Open Graph Preview Tool: Common Mistakes and Best Practices

Most problems with open Graph Preview Tool aren't caused by not knowing what to do — they're caused by small, easy-to-miss mistakes that compound quietly over time. Here are the ones that come up most often.

Mistake 1: Leaving Open Graph tags entirely unset and letting each platform guess a preview, which often picks an irrelevant image or a truncated auto-generated description.

Mistake 2: Using an image with small text or fine detail that becomes unreadable at the tiny sizes most feed previews render it at.

Mistake 3: Changing a page's Open Graph tags and never re-scraping the URL, so old shared links keep displaying stale preview data indefinitely.

The fix for most of these isn't more effort, it's a regular check. A few habits that prevent them from creeping back in:
- Test previews on every major platform separately — Facebook, LinkedIn, and X/Twitter each cache and render Open Graph data slightly differently.
- Refresh cached previews after changing tags — most platforms cache the old preview aggressively and need a manual re-scrape via their own debugging tool.

Worth reading alongside this: our guide to SERP snippet preview, which covers the adjacent side of the same part of a technical SEO audit.

Open Graph Preview Tool catches most of this automatically, which is the easiest way to stop these mistakes from shipping in the first place.

Everything in this guide runs directly in your browser — no signup, no install.