GB/T 47523-2026Technical specification for the age-friendliness of mobile internet applications (English PDF)

4.2 Perceptibility

4.2.1 Font size adjustment for aging In apps, sans-serif fonts are recommended, and the font size should be adjustable (either by adjusting system settings or by having built-in functionality within the app). (Font size settings options). In systems that use device-independent pixels (dp) as the pixel unit, the default setting is adaptive aging mode or single... In older versions of the app, the minimum text size should be 18 dp/pt; in systems using pixels (pt) as the unit of measurement... In the default settings, the minimum text size for main text in the age-friendly mode or a standalone age-friendly app is 18pt. (App mode change) After adjusting the font, the font in the interface should take into account both the scene and the display effect.

4.2.2 Adjusting line spacing to suit aging In the app, the line spacing within a paragraph should not be less than

1.3 times the line spacing, and the paragraph spacing should not be less than

1.3 times the line spacing. Paragraphs in the interface should also... Gu App's applicable scenarios and display effects.

4.2.3 Contrast Adjustment for Aging In an app, the contrast between text/text image rendering, icons, and other elements should not be less than 4.5.1.If the font size is greater than or equal to... At 18 dp/pt, the text/text image contrast ratio should not be less than 3.1.

4.2.4 Uses of Color In apps, text color is not the only means of distinguishing visual elements for conveying information, indicating actions, or prompting responses. For example... For example, if a user enters an incorrect password, text or voice prompts should be used to directly indicate the error; it is not advisable to use only color as a visual cue. This is a means of providing a prompt.

4.2.5 Verification Code In an app, if the app contains non-text CAPTCHAs (such as puzzle-type or image selection-type CAPTCHAs) that are difficult to understand... The format should provide alternative forms of expression that can be accepted by different types of senses (sight, hearing, etc.), such as text or speech.

4.3 Operability

4.3.1 Adjusting the component focus size for aging adaptation In systems that use dp as the pixel unit, the main components of a standalone age-friendly app or application's age-friendly mode homepage can be clicked. The size of the clickable area should be no less than 48dp × 48dp, and the size of the clickable focus area of other main components on other pages should be no less than 44dp × 44dp; In systems that use points (pt) as the pixel unit, the main components of a standalone age-friendly app or application's age-friendly mode homepage can be clicked in the focus area. The size should be no less than 48pt×48pt, and the size of the clickable focus area of the main components on other pages should be no less than 44pt×44pt.

4.3.2 Age-appropriate adjustment of gesture operation Within the app, feedback prompts should be provided regarding the results of user gesture navigation or operations; avoid requiring three or more fingers to navigate. It can perform complex gesture operations.

4.3.3 Sufficient operating time for appropriate aging adjustment Within an app, if the time limit is not a necessary part or key element of the activity, and will not lead to any legal commitment or financial transaction by the user... If the task is easy, sufficient time should be allowed for user actions, and the page or component should not change until the user has completed their action. For example, clause-based reading materials should not have... There are time limits; the minimum payment time is no less than 15 minutes; the validity period of SMS verification codes (including payment verification codes) is no less than 5 minutes.

4.3.4 Floating Window Adjustment for Age-Friendly Use If there are floating windows in the app, a button should be provided that makes it easy for users to close them. In systems using dp as the pixel unit, the minimum click response area for a floating window close button should be no less than 44dp × 44dp; using pt... In systems where pixels are used as the unit of measurement, the minimum click response area for a floating window close button should not be less than 44pt × 44pt.

4.4 Understandability When users install apps through app stores, app operators should provide prominent guidance on age-friendly settings and functions frequently used by seniors. hint. Apps with an embedded age-friendly mode should have a prominent entry point on their homepage that allows users to switch to age-friendly mode; or provide a prominent entry point upon first access. The app should display a switch prompt and provide an entry point for the age-friendly mode in the root directory such as "Settings" or "My Account". Apps with search functionality should include a "Senior Version". As the standard search function name, users can directly access it through the search function, and can also set aliases such as "Family Version," "Caring Version," and "Compassionate Version" for search. Keywords.

4.5 Compatibility Apps should not restrict the access and use of auxiliary devices (such as screen reader software) that have already been adapted by terminal manufacturers. When accessibility tools are enabled, all functional components in the app should function correctly. buttons should be accessible; input fields should function normally. Input should be processed; multimedia should play normally; after a partial page update, newly added functional components in the App content should also function normally.

Note. The scope of application for assistive technologies does not include map information.

4.6 Security

4.6.1 Advertising Plugin In the age-friendly mode of an app or a standalone age-friendly version of the app, there should be no advertising content or inserts that interfere with users' normal network usage. The device should not display advertisements randomly or as temporary pop-up ads.

4.6.2 Induced Components The app should not contain any misleading components that induce downloads or payments.

4.6.3 Protect the personal information security of elderly users When collecting and processing personal information, apps should adhere to the principle of minimum necessity, meaning that the collection and processing of personal information should have a clear and reasonable purpose. And should be limited to the minimum scope required to achieve the purpose of collection and processing, and should not involve the collection or processing of personal information unrelated to the purpose of collection and processing. To ensure the security of elderly users' personal information, specific actions regarding the collection of personal information (such as location information, image information, etc.) should comply with regulations. The provisions in GB/T 35273-2020.

5.1 Test Conditions

5.1.1 Test Environment Conditions Except for tests with specific requirements, all other tests shall be conducted under standard atmospheric conditions for testing.

a) Temperature. 15°C~35°C;

b) Relative humidity. 25%~75%;

c) Atmospheric pressure. 86 kPa~106 kPa.

5.1.2 Test Terminal Conditions The test terminal system version should be updated to the latest version pushed to that terminal.

5.1.3 Pre-set conditions for the test object The tested app must meet the following basic requirements.

a) The app being tested should be in a normal state;

b) The tested App should complete the age-friendly design or modification according to the technical requirements in Chapter 4, and can be switched to an age-friendly mode or a standalone age-friendly mode. Old version of the app.

5.2 Perceptibility

5.2.1 Font size adjustment for aging Test objective. To verify whether the font size of the App meets the age-appropriate technical requirements. Test basis.

4.2.1 Adjustment of font size for aging. Testing method. The font size of each page in the app's age-friendly mode or the standalone age-friendly version is tested as follows:

a) Check the font size of each page before and after adjusting the font size of the terminal system;

b) Examine the font size of each page before and after adjusting the font size in the App settings (if this function is available);

c) Check the size of the main text information on each page under the default settings;

d) Verify that after setting the maximum font size in the terminal system or in the App settings, the main functions and main interfaces of each page remain unchanged. The font size of the text information on the screen (excluding subtitles, text images, and text related to the app's functionality). Expected results.

a) After adjusting the font size of the terminal system, the font size of each page should be adjusted accordingly, taking into account both the scene and the display effect;

b) After adjusting the font size in the app settings (if this function is available), the font size on each page should be adjusted accordingly, taking into account the context. and display effects;

c) Under default settings, the main text information on each page should be no less than 18 dp/pt. Judgment criteria. If the test results meet the expectations, the test is passed; otherwise, it is failed.

5.2.2 Adjusting line spacing to suit aging Test objective. To verify whether the line spacing of the App meets the requirements of age-appropriate technology. Test basis.

4.2.2 Line spacing adjustment for aging. Testing method. The line spacing of each page in the App is checked as follows:

a) Check the line spacing of text within paragraphs on each page;

b) Check the spacing between paragraphs on each page. Expected results.

a) The line spacing of text within paragraphs on each page should not be less than

5.3 Operability

5.3.1 Adjusting the component focus size for aging adaptation Test objective. To verify whether the focus size of the App's components meets the requirements of age-appropriate technology. Test basis.

4.3.1 Component focus size adjustment for aging. Test method. The focus size of each page component in the app's age-friendly mode or the standalone age-friendly version is tested as follows:

a) Check the size of the clickable focus area of the main components on the homepage;

b) Check the size of the clickable focus area of the main components on other pages. Expected results.

a) The clickable focus area of the main components on the homepage should be no smaller than 48dp/pt × 48dp/pt;

b) The size of the clickable focus area of the main components on other pages shall not be less than 44dp/pt×44dp/pt. Judgment criteria. If the test results meet the expectations, the test is passed; otherwise, it is failed.

5.3.2 Age-appropriate adjustment of gesture operation Test objective. To verify whether the gesture operation of the App meets the requirements of age-friendly technology. Test basis.

4.3.2 Age-appropriate adjustment of gesture operation. Testing method. The gesture operations on each page of the App were tested as follows:

a) Verify whether feedback prompts are provided for the results when performing gesture navigation or operations;

b) Check for complex hand gestures that require three or more fingers to complete. Expected results.

a) Feedback prompts are provided for the results when users perform gesture navigation or operations;

b) The app does not have complex gesture operations that require three or more fingers to complete. Judgment criteria. If the test results meet the expectations, the test is passed; otherwise, it is failed.

5.3.3 Sufficient operating time for appropriate aging adjustment Test objective. To verify whether the app's sufficient operating time meets the requirements of age-appropriate technology. Test basis.

4.3.3 Sufficient operating time for appropriate aging adjustment. Testing method. Sufficient operation time was allocated to each page of the App to perform the following tests.

5.6 Security

5.6.1 Advertising Plugin Test objective. To verify whether the app complies with age-appropriate technology requirements by prohibiting advertisements that interfere with users' normal network usage, and whether random advertisements appear. Advertisements or temporary pop-ups. Test basis.

4.6.1 Advertising plugin. Testing method. Perform the following tests on each page of the app's age-friendly mode or the standalone age-friendly version.

a) Check each page for advertisements that may interfere with the user's normal use of the network;

b) Check whether ads or temporary pop-up ads will randomly appear on each page. Expected results.

a) There are no advertisements on any page that would interfere with the user's normal use of the network;

b) No random or temporary pop-up ads will appear on any page. Judgment criteria. If the test results meet the expectations, the test is passed; otherwise, it is failed.

5.6.2 Induced Components Test objective. To verify whether the App complies with aging-in-time technical requirements by prohibiting suggestive components. Test basis.

4.6.2 Inducement-type components. Testing method. Perform the following tests on each page of the app's age-friendly mode or the standalone age-friendly version. Check each page for any misleading components that induce downloads or payments. Expected result. No misleading components such as inducement to download or inducement to make payments are present on any page. Judgment criteria. If the test results meet the expectations, the test is passed; otherwise, it is failed.

5.6.3 Protect the personal information security of elderly users Test objective. To verify whether the App meets the requirements for protecting the personal information security of elderly users. Test basis.

4.6.3 Protecting the personal information security of elderly users. Testing method. Perform the following tests on each page of the app's age-friendly mode or the standalone age-friendly version. Verify that each page meets the minimum necessary requirements for the App to collect and use personal information. Expected outcome. The age-friendly mode of the app or a standalone age-friendly version of the app meets the minimum necessary requirements for the collection and use of personal information by the app. Judgment criteria. If the test results meet the expectations, the test is passed; otherwise, it is failed.