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A Follow button may be customized from its default settings by specifying parameter overrides.
ParameterDescriptionExample
screen_nameThe X username to be followed. Automatically extracted from the anchor element’s href attribute when using JavaScript-enhanced button markup.XDevelopers
show_screen_nameSet to false to hide the username of the specified account.false
sizeSet to large to display a larger button.large
langA supported X language code.es
dntWhen set to true, the button and its embedded page on your site are not used for purposes that include personalized suggestions and personalized ads.true

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HTML example

<a class="twitter-follow-button"
  href="https://x.com/XDevelopers"
  data-show-screen-name="false"
  data-size="large"
>
Follow @XDevelopers
</a>

​
JavaScript example

twttr.widgets.createFollowButton(
  "XDevelopers",
  document.getElementById("container"),
  {
    showScreenName: "false",
    size: "large"
  }
);