seo why we use meta tags code example

Example 1: how to insert meta tags for seo in html

<meta name="description" content="Neoistone is a reliable, fast and robust platform for all the needs of Hosting and Domain name development tools is so easy to use that litespeed it makes fast site" />
    <meta property="og:locale" content="en_US" />
    <meta property="og:type" content="website" />
    <meta property="og:title" content="Grow your Business Digitally | In Hyderabad" />
    <meta property="og:description" content="Neoistone is a reliable, fast and robust platform for all the needs of Hosting and Domain name development tools is so easy to use that litespeed it makes fast site" />
    <meta property="og:url" content="http://localhost/" />
    <meta property="og:site_name" content="Neoistone: Best Web Development and Hosting services" />
    <meta name="twitter:card" content="summary_large_image" />
    <meta name="twitter:title" content="Grow your Business Digitally | In Hyderabad" />
    <meta name="twitter:description" content="Neoistone is a reliable, fast and robust platform for all the needs of Hosting and Domain name development tools is so easy to use that litespeed it makes fast site" />
    <meta name="twitter:image" content="http://localhost/static/brand/banner_logo.png" />
    <meta name="theme-color" content="#ee5b3e" />
    <script type="application/ld+json">
        {
            "@context": "https://schema.org",
            "@type": "WebSite",
            "url": "http://localhost/",
            "name": "Neoistone: Best Web Development and Hosting services",
            "potentialAction": { "@type": "SearchAction", "target": "http://localhost/search/{search_term_string}/", "query-input": "required name=search_term_string" }
        }
    </script>
    <script type="application/ld+json">
        {
            "@context": "https://schema.org",
            "@type": "Organization",
            "url": "http://localhost/",
            "name": "Neoistone: Best Web Development and Hosting services",
            "logo": "http://localhost/static/brand/banner_logo.png"
        }
    </script>

Example 2: meta seo

<meta charset="UTF-8">
<meta name="description" content="Inserisci la descrizione qui.">
<meta name="robots" content="index, follow">
<meta name="viewport" content="width=device-width, initial-scale=1.0">