JSON/LD Schema Markup Code for a Blog. The most optimal piece of JSON/LD code that I have created after researching on various highly ranking blogs and news website.

example.json

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "BlogPosting",
  "mainEntityOfPage": {
    "@type": "WebPage",
    "@id": "https://example.com/blog-post"
  },
  "headline": "Optimizing Your Blog for Search Engine Rankings",
  "datePublished": "2023-03-23T12:00:00-07:00",
  "dateModified": "2023-03-23T12:00:00-07:00",
  "author": {
          "@type": "Person",
      "@id": "https://example.com/#/schema/person/88200ae5759e8e83032cafad20ef05cc",
      "name": "Upanishad Sharma",
      "image": {
        "@type": "ImageObject",
        "inLanguage": "en-US",
        "@id": "https://example.com/#/schema/person/image/",
        "url": "https://secure.gravatar.com/avatar/6c8fd002d7c3181c04fa0d4d0ffa8af4?s=96&d=mm&r=g",
        "contentUrl": "https://secure.gravatar.com/avatar/6c8fd002d7c3181c04fa0d4d0ffa8af4?s=96&d=mm&r=g",
        "caption": "Upanishad Sharma"
      },
      "sameAs": [
        "https://www.upanishadsharma.com/",
        "https://www.linkedin.com/in/u-sharma-/",
        "https://twitter.com/https://twitter.com/UpanishadSharma"
      ],
      "url": "https://example.com/author/upanishad5574/"
  },
  "publisher": {
    "@type": "Organization",
    "@id": "https://www.example.com/#organization",
    "name": "Example Blog",
    "sameAs": [
      "https://www.youtube.com/Example",
      "https://www.facebook.com/Example",
      "https://www.instagram.com/Example/",
      "https://twitter.com/Example",
      "https://www.pinterest.com/Example"
    ],
    "logo": {
      "@type": "ImageObject",
      "url": "https://example.com/logo.png",
      "width": 60,
      "height": 60
    }
  },
  "articleSection": [
    "Internet",
    "Opera Browser",
    "Browsing Tips",
    "Artificial Intelligence"
  ],
  "description": "Learn how to optimize your blog for search engine rankings and increase your visibility online.",
  "articleBody": "In this post, we'll explore some of the best strategies for optimizing your blog for search engine rankings. We'll cover topics such as keyword research, on-page optimization, and link building, and provide practical tips and examples to help you implement these strategies on your own blog. By following these tips, you can improve your blog's visibility on search engines and attract more traffic to your site.",
  "image": {
    "@type": "ImageObject",
    "url": "https://example.com/image.jpg",
    "width": 1200,
    "height": 800
  },
  "keywords": "blog optimization, search engine rankings, keyword research, on-page optimization, link building"
}
<script>

schema.json

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "BlogPosting",
  "mainEntityOfPage": {
    "@type": "WebPage",
    "@id": "{{post_url}}"
  },
  "headline": "{{post_title}}",
  "datePublished": "{{date_published}}",
  "dateModified": "{{date_modified}}",
  "author": {
          "@type": "Person",
      "@id": "{{author_id}}",
      "name": "{{author_name}}",
      "image": {
        "@type": "ImageObject",
        "inLanguage": "en-US",
        "@id": "{{author_id}}#/schema/person/image/",
        "url": "{{author_image}}",
        "contentUrl": "{{author_image}}",
        "caption": "{{author_name}}"
      },
      "sameAs": [
        {{author_own_website}},
        "{{author_linkedin}}",
        "{{author_twitter}}"
      ],
      "url": "{{author_url}}"
  },
  "publisher": {
    "@type": "Organization",
    "@id": "{{website_url}}#organization",
    "name": "{{website_name}}",
    "sameAs": [
      "https://www.youtube.com/Example",
      "https://www.facebook.com/Example",
      "https://www.instagram.com/Example/",
      "https://twitter.com/Example",
      "https://www.pinterest.com/Example"
    ],
    "logo": {
      "@type": "ImageObject",
      "url": "{{site_logo_url}}",
      "width": 60,
      "height": 60
    }
  },
  "articleSection": [
    "Internet",
    "Opera Browser",
    "Browsing Tips",
    "Artificial Intelligence"
  ],
  "description": "{{article_description}}",
  "articleBody": "{{article_body}}",
  "image": {
    "@type": "ImageObject",
    "url": "{{article_featured_image}}",
    "width": 1200,
    "height": 800
  },
  "keywords": "{{article_keywords}}"
}
<script>

Put it just before the </head> and change the {{}} variables accordingly. Can use it to create a plugin for various CMS. WordPress can do this automatically though. Might help someone who is creating a static website.