twitter:card meta tag is present
mediumtwitter_card
Checks if the twitter:card meta tag is present.
What does this rule check?
The twitter:card tag defines the card type for Twitter/X link previews. Options are 'summary', 'summary_large_image', 'app', or 'player'.
Why is this important?
Without a twitter:card tag, Twitter may not display rich link previews, reducing engagement with shared links.
How to fix
Add a twitter:card meta tag. Use 'summary_large_image' for most content pages.
Examples
Incorrect
<!-- No Twitter card tags -->
Correct
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:title" content="Page Title" />
<meta name="twitter:description" content="Description" />
<meta name="twitter:image" content="https://example.com/image.png" />
Agent fix snippet
Copy this snippet and paste it into your AI coding agent to fix this issue automatically.
Add Twitter card meta tags:
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:title" content="Title" />
<meta name="twitter:description" content="Description" />
<meta name="twitter:image" content="https://yourdomain.com/image.png" />