Accessibility Policy
Accessibility Policy
Web accessibility
Web accessibility means that all people using websites can access and use the information and functions provided on websites without hindrance regardless of their physical and mental conditions, or the environment in which they are used.
This website has formulated a Web Accessibility Policy based on the Japanese Industrial Standards JIS X8341-3:2016 "Guidelines for older persons and persons with disabilities--Information and communications equipment, software and services--Part 3: Web content" (hereinafter referred to as "JIS X8341-3:2016"), a standard for accessibility of web content, as follows, and aims to be a website that anyone can use to obtain information without any burden.
Policy
Scope of coverage
Page under the Tokyo Metropolitan Library Website (https://www.library.metro.tokyo.lg.jp/)
Deadline for achievement
March 31, 2024
Target conformance level
This website aims to comply with the level "AA" of JIS X8341-3:2016.
Exceptions
The following items are excluded from the target because corrective action is difficult.
- Content without data to be corrected (cannot be corrected)
- Some of the images and movies created in the past
- Externally provided services and associated content
- Document such as PDF, Word, and Excel files
Additional achievement criteria above the targeted conformance level
7.2.1.3: Achievement criteria without exception (AAA) for keyboard operation
7.2.3.2: Achievement criteria for three flashes (AAA)
7.2.4.8: Achievement criteria for current position (AAA)
Verification results
We will conduct tests based on JIS X8341-3:2016 of this website and publish the results.
The notation "Compliance with JIS X8341-3:2016" in this website is based on the notation stipulated in the "Guidelines for JIS X8341-3:2016 Response to Web Content, March 2016 Version" of the Info-communication Access Council and the Web Accessibility Infrastructure Committee.
Level of conformance achieved.
We comply with the achievement level AA.
Pages on which the test was conducted
Selected 40 pages per web page according to JIS X8341-3:2016 Test Practice Guidelines using random and non-random methods from the domain (https://www.library.metro.tokyo.lg.jp/) operated by the Tokyo Metropolitan Library
Dependent web content technology
HTML5, CSS 3.0, and JavaScript
Achievement Criteria Checklist
| Subclause | Level | Achievement criteria | Application | Conformity | Notes |
|---|---|---|---|---|---|
| 7.1.1.1 | A | Non-text content | ○ | ○ | |
| 7.1.2.1 | A | Media that includes only audio that has been recorded and media that includes only video that has been recorded | ○ | ○ | |
| 7.1.2.2 | A | Caption of recorded audio content | ○ | ○ | |
| 7.1.2.3 | A | Alternative content or audio description of recorded video content | ○ | ○ | |
| 7.1.2.4 | AA | Caption of live audio content | － | ○ | Live audio, no video content |
| 7.1.2.5 | AA | Audio description of recorded video content | ○ | ○ | |
| 7.1.3.1 | A | Information and relevance | ○ | ○ | |
| 7.1.3.2 | A | Meaningful order | ○ | ○ | |
| 7.1.3.3 | A | Sensory features | ○ | ○ | |
| 7.1.4.1 | A | Use of color | ○ | ○ | |
| 7.1.4.2 | A | Audio control | ○ | ○ | |
| 7.1.4.3 | AA | Minimum contrast | ○ | ○ | |
| 7.1.4.4 | AA | Resizing text | ○ | ○ | |
| 7.1.4.5 | AA | Characters converted to images | ○ | ○ | |
| 7.2.1.1 | A | Keyboard operation | ○ | ○ | |
| 7.2.1.2 | A | Focus shift | ○ | ○ | |
| 7.2.2.1 | A | Adjustable time limit | － | ○ | No content with time limit |
| 7.2.2.2 | A | Pause, stop, and hide | ○ | ○ | |
| 7.2.3.1 | A | Three flashes or below threshold | － | ○ | No blinking content |
| 7.2.4.1 | A | Block skip | ○ | ○ | |
| 7.2.4.2 | A | Page title | ○ | ○ | |
| 7.2.4.3 | A | Focus order | ○ | ○ | |
| 7.2.4.4 | A | Purpose of the link in context | ○ | ○ | |
| 7.2.4.5 | AA | Multiple means of arrival | ○ | ○ | |
| 7.2.4.6 | AA | Headings and labels | ○ | ○ | |
| 7.2.4.7 | AA | Visually recognizable focus | ○ | ○ | |
| 7.3.1.1 | A | Language of pages | ○ | ○ | |
| 7.3.1.2 | AA | Partially used language | ○ | ○ | |
| 7.3.2.1 | A | Status changes via on-focus | ○ | ○ | |
| 7.3.2.2 | A | Status changes due to user interface elements | ○ | ○ | |
| 7.3.2.3 | AA | Consistent navigation | ○ | ○ | |
| 7.3.2.4 | AA | Consistent identification | ○ | ○ | |
| 7.3.3.1 | A | Identification of input error location | ○ | ○ | |
| 7.3.3.2 | A | Label or description | ○ | ○ | |
| 7.3.3.3 | AA | Presentation of input error correction methods | ○ | ○ | |
| 7.3.3.4 | AA | Avoidance of errors in legal obligations, monetary transactions, data changes, and response transmissions | － | ○ | Legal obligations, monetary transactions, data changes, and no response transmission content |
| 7.4.1.1 | A | Parsing | ○ | ○ | |
| 7.4.1.2 | A | Programmatically interpretable distinguished names, roles, and configurable values | ○ | ○ |
Test period
From February 19, 2024, to February 22, 2024
Achievement criteria that are higher than the level of the declaration
7.2.1.3: Achievement criteria without exception (AAA) for keyboard operation
7.2.3.2: Achievement criteria for three flashes (AAA)
7.2.4.8: Achievement criteria for current position (AAA)