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英語の最終更新: 今日
日本語の最終更新: 7月27日

Like Button for the Web

When a person visiting your webpage clicks the Like button, an App Event is triggered to log this like on Facebook.

Get a Customized Like Button

Use the Like Button Configurator to get the Like button code to insert into your webpage.

  1. Set the URL of your webpage where you are placing the Like button
  2. Customized your Like button
  3. See a preview of your button
  4. Click the Get Code, and copy and paste the code into your webpage

Like Button Configurator

「いいね!」するURL
Width
レイアウト
アクションタイプ
ボタンサイズ

Note, if you are already logging app events, remove the autoLogAppEvents=1 statement from the button code to prevent duplicate logging.

Use Open graph meta tags to edit your link preview. The og:url tag and data-ref attribute should be the same URL.

Full Code Example

Formatted for readability.

<html>
<head>
  <title>Your Website Title</title>
    <!-- You can use open graph tags to customize link previews.
    Learn more: https://developers.facebook.com/docs/sharing/webmasters -->
  <meta property="og:url"           content="https://www.your-domain.com/your-page.html" />
  <meta property="og:type"          content="website" />
  <meta property="og:title"         content="Your Website Title" />
  <meta property="og:description"   content="Your description" />
  <meta property="og:image"         content="https://www.your-domain.com/path/image.jpg" />
</head>
<body>

  <!-- Load Facebook SDK for JavaScript -->
  <div id="fb-root"></div>
  <script async defer crossorigin="anonymous" 
        src="https://connect.facebook.net/en_US/sdk.js#xfbml=1
             &version={graph-api-version}
             &appId={your-facebook-app-id}
             &autoLogAppEvents=1" 
        nonce="FOKrbAYI">
  </script>

  <!-- Your like button code -->
  <div class="fb-like" 
       data-href="https://www.your-domain.com/your-page.html" 
       data-width=""
       data-layout="standard" 
       data-action="like" 
       data-size="small"  
       data-share="true">
  </div>

</body>
</html>

Like Button HTML5 Attributes

HTML5 Attribute Description

data-action

The verb to display on the button. Can be either like (default) or recommend.

data-colorscheme

The color scheme used by the plugin for any text outside of the button itself. Can be light (default) or dark.

data-href

The URL of the webpage that will be liked.

data-kid-directed-site

If your website or online service, or a portion of your service, is directed to children under 13 you must set this to true. Default is false.

data-layout

Selects one of the different layouts that are available for the plugin. Can be one of standard (default), button_count, button or box_count. See the FAQ for more details.

data-lazy

true means use the browser's lazy-loading mechanism by setting the loading="lazy" iframe attribute. The effect is that the browser does not render the plugin if it's not close to the viewport and might never be seen. Can be one of true or false (default).

data-ref

A label for tracking referrals which must be less than 50 characters and can contain alphanumeric characters and some punctuation (currently +/=-.:_). See the FAQ for more details.

data-share

Specifies whether to include a share button beside the Like button, true or false (default). This only works with the XFBML version.

data-size

The button is offered in 2 sizes i.e. large and small (default).

data-width

The width of the plugin (standard layout only), which is subject to the minimum and default width. Please see the Layout Settings table for more details.

Layout Settings

Layout Settings are optional.

Layout Default Sizes

standard

Minimum width: 225 pixels.
Default width: 450 pixels.
Height: 35 pixels (without photos) or 80 pixels (with photos).

box_count

Minimum width: 55 pixels.
Default width: 55 pixels.
Height: 65 pixels.

button_count

Minimum width: 90 pixels.
Default width: 90 pixels.
Height: 20 pixels.

button

Minimum width: 47 pixels.
Default width: 47 pixels.
Height: 20 pixels.

Change the Language

You can change the language of the Like Button by loading a localized version of the Facebook JavaScript SDK. Replace en_US with your locale, for example, fr_FR for French (France).

js.src = "https://connect.facebook.net/fr_FR/sdk.js#xfbml=1&version={graph-api-version} />"; 

The width of a Social Plugin may need to be adjusted to accommodate different languages.