JP7203218B2 - Web accessibility and openness evaluation method and apparatus - Google Patents

Description

An embodiment according to the concept of the present invention relates to a web accessibility and openness evaluation method and apparatus, and in particular, web accessibility and openness monitoring how a website guarantees web accessibility and openness and automatically recommends improvements. It relates to an openness evaluation method and apparatus.

Web accessibility means ensuring that people with disabilities, the elderly, etc. can access and understand information provided on websites on the same level as healthy people. Due to the gradual application of the Disability Discrimination Act, since April 2013 all public institutions and corporate businesses have been required to comply with web accessibility .

Web openness means that users can access and use information published on the Web without any restrictions. Web openness is used for the purpose of freely publishing and sharing website information to increase information transparency.

Therefore, there is a need to assess whether a website does a good job of ensuring web accessibility and web openness. A great deal of time and money is required for human evaluation of web accessibility and web openness. Also, it is very difficult for a person who does not have programming knowledge to modify a website so that it meets the criteria for the evaluation items of web accessibility and web openness. Therefore, there is a method for automatically evaluating the accessibility and openness of a website, and a method that enables even a person who does not have programming knowledge ability to easily make a website meet the evaluation criteria for web accessibility and web openness. A method that can be corrected to

The technical problem to be solved by the present invention is to automatically monitor whether the criteria for web accessibility and web openness evaluation items are met, so that anyone can easily meet the criteria for web accessibility and web openness evaluation items. To provide a web accessibility and openness evaluation method and apparatus for recommending improvements so that the website can be modified as follows.

A method for diagnosing web accessibility and openness according to an embodiment of the present invention includes a receiving step of accessing a URL of a website to receive a source code of the website, and an evaluation item for evaluating web accessibility or web openness. an analysis step of analyzing the source code according to criteria; and determining whether a source code list containing recommended source codes for meeting the criteria of the evaluation item exists in a database when the source code does not meet the criteria of the evaluation item. and a transmitting step of transmitting the source code listing to a client when the source code listing is in the database.

The receiving step comprises: accessing the URL of the website and measuring the traffic of the website; and belonging the website to one of a plurality of traffic groups according to the measured traffic. and determining whether the

The plurality of traffic groups may be classified by website traffic.

The step of analyzing the source code includes classifying the evaluation items into a plurality of evaluation groups, and when the website belongs to a first traffic group having relatively the highest traffic among the plurality of traffic groups, analyzing the source code according to criteria of items belonging to any one of the plurality of evaluation groups.

When the source code meets the criteria of evaluation items belonging to any one of the evaluation groups, the source code may not be further analyzed according to the criteria of evaluation items belonging to other evaluation groups among the plurality of evaluation groups. can.

An additional operation of analyzing the source code according to criteria of evaluation items belonging to other evaluation groups among the plurality of evaluation groups when the source code does not meet criteria of evaluation items belonging to any one of the evaluation groups. can be carried out.

The plurality of evaluation groups may be classified according to the frequency with which errors frequently occur.

The source code list includes at least one or more of the recommended source codes, and the recommended source codes are codes modified by clients of other websites.

According to an embodiment, the web accessibility and openness evaluation method comprises receiving directly modified source code from the client; storing the directly modified source code in the database and updating the source code list; can further include

A web accessibility and openness evaluation apparatus according to an embodiment of the present invention includes a receiving module that accesses a website URL to receive a website source code, criteria for evaluation items for evaluating web accessibility or web openness. an analysis module for analyzing the source code by and, when the source code does not meet the criteria of the evaluation item, determining whether there is a source code list in the database containing recommended source code for meeting the criteria of the evaluation item. , and a transmission module for transmitting the source code listing to a client when the source code listing is in the database.

The source code list includes at least one of the recommended source codes, and the recommended source codes are codes modified by clients of other websites.

The directly modified source code is included in the source code list when directly modified source code is received from the client without receiving a selection signal for selecting the recommended source code from the client.

The web accessibility and openness evaluation method and apparatus according to the embodiment of the present invention automatically diagnoses whether the criteria for web accessibility and openness evaluation items are met, and recommends improvements at the program source code level. It has the effect that anyone can easily modify the website so that it meets the standards of web accessibility and web openness evaluation items.

A detailed description of each drawing is provided in order to better understand the drawings cited from the detailed description of the invention.

1 shows a block diagram of a web accessibility and openness rating system according to an embodiment of the invention; FIG. 2 is a diagram showing a web page, a source code of the web page, and a recommended source code for explaining the operation of the server illustrated in FIG. 1; FIG. FIG. 2 is a diagram showing a portion of the web page shown in FIG. 1; FIG. FIG. 2 shows a flow chart for explaining the operation of the web accessibility and openness evaluation system shown in FIG. 1; FIG.

Any specific structural or functional descriptions of embodiments of the inventive concepts disclosed herein are provided solely for purposes of describing the inventive concepts of the embodiments. However, embodiments consistent with the inventive concept may be embodied in many different forms and are not limited to the embodiments set forth herein.

Since embodiments according to the concept of the present invention can be modified in various ways and can have various forms, embodiments are illustrated in the drawings and described in detail herein. However, this is not intended to limit embodiments of the inventive concept to any particular disclosed form, but includes all modifications, equivalents, or alternatives falling within the spirit and scope of the invention. .

Although terms such as first or second may be used to describe various components, said components should not be limited by said terms. Said terms may be used only for the purpose of distinguishing one component from another, e.g. without departing from the scope of rights of the inventive concept, the first component may be named the second component, and similarly the second component. The two components can be named the first component.

When a component is referred to as being "coupled" or "connected" to another component, it may be directly linked or connected to the other component. , there may be other components in between. Conversely, when a component is referred to as being "directly coupled" or "directly connected to" another component, it should be understood that there are no other components in between. Other expressions describing relationships between components, such as "between" and "immediately between" or "adjacent to" and "directly adjacent to" should be interpreted similarly. .

The terminology used herein is merely used to describe particular embodiments and is not intended to be limiting of the invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. As used herein, terms such as "including" or "having" are intended to specify that the recited feature, figure, step, act, component, component, or combination thereof is present. does not preclude the presence or addition of one or more other features, figures, steps, acts, components, parts or combinations thereof. .

Unless defined otherwise, all terms, including technical or scientific terms, used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. represents Terms as defined in commonly used dictionaries are to be construed to have a meaning consistent with the meaning they have in the context of the relevant art, unless expressly defined herein as ideal or not be interpreted in an overly formal sense.

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will now be described in detail by describing preferred embodiments thereof with reference to the accompanying drawings.

FIG. 1 shows a block diagram of a web accessibility and openness rating system according to an embodiment of the invention.

Referring to FIG. 1, the web accessibility and openness evaluation system 100 includes a server 10, websites (20-1, 20-2, or 20-N; N is a natural number), and clients (30-1, 30-2 , or 30-M; M is a natural number). The web accessibility and openness evaluation system 100 is a system for diagnosing whether the website 20-1, 20-2, or 20-N meets the criteria of each evaluation item for evaluating accessibility or openness. be.

Server 10, website 20-1, 20-2, or 20-N, and client 30-1, 30-2, or 30-M can communicate over a network. The number of web sites 20-1, 20-2, or 20-N and the number of clients 30-1, 30-2, or 30-M may vary from embodiment to embodiment.

The server 10 is a device for diagnosing whether the website 20-1, 20-2, or 20-N meets the criteria of each evaluation item for evaluating web accessibility and openness. Server 10 includes receiving module 11 , analysis module 13 , transmission module 15 and database 17 .

The evaluation items for evaluating web accessibility are the provision of appropriate alternative text, the presence or absence of subtitles, the provision of clear instructions, the provision of text instructions, the brightness contrast of text content, the prohibition of automatic playback, and the use of mouse/keyboard. include usage guarantees, shifting focus, skipping repetitive regions, providing titles, appropriate link text, displaying base language, performing on user request, structuring tables, providing labels, preventing markup errors, or complying with web application accessibility can be done.

In addition, evaluation items for evaluating web openness may include search engine access blocking, search engine exclusion declaration, specific page access blocking, information collection refusal by page, blocking by applying new technology, or URL blocking by page. can.

The term "module" as used herein may mean a functional or structural combination of hardware for implementing technical ideas according to embodiments of the present invention and software for driving the hardware. For example, the module may mean a logical or functional unit of predetermined program code and hardware resources for executing the program code, and may mean physically connected program code or a single type of program code. It does not imply hardware.

The receiving module 11 accesses the URL of the website 20-1 and receives the information from the website 20-1 in order to diagnose whether the website 20-1 meets the criteria of evaluation items for evaluating web accessibility and web openness. 1 source code is received. A website 20-1 includes a plurality of web pages 21, and each of the plurality of web pages 21 is embodied in source code.

According to an embodiment, the receiving module 11 accesses the URL of the website 20-1, measures the traffic of the website 20-1, and classifies the website 20-1 among the plurality of traffic groups according to the measured traffic. It can be determined whether it belongs to any one traffic group.

The plurality of traffic groups may be classified by website traffic. For example, the plurality of traffic groups may be classified into a first traffic group with relatively highest traffic, a second traffic group with medium traffic, and a third traffic group with relatively low traffic. The number of traffic groups classified by embodiment may vary. The plurality of traffic groups can be separated by arbitrary traffic.

The analysis module 13 analyzes the source code according to criteria of evaluation items for evaluating web accessibility or web openness. For example, the analysis module 13 analyzes the source code according to appropriate alternative text provision criteria in order to diagnose whether an appropriate alternative text is provided among evaluation items for evaluating web accessibility .

When the source code meets the criterion of the evaluation item, the analysis module 13 classifies and stores the source code as a recommended source code according to the type of the evaluation item in the database 17 . For example, among the evaluation items, the source code related to table configuration is stored in the source code list SCL1, the source code related to label provision among the evaluation items is stored in the source code list SCL2, and among the evaluation items, the source code is stored in the source code list SCL2. Source code related to web application accessibility can be stored in a Source Code List (SCLR; R is a natural number).

When the source code does not meet the criteria of the evaluation item, the analysis module 13 generates a source code list containing recommended source codes (SC1, SC2, .. or SCK, K is a natural number) to meet the criteria of the evaluation item. Determine if SCL1 is in database 17. Recommended source code SC1, SC2, . . Or the SCK is code modified by another client (eg 30-2 or 30-M) of another website (eg 20-2 or 20-N).

Recommended source code SC1, SC2, . . Alternatively, the SCK is stored in the database 17 in the form of a source code list SCL1 according to the types of evaluation items for evaluating web accessibility and web openness. For example, the first recommended source code SC1, the second recommended source code SC2, and the third recommended source code SC3 may belong to the source code list SCL1 that includes source codes related to table configuration among the evaluation items. According to an embodiment, the fourth source code SC1-1 may belong to the source code list SCL2 including the source code related to label provision among the evaluation items, and the fifth source code SCR-1 may belong to the web application accessibility among the evaluation items. may belong to a source code list SCLR containing the source code that has been created.

The analysis module 13 can extract at least one keyword from the source code. Specifically, the analysis module 13 analyzes the website 20-1, 20-2, or 20-N according to any one criterion of evaluation items for evaluating web accessibility , and according to the analysis result, the evaluation item Among the words related to any one of them, words having a threshold value or more may be extracted, and at least one of the extracted words may be defined as the keyword. For example, the keyword may be "button", "floating", "floating", "table", "title", or "img".

The analysis module 13 applies the extracted keywords to a plurality of source code lists (SCL1, SCL2, .. and SCLR) stored in the database 17 according to the types of evaluation items for evaluating web accessibility and web openness; ) and extract the matching source code listing (eg, SCL1).

When the source code list SCL1 is in the database 17, the transmission module 15 transmits the source code list SCL1 to the client 30-1. Specifically, the transmission module 15 sends a source code list SCL1 including a plurality of source codes (SC1, SC2, . . . and SCK, K is a natural number) that conforms to the web accessibility or web openness evaluation criteria to the client. 30-1. The order of the plurality of source codes (SC1, SC2, .. and SCK, K is a natural number) can be arranged from top to bottom in the order of the number of managers who selected the source codes. For example, multiple source codes SC1, SC2, . . and SCK, the source code SC1 is arranged at the top when the number of administrators who have selected the source code SC1 is the largest.

FIG. 2 is a diagram showing a web page, a source code of the web page, and a recommended source code for explaining the operation of the server shown in FIG.

1 and 2, drawing number 51 indicates a portion of web page 21 that constitutes website 20-1. Since "ABC" (51) has a link, when the user clicks "ABC" (51), it will move to another site (eg, previous page). Appropriate text alternatives are provided for evaluation items for evaluating web accessibility . "ABC" (51) is provided on web page 21 as an image rather than as text. A general user can recognize the text "ABC" by looking at "ABC" (51) even if it is provided as an image. ABC" will not be recognized.

Drawing number 53 shows the source code of the current web page 21 . The source code 53 of the current web page 21 alone would not allow a blind person to recognize the text "ABC".

Analysis module 13 determines that source code 53 does not meet the criteria of the evaluation item of providing appropriate alternative text, so source code list 59 containing recommended source code (55 or 57) to meet the criteria of the evaluation item is Determine if it exists in the database 17 . The recommended source code (55 or 57) is code modified by another client (eg 30-2 or 30-M) of another website (eg 20-2 or 20-N).

Although the source code list 59 is illustrated in the form of a table in FIG. 2, the source code list 59 may be provided in various forms according to embodiments.

FIG. 3 is a diagram showing a portion of the web page shown in FIG. 1. Referring to FIG.

1 and 3, the analysis module 13 performs preprocessing operations on the web page 21 illustrated in FIG. 3 to determine the presence or absence of alternative text for the image. Text alternatives for images (eg, elephants) must be provided in the source code for the web page 21 illustrated in FIG. However, in many cases the source code does not provide the correct alternative text for the image. For example, instead of alt text for an image, a file name for the image or alt text different from the image may be provided. The alternative text different from the image means that the image shown in FIG. 3 represents an elephant, but instead of an elephant, a rabbit is provided as an alternative text.

When the text and image of the web page 21 are converted into TTS (Text To Speech), the visually impaired person hears the image as "alternative text, image". For example, when the alternative text for the image is an elephant, the image sounds "elephant image" to the visually impaired.

The analysis module 13 searches the preprocessed web page 21 for the text image and looks for words preceding said text image. For example, the analysis module 13 searches the preprocessed web page 21 for the text "elephant image" and looks for the word (eg, elephant) that precedes the text image.

The analysis module 13 searches the preprocessed web page 21 for the image text, and if the word before the image text is not Hangul (e.g., a number or an English letter), the web page 21 searches for the image. failed to adequately provide alternative text.

The analysis module 13 analyzes how often words are repeated in the text representing the sound, for example, the analysis module 13 analyzes words found in the text of the web page 21 (e.g. elephant, zoo, nose, hand and coin). ) and arrange the words in order of frequency (eg elephant, zoo, hand, nose, coin).

The analysis module 13 determines to what order the word before the image text belongs to the words arranged in order of frequency. For example, the analysis module 13 determines that the word (eg, elephant) before the text image is the first word among the words arranged in order of frequency.

The analysis module 13 determines that the word before the text is appropriate text for the image when the word before the text of the image belongs to a certain rank or higher among the words arranged in order of frequency. For example, the analysis module 13 determines that a word (e.g., elephant) before the text of the image is ranked by a certain rank ( For example, when it belongs to the 3rd) or above, the word before the text is determined to be the appropriate text for the image.

Analysis module 13 can use methods such as those described above to determine whether an image provides suitable text alternatives.

According to an embodiment, the analysis module 13 can classify evaluation items for evaluating web accessibility or web openness into multiple evaluation groups. The plurality of evaluation groups may be classified according to the frequency with which errors frequently occur. For example, the evaluation items for evaluating web accessibility are classified into the first evaluation group, which includes the evaluation items with the relatively highest number of errors (e.g., providing appropriate alternative text, providing subtitles, etc.). providing clear instructions, providing text instructions, and contrasting textual content), a second evaluation group containing evaluation items with intermediate errors (e.g., no autoplay, mouse/keyboard use) a third group of assessments, including assessments that guarantee, move focus, skip repetitive regions, provide titles, appropriate link text, display basic language, and user-requested execution), and relatively few error-prone assessments (e.g. , table composition, label provision, markup error prevention, and web application accessibility compliance).

When the website 20-1 belongs to the first traffic group with the highest traffic among the plurality of traffic groups, the analysis module 13 selects one of the plurality of evaluation groups (for example, the first 1 evaluation group), the source code of the website 20-1 can be analyzed.

When the source code meets the criteria of the evaluation items belonging to one of the evaluation groups (for example, the first evaluation group), the analysis module 13 selects another evaluation group (for example, the second evaluation group) among the plurality of evaluation groups. The source code may not be further analyzed according to the criteria of the evaluation items belonging to the evaluation group, or the third evaluation group.

When the source code does not meet the criteria of the evaluation items belonging to one of the evaluation groups (eg, the first evaluation group), the analysis module 13 may An additional operation of analyzing the source code according to criteria of evaluation items belonging to the group) may be performed. According to yet another embodiment, when the source code does not meet the criteria of the evaluation items belonging to the other evaluation group (e.g., the second evaluation group), the analysis module 13 further evaluates the other of the plurality of evaluation groups. An additional operation of analyzing the source code according to criteria of evaluation items belonging to a group (eg, a third evaluation group) may be performed.

In general, websites 20-1, 20-2, or 20-N are likely to be better maintained the more people visit them. That is, the higher the traffic of the website 20-1, 20-2, or 20-N, the higher the probability of ensuring more web accessibility and web openness. Therefore, if the website 20-1, 20-2, or 20-N has high traffic, by selectively evaluating only some of the evaluation items for evaluating web accessibility and web openness, Accessibility and openness assessment speed can be increased.

According to an embodiment, the analysis module 13 can determine whether the source code satisfies criteria of evaluation items for evaluating web accessibility or web openness, and score it. For example, when the source code satisfies 90% or more of the items corresponding to web accessibility , the analysis module 13 assigns a web accessibility score of 90 to the website 20-1 of the source code. can be done. Depending on the embodiment, the web accessibility score or the web openness score may be given variously.

According to an embodiment, the transmission module 15 can transmit the URL of the recommended website to the client 30-1 instead of the source code list SCL1 according to the score of the web page 20-1 given by the analysis module 13. FIG. For example, if the score given to the web page 20-1 by the analysis module 130 is fairly low, the administrator who manages the website 20-1 does not care much about web accessibility or web openness, so source code list SCL1 It is difficult to impress the administrator by providing only Therefore, if the score of the website 20-1 is below an arbitrary score (for example, less than 20 points), the transmission module 15 can transmit the URL of the recommended website to the client 30-1 instead of the source code list SCL1. can. By transmitting the URL of the recommended website to the client 30-1, the administrator can be encouraged to improve web accessibility or web openness.

The recommended website is similar in field to the website 20-1 given a low score, and a site given a relatively high score (for example, 90 points or more) in web accessibility or web openness. means. For example, when website 20-1 is classified as a college site by analysis module 130, the recommended website may also be a college site. By analyzing the source code of the website 20-1 to be analyzed by the analysis module 130, it is possible to analyze what kind of site the website 20-1 is. For example, when the source code of website 20-1 contains the words "school", "university", "department", or "professor", website 20-1 is classified as a university site and website 20- 1 is stored in the database 17 in the university site category.

The database 17 can store website URLs according to web accessibility or web openness scores for each category.

A method of evaluating the web accessibility and web openness of a website 20-1, 20-2, or 20-N is to access the URL of the website 20-1, 20-2, or 20-N and It includes a receiving step of receiving source code and an analyzing step of analyzing said source code according to criteria of evaluation items for evaluating web accessibility or web openness.

Web accessibility and web openness evaluations of websites 20-1, 20-2, or 20-N are performed periodically, which may be defined as an evaluation cycle. The evaluation period may be adjusted by the analysis module 13 according to the scores of the web pages 20-1, 20-2, or 20-N given by the analysis module 13. FIG. For example, when the scores of web pages 20-1, 20-2, or 20-N are greater than or equal to a first arbitrary score (e.g., 90 or greater), the evaluation cycle is lengthened, and web pages 20-1, 20-N When the score of -2 or 20-N is less than or equal to a second arbitrary score (for example, less than or equal to 20 points), the evaluation cycle is shortened.

A client 30-1, 30-2, or 30-M is the device of an administrator managing a website 20-1, 20-2, or 20-N. For example, the first client 30-1 is the device of an administrator who manages the first website 20-1. Clients 30-1, 30-2, or 30-M can be PCs, laptops, smart phones, or tablet PCs.

The client 30-1 can select one code from the source code list SCL1 and transmit a selection signal to the server 10, or directly modify the source code and transmit the modified source code to the server 10. .

The receiving module 11 can receive a selection signal for selecting one of the plurality of source codes from the client 30-1, or receive a modified source code directly from the client 30-1.

The receiving module 11 receives a plurality of recommended source codes SC1, SC2, . . and SCK is not received and the directly modified source code is received from the client 30-1, the directly modified source code is stored in the database 17, and the directly modified source code is received from the client 30-1. The generated source code is included in the source code list SCL1. That is, the new source code is saved in the source code list SCL1 and the source code list SCL1 is updated.

FIG. 4 shows a flow chart for explaining the operation of the web accessibility and openness evaluation system shown in FIG.

1 and 4, the receiving module 11 accesses the URL of the website 20-1 and receives the source code of the website 20-1 (S10).

The analysis module 13 analyzes the source code according to criteria of evaluation items for evaluating web accessibility or web openness (S20).

When the source code meets the criteria of the evaluation items, transmission module 15 can transmit the results in the form of a report to client 30-1.

When the source code does not meet the criteria of the evaluation item, the analysis module 13 performs source code including recommended source code (SC1, SC2, .. or SCK, K is a natural number) to meet the criteria of the evaluation item. It is determined whether the list SCL1 is in the database 17 (S30).

When the source code list SCL1 is in the database 17, the transmission module 15 transmits the source code list SCL1 to the client 30-1 (S40).

While the present invention has been described with reference to one embodiment illustrated in the drawings, this is exemplary only and many modifications and equivalents will occur to those skilled in the art. It will be appreciated that other embodiments are possible. Therefore, the true technical scope of protection of the present invention should be determined by the technical ideas of the attached patent claims.

Claims (6)

a receiving phase of accessing the URL of the website and receiving the source code of the website;
accessing the URL of the website and measuring the traffic of the website;
a plurality of traffic groups, including a first traffic group with the highest relative traffic, a second traffic group with the intermediate traffic, and a third traffic group with the lowest relative traffic, according to the measured traffic; determining whether it belongs to any one traffic group among the traffic groups;
an analysis step of analyzing the source code according to criteria of evaluation items for evaluating web accessibility or web openness;
determining, when the source code does not meet the criteria of the evaluation item, determining whether there is a source code list in a database containing a recommended source code for meeting the criteria of the evaluation item;
a transmitting step of transmitting the source code listing to a client when the source code listing is in the database ;
the plurality of traffic groups are classified according to arbitrary traffic;
Analyzing the source code includes:
classifying the evaluation items into a plurality of evaluation groups according to frequency of occurrence of errors;
When the website belongs to the first traffic group having the highest traffic among the plurality of traffic groups, the source code is evaluated according to the criteria of items belonging to one of the plurality of evaluation groups. an analysis stage to analyze;
analyzing the source code according to the criteria of the evaluation items belonging to other evaluation groups among the plurality of evaluation groups when the source code does not meet the criteria of the evaluation items belonging to any one of the evaluation groups; including
When the source code meets the criteria of evaluation items belonging to any one of the evaluation groups, the source code is not analyzed further according to the criteria of evaluation items belonging to other evaluation groups among the plurality of evaluation groups. Accessibility and Openness Rating Methods. The source code listing is
including at least one or more of the recommended source code;
The recommended source code is
The web accessibility and openness evaluation method according to claim 1, wherein the code is modified by a client of another website. The web accessibility and openness evaluation method includes:
receiving modified source code directly from the client;
2. The method of claim 1, further comprising: storing the directly modified source code in the database and updating the source code list. a receiving module that accesses the website URL and receives the website source code;
Analyzing the source code according to criteria of evaluation items for evaluating web accessibility or web openness, and recommending source code to meet the criteria of the evaluation items when the source code does not meet the criteria of the evaluation items. an analysis module that determines if there is a source code listing in the database containing
a transmission module for transmitting the source code listing to a client when the source code listing is in the database ;
The receiving module accesses the URL of the website and measures the traffic of the website, and classifies the website according to the measured traffic into a first traffic group with the highest relative traffic, and with the traffic in the middle. Determining whether it belongs to any one of a plurality of traffic groups including a second traffic group and a third traffic group in which the traffic is relatively least;
the plurality of traffic groups are classified according to arbitrary traffic;
The analysis module is
Classifying the evaluation items into a plurality of evaluation groups according to the frequency of occurrence of many errors,
When the website belongs to the first traffic group having the highest traffic among the plurality of traffic groups, the source code is evaluated based on the criteria of items belonging to any one of the plurality of evaluation groups. analyze and
analyzing the source code according to the criteria of evaluation items belonging to other evaluation groups among the plurality of evaluation groups when the source code does not meet the criteria of evaluation items belonging to any one of the evaluation groups;
When the source code meets the criteria of evaluation items belonging to any one of the evaluation groups, the source code is not analyzed further according to the criteria of evaluation items belonging to other evaluation groups among the plurality of evaluation groups. Accessibility and openness evaluator. The source code listing is
including at least one of the recommended source code;
The recommended source code is
The web accessibility and openness evaluation device according to claim 4, which is code modified by a client of another website. 5. The directly modified source code is included in the source code list when directly modified source code is received from the client without receiving a selection signal for selecting the recommended source code from the client. web accessibility and openness evaluator.

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