Read me

Mechanical accessibility check for the HTML. Please paste your HTML in the textarea of ​​HTML Source or enter target URL to URL in Check and send it. Display accessibility checkpoints and their commentary.

In the case of check by URL, in addition to checking accessibility, you can check images and alt.

Name of service

"A11yc Accessibility Check Service" Short version is "A11yc ACS"

Limit

• It is free
• More than 10 posts in 10 minutes, you can not post for a few minutes
• More than 150 posts from one IP address in 24 hours, you will not be able to post for a while

Collected information

• We are using Google Analytics
• Because of limitation by IP address, IP address and time accessed from that IP address are saved

Vendor

• Jidaikobo Inc.
• Twitter of Jidaikobo Inc.

Technical information

• Based on the library called A11yc. A11yc is available on GitHub . Is is also made by Jidaikobo
• In A11yc, there are functions to prepare reports and test results (check list)
• Plugin for WordPress jwp-a11y also has the same function as A11yc, so please do it
• In Wordpress Plugin, execute validation function of A11yc ACS every time posting, constantly manage the site with accessibility awareness

TODO

• 画像一覧で外部サーバの非SSLの画像を表示すると、SSLでなくなるのをどうするか考える（Camo？）

Feedback

If there is a request or correction part on the expression of the function, commentary, etc., please send us email (info@jidaikobo.com), Twitter, GitHub

Change Log

4.0.3 (2019-10-9)

Better Image List. Show text that exist with <img> in same <a> element.

4.0.2 (2019-10-1)

Fix Check Bug of alt of area. thx @yocco405

4.0.1 (2019-7-4)

Add mention of F16 to marquee. thx @yocco405

2.1.1 (2018-10-16)

Change service name.

Many Refactoring.

2.1.0 (2018-10-02)

start to support aria-label and aria-labelledby

2.0.9 (2018-08-23)

fix DOCTYPE recognition

better charset recognition

add images list mode by get request

2.0.8 (2018-08-17)

at html5, ignore check of existence of summary attribute

2.0.7 (2018-08-09)

no space between attribute.

better comment out logic.

ignore CDATA section.

2.0.6 (2018-08-05)

better <DOCTYPE> recognition.

2.0.5 (2018-08-02)

at readme: content of was invalid string (Y-n-j -> Y-m-d).

at documentation: fix unexpectedlly escaped HTML and markup HTML by <code>.

at labelless check: if action attribute was not exists, use <form> to indicate place.

2.0.4 (2018-07-28)

Refine regular expression of extraction html tag.

Became able to check non UTF-8 page.

Update Japanese title of Techniques for WCAG 2.0.

Better lang check (#2).

2.0.3 (2018-07-26)

Add New check: fieldsetless and legendless.

Add link to Techniques for WCAG 2.0 into error message.

2.0.2 (2018-07-24)

Improve accuracy of getting attributes from html tag.

2.0.1 (2018-07-23)

Omit checking way of close of empty element.

Special Thanks

• @momdo_