Question 1

Does pasting a URL send my data to a third party?

Accepted Answer

Yes — when you use URL mode, the URL is forwarded to a public CORS proxy (oge.vercel.app) that fetches the page server-side. Raw HTML mode parses entirely in your browser with no network request.

Question 2

Why does the tool use a proxy instead of fetching directly?

Accepted Answer

Browsers block cross-origin requests to arbitrary sites (CORS policy). A server-side proxy fetches the page for you and returns the meta data as JSON.

Question 3

Which meta tags are extracted?

Accepted Answer

Open Graph (og:title, og:description, og:image, og:url), Twitter Card (twitter:card, twitter:title, twitter:description, twitter:image), the plain <title> tag, meta description, canonical URL, robots, and viewport.

Question 4

What is twitter:card and why does it change the preview?

Accepted Answer

twitter:card controls the card layout Twitter uses: 'summary' shows a small thumbnail beside the text, while 'summary_large_image' shows a full-width banner image above the text.

Question 5

Why is the image not showing in the preview?

Accepted Answer

The image URL must be absolute (https://…) and publicly accessible. Relative URLs, data URIs, and images behind authentication won't load in the preview.

🔍 Meta Tag Preview

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