Fix Guide

How to Add Twitter Card Tags

Control how the page looks when it is shared on X and in chat apps.

Easy Low Impact 15 min

Missing Twitter Card tags mean X and several chat apps have to guess how to render your link, which usually produces a bare URL instead of a card. Adding twitter:card, twitter:title, twitter:description and twitter:image gives a large image preview. Most platforms fall back to Open Graph, so the two are normally added together.

Why It Matters

A shared link with a large image preview gets substantially more attention than a plain URL. These tags have no ranking effect at all — the entire value is in whether people click a shared link.

How to Fix

Add the card type

summary_large_image is right for almost everything. summary gives a small thumbnail.

Add the title, description and image

The image must be an absolute URL. Around 1200 by 630 pixels works across platforms.

Let Open Graph do the fallback

X falls back to og:title, og:description and og:image, so you only need twitter-specific tags where they should differ.

Test a real URL

Use a card validator, and remember platforms cache aggressively — a fix may need the cache cleared before it shows.

Code Fix

html

Before (broken)

<!-- no twitter: tags; X renders a bare link -->

After (fixed)

<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="How to fix redirect chains">
<meta name="twitter:description" content="Collapse multi-hop redirects into one.">
<meta name="twitter:image" content="https://example.com/og.png">

Platform-Specific Instructions

WordPress

SEO plugins output these from the post's social settings. Set a default image so posts without one still render a card.

Next.js

The twitter key in the metadata export generates these; it inherits from openGraph where you do not override it.

Fixed that one.
Now find the rest.

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