Website Open Graph meta tag scanner: 5 errors, 4 warnings. Missing basic metadata

We can improve our website markup.

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The easiest way to preview and generate Open Graph meta tags for any website. Win the social click war with dynamic, branded previews:

https://www.opengraph.xyz

And report here:

https://www.opengraph.xyz/url/https%3A%2F%2Flucenenet.apache.org

More docs here:

https://ogp.me

Start by inspecting the markup for https://lucenenet.apache.org and compare it with the Open Graph guidance at https://ogp.me. Use the linked opengraph.xyz report to identify the missing metadata, then verify that the reported errors and warnings are resolved.

Written by the indexing model from the issue text.