Connect External CDN Service to Boost WordPress Performance

Code

<?php
// Function to integrate Cloudflare CDN with WordPress
function wp_dudecom_integrate_cloudflare() {
    // Check if Cloudflare plugin is active
    if ( ! is_plugin_active( 'cloudflare/cloudflare.php' ) ) {
        return;
    }

    // Set Cloudflare API credentials
    $cloudflare_email = 'your-email@example.com';
    $cloudflare_api_key = 'your-api-key';
    $cloudflare_zone_id = 'your-zone-id';

    // Update Cloudflare settings
    $cloudflare_settings = array(
        'email' => $cloudflare_email,
        'api_key' => $cloudflare_api_key,
        'zone_id' => $cloudflare_zone_id,
    );

    // Use Cloudflare API to update settings
    // Note: This is a placeholder for actual API calls
    // Ensure to use wp_remote_post() for making API requests securely
    // Example: wp_remote_post( 'https://api.cloudflare.com/client/v4/zones/' . $cloudflare_zone_id . '/settings', $args );
}

// Hook the function to WordPress init
add_action( 'init', 'wp_dudecom_integrate_cloudflare' );

// Function to integrate Amazon CloudFront CDN with WordPress
function wp_dudecom_integrate_cloudfront() {
    // Set CloudFront distribution domain
    $cloudfront_domain = 'your-cloudfront-domain.cloudfront.net';

    // Update WordPress content URLs to use CloudFront
    function wp_dudecom_update_content_urls( $content ) {
        $site_url = site_url();
        $content = str_replace( $site_url, 'https://' . $cloudfront_domain, $content );
        return $content;
    }

    // Filter content URLs
    add_filter( 'the_content', 'wp_dudecom_update_content_urls' );
    add_filter( 'wp_get_attachment_url', 'wp_dudecom_update_content_urls' );
}

// Hook the function to WordPress init
add_action( 'init', 'wp_dudecom_integrate_cloudfront' );

// Function to configure CDN settings for performance improvement
function wp_dudecom_configure_cdn_performance() {
    // Example: Set browser caching headers
    function wp_dudecom_set_cdn_headers() {
        header( 'Cache-Control: max-age=31536000, public' );
    }

    // Hook to send headers
    add_action( 'send_headers', 'wp_dudecom_set_cdn_headers' );
}

// Hook the function to WordPress init
add_action( 'init', 'wp_dudecom_configure_cdn_performance' );

// Function to list free CDN options for WordPress
function wp_dudecom_list_free_cdn_options() {
    $free_cdns = array(
        'Cloudflare' => 'https://www.cloudflare.com/',
        'Jetpack Site Accelerator' => 'https://jetpack.com/support/site-accelerator/',
        'jsDelivr' => 'https://www.jsdelivr.com/',
    );

    // Display free CDN options
    foreach ( $free_cdns as $name => $url ) {
        echo '<p><a href="' . esc_url( $url ) . '" target="_blank">' . esc_html( $name ) . '</a></p>';
    }
}

// Hook the function to WordPress admin menu
add_action( 'admin_menu', function() {
    add_menu_page( 'Free CDN Options', 'Free CDN Options', 'manage_options', 'free-cdn-options', 'wp_dudecom_list_free_cdn_options' );
});
?>