Счетчик слов на странице и проверка заголовков для SEO-оптимизации

{
    "@context": "https://schema.org",
    "@type": "BreadcrumbList",
    "itemListElement": [
        {
            "@type": "ListItem",
            "position": 1,
            "name": "Home",
            "item": "https://seoperformance.net/en/"
        },
        {
            "@type": "ListItem",
            "position": 2,
            "name": "SEO tools of SEOPerformance",
            "item": "https://seoperformance.net/en/tools"
        },
        {
            "@type": "ListItem",
            "position": 3,
            "name": "QR-code generator",
            "item": "https://seoperformance.net/en/tools/qr-code-generator"
        }
    ]
}

{
    "@context": "https://schema.org/",
    "@type": "BreadcrumbList",
    "itemListElement": [
        {
            "@type": "ListItem",
            "position": 1,
            "item": {
                "name": "SEOPerformance",
                "@id": "seo-performance"
            }
        },
        {
            "@type": "ListItem",
            "position": 2,
            "item": {
                "name": "Tools",
                "@id": "/en/tools"
            }
        },
        {
            "@type": "ListItem",
            "position": 3,
            "item": {
                "name": "QR-code generator",
                "@id": "/en/tools/qr-code-generator"
            }
        }
    ]
}

{
    "@context": "https://schema.org",
    "@type": "FAQPage",
    "mainEntity": [
        {
            "@type": "Question",
            "name": "Can I download the QR code?",
            "acceptedAnswer": {
                "@type": "Answer",
                "text": "Yes. After generating your QR code, you can download it as a PNG or SVG file."
            }
        },
        {
            "@type": "Question",
            "name": "Can I use the QR code for print?",
            "acceptedAnswer": {
                "@type": "Answer",
                "text": "Yes. PNG is useful for general use, while SVG is better for scalable print designs."
            }
        },
        {
            "@type": "Question",
            "name": "What type of QR codes can I create?",
            "acceptedAnswer": {
                "@type": "Answer",
                "text": "This generator creates QR codes for URLs, such as website pages, landing pages, forms, menus, and product pages."
            }
        }
    ]
}