Some metadata is not returning result for some given urls

[ccxuy]

Seems like getting title and description result is not stable, even on github.
Below result is from server, and it seems like meta data from browser don't have this issue.

{
    "bookmark": null,
    "metadata": {
        "url": "https://github.com/sissbruecker/linkding",
        "title": null,
        "description": null,
        "preview_image": null
    },
    "auto_tags": []
}

{
    "bookmark": {
        "id": 12552,
        "url": "https://github.com/appwrite/appwrite",
        "title": "appwrite  / appwrite",
        "description": "Your backend, minus the hassle.\n\nappwrite.io",
        "notes": "",
        "web_archive_snapshot_url": "",
        "favicon_url": null,
        "preview_image_url": null,
        "is_archived": false,
        "unread": true,
        "shared": false,
        "tag_names": [
            "devops",
            "loc_hw"
        ],
        "date_added": "2024-10-26T02:04:27.003487Z",
        "date_modified": "2024-10-26T02:04:27.003491Z",
        "website_title": null,
        "website_description": null
    },
    "metadata": {
        "url": "https://github.com/appwrite/appwrite",
        "title": null,
        "description": null,
        "preview_image": null
    },
    "auto_tags": []
}