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BrowserStackButton adds a button to your page to allow you to quickly and easily view the page you are looking at in BrowserStack. It is currently set up to work on a Rails project but could probably be used in Sinatra or the like.


Add this line to your application's Gemfile:

gem 'browser_stack_button'

And then execute:

$ bundle

Or install it yourself as:

$ gem install browser_stack_button


Put your configuration in an initializer:


BrowserStackButton.configure do |config|
  # ...

Browser configuration

By default BrowserStackButton will not render any buttons for any browsers. You need to set them up as described below. Refer to the Browser Stack API documentation for what each setting means.

Default options

These options are applied to all browsers, but can be overridden by the individual browser settings.

  config.default_options = {
    os: "Windows",
    start: "true",
    speed: "2",
    zoom_to_fit: "false",
    resolution: "1024x768",
    full_screen: "true",

Configuring browsers

  config.browsers["IE8"] = { browser: "IE", browser_version: "8.0", os_version: "7" }
  config.browsers["IE9"] = { browser: "IE", browser_version: "9.0", os_version: "7" }
  config.browsers["IE10"] = { browser: "IE", browser_version: "10.0+Desktop", os_version: "8" }
  config.browsers["Firefox"] = { browser: "Firefox", browser_version: "22.0", os_version: "7" }
  config.browsers["Safari"] = { browser: "Safari", browser_version: "6.0", os: "OS X", os_version: "Mountain Lion" }
  config.browsers["Chrome"] = { browser: "Chrome", browser_version: "28.0", os_version: "7" }


Add the following just after your opening <body> tag:

<%= browser_stack_button %>

If you want to enable it, likely only on a staging server, you can call call BrowserStackButton.enable! in a before_filter or in your controller action if you want to enable it in the current Rails environment.

You could enable it on production for just admin users or whatever you like. We only use it on our staging server.

Sometimes you need to add additional parameters to your site url that is visited by BrowserStack. We use this for a login backdoor on our staging server which allows us to view the page as the same user we are currently logged in as. To do this, pass an additional hash to enable!:

BrowserStackButton.enable! do |button|
  # Add additional params to the url
  if user_signed_in?
    button.url_params[:backdoor] =
    button.url_params[:backdoor] = "anonymous"

  # OR override the URL entirely
  button.url = ""

Once enabled, you should see a BrowserStack logo in the top left of the page. Click it to reveal a dropdown and select a browser. You will need to enable popups. When changing browsers, it is best to close the previous browser window before clicking the next one.


  • Localhost/Tunnel support
  • Extract more to javascript so it is usable outside of a Rails project.


  1. Fork it ( )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request