system for providing a link to a user terminal, A database server that stores and manages commercial keyword list information, external site access URL address list information corresponding to the keyword, and A processing server that selects a keyword of interest by comparing the user's interest information received from the user terminal with keyword list information, retrieves an external site access URL address corresponding to the keyword from the link address list, and transmits the keyword to the user terminal along with the keyword of interest. Keyword link providing system comprising a. The method of claim 6, The database server, A keyword information database that stores commercial keyword list information, A basic information database for storing at least one of a user terminal identification code, an identification code of a client module installed in the user terminal, advertiser-related information, and link address information for storing one or more external site access URL address information corresponding to each keyword. Database Keyword link providing system comprising a. The method of claim 7, wherein The keyword information database is a keyword link providing system for classifying and storing related keywords into groups. The method of claim 6, The processing server, A keyword link providing system that selects a keyword of interest from a search term or a title of a clicked link, further searches for related keywords belonging to the same group as the keyword of interest, and transmits the keyword to the client module along with the access URL address corresponding to each keyword. In a system that provides a link, Extracts a search term according to a user's search behavior on a user terminal or a link title according to a user's click or click-like behavior and transmits it to a keyword link providing server and searches for a keyword of interest and / or related keyword received from the keyword link providing server. A client module which searches among the contents of the result page or the clicked link web page and provides the searched keyword with a link to an external site corresponding to each keyword; and Stores commercial keyword list information and external site access URL address information corresponding to the keyword, selects the interest keyword by comparing the interest information received from the client module with the keyword list information, and access URL address corresponding to the interest keyword from the link address information database. Keyword link providing server for searching for and sending to the client module Keyword link providing system comprising a. The method of claim 10, The client module, The information providing system is downloaded from the link providing server or affiliated site server and installed in the user terminal, and automatically executed when the user terminal is running an OS or a web browser. The method of claim 10, The keyword link providing server, A keyword link providing system that searches for related keywords classified into the same group in addition to keywords of interest. In a method for providing a link, Downloading a client module from a keyword link providing server or an affiliate site server and installing the client module in a user terminal; Detecting a search or click activity of a user and extracting a title of a link based on a search term or a click action based on the search action, Transmitting the extracted search word or link title information to a keyword link providing server; Selecting keywords that interest you by matching search term or link title information against your keyword list, Retrieving external site access URL address information corresponding to the keyword of interest; Transmitting the keyword of interest and the access URL address information to the client module; Searching for keywords of interest by analyzing the content of a search results page or a clicked link web page, Providing a link to an external site for a searched keyword of interest Keyword link providing method comprising a. The method of claim 13, The method of claim 1 further comprising the step of further selecting a related keyword included in the same classification code as the keyword of interest. The method of claim 13, And analyzing the contents of the search results page or the clicked link web page to further search for related keywords in addition to the keywords of interest to provide external site links corresponding to the respective keywords.

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