WordPress Schema Injection

Schema markup tells search engines what a page is. Rank Math handles standard schema; complex local business and service pages need custom JSON-LD injection.

Rank Math Schema Setup

1. Rank Math > Titles & Meta > Local SEO — enter business name, address, phone, hours, coordinates
2. Rank Math > Schema > Templates — assign schemas to post types
3. Schema types to configure per page type:
   • Home/About: Organization + LocalBusiness
   • Service pages: Service
   • Blog posts: Article
   • FAQ sections: FAQPage
   • Reviews: Review

NAP Consistency Rule

NAP (Name, Address, Phone) in Rank Math must exactly match GMB:

• Same business name — no abbreviations
• Same address format (St vs Street)
• Same phone format (include area code)
• Same hours to the minute

Custom JSON-LD — LocalBusiness (functions.php)

add_action('wp_head', 'inject_local_business_schema');

function inject_local_business_schema() {
    if (!is_front_page() && !is_page('about')) return;

    $schema = [
        '@context'  => 'https://schema.org',
        '@type'     => 'LocalBusiness',
        'name'      => 'ACME Roofing',
        'image'     => 'https://example.com/logo.png',
        'telephone' => '+1-555-123-4567',
        'address'   => [
            '@type'           => 'PostalAddress',
            'streetAddress'   => '123 Main St',
            'addressLocality' => 'Miami',
            'addressRegion'   => 'FL',
            'postalCode'      => '33101',
            'addressCountry'  => 'US',
        ],
        'geo' => [
            '@type'     => 'GeoCoordinates',
            'latitude'  => 25.7617,
            'longitude' => -80.1918,
        ],
        'openingHoursSpecification' => [[
            '@type'     => 'OpeningHoursSpecification',
            'dayOfWeek' => ['Monday','Tuesday','Wednesday','Thursday','Friday'],
            'opens'     => '08:00',
            'closes'    => '18:00',
        ]],
        'url'        => home_url('/'),
        'priceRange' => '$$',
    ];

    echo '<script type="application/ld+json">'
       . wp_json_encode($schema, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)
       . '</script>';
}

Service Schema (Service Post Type)

add_action('wp_head', function() {
    if (!is_singular('service')) return;

    $schema = [
        '@context'    => 'https://schema.org',
        '@type'       => 'Service',
        'name'        => get_the_title(),
        'description' => get_the_excerpt(),
        'provider'    => [
            '@type' => 'LocalBusiness',
            'name'  => get_bloginfo('name'),
        ],
        'areaServed' => [
            '@type' => 'City',
            'name'  => 'Miami',
        ],
    ];

    echo '<script type="application/ld+json">'
       . wp_json_encode($schema, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)
       . '</script>';
});

FAQ Schema

function inject_faq_schema(array $faqs): void {
    $items = array_map(function($faq) {
        return [
            '@type'          => 'Question',
            'name'           => $faq['question'],
            'acceptedAnswer' => ['@type' => 'Answer', 'text' => $faq['answer']],
        ];
    }, $faqs);

    $schema = ['@context' => 'https://schema.org', '@type' => 'FAQPage', 'mainEntity' => $items];
    echo '<script type="application/ld+json">'
       . wp_json_encode($schema, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)
       . '</script>';
}

Validation

• Test at: https://search.google.com/test/rich-results
• Validate JSON-LD syntax at: https://jsonld.com/json-ld-validator/
• Check for errors in Google Search Console > Enhancements