Social · Check og-tags
Open Graph + og:image:alt social-share tags
Meta tags in your <head> (og:title, og:description, og:image, og:image:alt, og:url, og:type) that control how your URL renders when shared on LinkedIn, Facebook, iMessage, Slack, etc.
Why it matters
The case for open graph
When someone shares your site link, the recipient sees a preview card built from your Open Graph tags. Missing tags = generic-looking share with no image and bad description = lower click-through and weaker brand impression. og:image:alt specifically lets AI assistants describe what your share card LOOKS like to users who ask about your business.
How this audit checks it
What we actually look at
We parse the homepage HTML <head> for og:title, og:description, og:image, og:image:alt. PASS requires all 4 present; WARN if 1-3 missing.
Copy-pasteable fix
Snippet to drop in
<meta property="og:title" content="Your Business Name — Trade in City">
<meta property="og:description" content="One sentence about what you do.">
<meta property="og:image" content="https://yoursite.com/og-image.png">
<meta property="og:image:alt" content="Your business logo or hero shot">
<meta property="og:url" content="https://yoursite.com">
<meta property="og:type" content="website">Steps
How to apply it
- Add the snippet to your homepage HTML <head> section
- Create a 1200x630px og-image.png with logo + tagline + brand colors
- Write og:image:alt as a sentence describing what's in the image (not just business name)
- Test the result at https://www.opengraph.xyz
Common mistakes
What goes wrong
- Setting og:image to a relative URL (`og:image="/img.png"`) — must be absolute
- Skipping og:image:alt — it's the AI-readable description of the image; missing it means assistants can't describe your card
- Using a wrong-aspect-ratio image (Facebook crops 1.91:1; vertical images get squashed)
Other checks in the baseline
Continue your audit walk-through.
Next step
See how your site scores.
Run the free 13-point audit on your URL — takes ~10 seconds, shows exactly which checks pass and fail with copy-pasteable fixes.