ASP.NET MVC - How to detect if user is using a screen reader

Question

So I\'m currently trying to check if a user is using a screen reader on our site. The reason I would like to check if they are is because our site provides a training module in

Answer 1

I think you can only check if user has a chrome extensions or something like that working on client side with javascript.

Idea: You can create an exe or a bath file for check users system and send information about this to your server. If user download this file and there is no screen reader then load the page. Otherwise give error about the screen reader. And when response come from user computer maybe you can use SignalR for show content to user. You can make this file a must works in users system and start downloading this file when user load the page. Its not a good way but maybe you can check this with this way.

Answer 2

It's not possible to detect whether a user is running a screenreader. If it were possible, it would open a door for unscrupulous types to home in on people with disabilities, or for a totally different "accessible" browser experience to be delivered, rather than building interfaces that are inclusive by design.

You could create a button that's placed off-screen but still in the tab order, and make it visible when it receives focus. Then blind users could find it, and sighted keyboard users wouldn't think something strange had happened when the button received focus.

Answer 3

The HttpRequest.Browser property returns a HttpBrowserCapabilities object that enlists the capabilities of the device that has made the request. Bear in mind that ASP.NET uses the User-Agent string sent as part of the HTTP request to identify a client. Then to populate the HttpBrowserCapabilities properties, ASP.NET processes the user-agent string using a set of pre-installed browser files, which are contained in the following location: %SystemRoot%\Microsoft.NET\Framework\v4.0.30319\CONFIG\Browsers

HttpBrowserCapabilities Class

There are also third-parties which are far more detailed and updated with detecting device info, i.e. 51Degrees