Question 1

What are Open Graph (OG) tags?

Accepted Answer

Open Graph tags are HTML meta tags that control how your web pages appear when shared on social media platforms like Facebook, Twitter/X, LinkedIn, and Discord. They define the title, description, and preview image shown in social cards.

Question 2

Why is og:image important?

Accepted Answer

The og:image tag determines the preview image shown when your page is shared on social media. Without it, platforms may show no image or pick a random one from your page. A compelling preview image can significantly increase click-through rates.

Question 3

What are the recommended og:image dimensions?

Accepted Answer

The recommended size for og:image is 1200x630 pixels (1.91:1 aspect ratio). This works well across Facebook, Twitter/X, LinkedIn, and most other platforms. Images should be at least 200x200 pixels minimum.

Question 4

How often should I check my OG tags?

Accepted Answer

Check your OG tags whenever you update page content, change your site design, or before launching new pages. Social platforms cache OG data, so changes may take time to reflect. Use platform-specific debuggers to force a refresh.

Question 5

What's the difference between og:title and twitter:title?

Accepted Answer

og:title is the Open Graph standard used by Facebook, LinkedIn, and most platforms. twitter:title is Twitter/X specific. If twitter:title is not set, Twitter falls back to og:title. Setting both gives you control over each platform.

Question 6

Can RenderStack help generate dynamic OG images?

Accepted Answer

Yes! RenderStack generates unique, dynamic OG images per page via API. Design a template once, then generate personalized social cards with dynamic text, images, and branding for every page on your site.

Question 7

Why do social cards look different on each platform?

Accepted Answer

Each platform has different card formats, aspect ratios, and character limits. Twitter/X uses summary cards (square) and summary_large_image cards (wide). LinkedIn crops differently than Facebook. Testing across platforms ensures consistent appearance.

Question 8

Is this tool free to use?

Accepted Answer

Yes, this OG Image Preview tool is completely free. No signup or login required. You can check up to 30 URLs per hour.

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Frequently Asked Questions

Frequently Asked Questions