Og Https Ogp.me Ns _top_ -

| Property | RDF Term | Example Value | | :--- | :--- | :--- | | | og:title | "The Open Graph Protocol" | | Type | og:type | website (or article , video.movie , etc.) | | Image | og:image | https://ogp.me/logo.png | | URL | og:url | https://ogp.me/ |

At first glance, these elements can look like cryptic boilerplate code. However, they are the backbone of how your content travels across the social web. When you share a link on Facebook, LinkedIn, or Slack, the rich preview (the thumbnail, the title, the description) does not appear by magic—it appears because of the Open Graph Protocol. og https ogp.me ns

Further reading: Official Open Graph Protocol , Facebook Meta Tags Debugger | Property | RDF Term | Example Value

The https://ogp.me/ spec requires that images be at least 200px in any dimension (1200x630 recommended). The crawler will ignore http images if the parent page is https (mixed content warning). Always use absolute URLs, never relative paths. Further reading: Official Open Graph Protocol , Facebook

Unlike simple Dublin Core metadata, OGP supports compound objects. For og:image , the base URL is insufficient for modern applications. The namespace allows: