Paste any URL. In a few seconds you see its preview on Facebook, X, LinkedIn, Slack and Discord, every Open Graph tag that passes or fails, and a fix list you can hand to your agent.
Detected og:type: object
Drag to compare today's preview with a LinkMagnet card made from this page's own title, image and icon.

Optional checks
2/12 becomes 4/12
The install snippet sets the card's size, so these checks pass.
Free for one domain, unlimited pages. Previewed in your browser from this page's tags; the real card renders once you verify github.com.
Core og:* tags required for any Open Graph object.
og:title
The title of the object as it should appear in the graph.
GitHub · Change is constant. GitHub keeps you ahead. · GitHubog:type
The object type (e.g., website, article, video.movie).
objectog:image
An image URL representing the object in the graph.
https://images.ctfassets.net/8aevphvgewt8/76epZKB2wF998m4e4bLLXn/c505f20b00ec70b88b1be5aec42c4be4/OG_image.jpgog:url
The canonical URL that uniquely identifies the object.
https://github.com/og:type "object" is not in the ogp.me list of global types.
Optional og:* tags that enrich the object preview.
og:audio
A URL to an audio file that accompanies the object.
og:description
A one to two sentence description of the object.
Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.og:determiner
Word before the title (a, an, the, "", auto).
og:locale
The locale of the metadata, e.g., en_US.
og:locale:alternate
Alternate locales available for this page.
og:site_name
Name of the overall site if part of a larger website.
GitHubog:video
A URL to a video file that complements the object.
Extra media metadata (dimensions, type, secure URL) tied to media tags.
og:image:width
Image width in pixels.
og:image:height
Image height in pixels.
og:image:type
MIME type of the image, e.g., image/jpeg.
og:image:secure_url
HTTPS version of the image URL.
og:image:url
An explicit image URL (same as og:image).
Sub-properties for media tags like og:image:*, og:video:*, og:audio:*, plus aspect ratio checks.
og:image:alt
Description of the image contents (not a caption).
Recommended when og:image is present.
Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.og:image:aspect_ratio
Recommended aspect ratio for social previews (1.91:1).
Matches the recommended 1.91:1 ratio.
1200x630 (1.90:1)
Previews imitate each platform's own look, so they keep its colors.
Paste any URL. In a few seconds you see its preview on Facebook, X, LinkedIn, Slack and Discord, every Open Graph tag that passes or fails, and a fix list you can hand to your agent.
Detected og:type: object
Drag to compare today's preview with a LinkMagnet card made from this page's own title, image and icon.

Optional checks
2/12 becomes 4/12
The install snippet sets the card's size, so these checks pass.
Free for one domain, unlimited pages. Previewed in your browser from this page's tags; the real card renders once you verify github.com.
Core og:* tags required for any Open Graph object.
og:title
The title of the object as it should appear in the graph.
GitHub · Change is constant. GitHub keeps you ahead. · GitHubog:type
The object type (e.g., website, article, video.movie).
objectog:image
An image URL representing the object in the graph.
https://images.ctfassets.net/8aevphvgewt8/76epZKB2wF998m4e4bLLXn/c505f20b00ec70b88b1be5aec42c4be4/OG_image.jpgog:url
The canonical URL that uniquely identifies the object.
https://github.com/og:type "object" is not in the ogp.me list of global types.
Optional og:* tags that enrich the object preview.
og:audio
A URL to an audio file that accompanies the object.
og:description
A one to two sentence description of the object.
Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.og:determiner
Word before the title (a, an, the, "", auto).
og:locale
The locale of the metadata, e.g., en_US.
og:locale:alternate
Alternate locales available for this page.
og:site_name
Name of the overall site if part of a larger website.
GitHubog:video
A URL to a video file that complements the object.
Extra media metadata (dimensions, type, secure URL) tied to media tags.
og:image:width
Image width in pixels.
og:image:height
Image height in pixels.
og:image:type
MIME type of the image, e.g., image/jpeg.
og:image:secure_url
HTTPS version of the image URL.
og:image:url
An explicit image URL (same as og:image).
Sub-properties for media tags like og:image:*, og:video:*, og:audio:*, plus aspect ratio checks.
og:image:alt
Description of the image contents (not a caption).
Recommended when og:image is present.
Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.og:image:aspect_ratio
Recommended aspect ratio for social previews (1.91:1).
Matches the recommended 1.91:1 ratio.
1200x630 (1.90:1)
Previews imitate each platform's own look, so they keep its colors.