settings = AEO_Bob_Settings::get_instance();
}
add_action('add_meta_boxes', array($this, 'add_meta_box'));
add_action('wp_ajax_aeo_bob_analyze_content', array($this, 'ajax_analyze_content'));
add_action('wp_ajax_aeo_bob_get_seo_suggestions', array($this, 'ajax_get_seo_suggestions'));
}
public function add_meta_box() {
add_meta_box(
'aeo-bob-seo-analysis',
'🚀 AEO BOB - SEO Analysis',
array($this, 'render_meta_box'),
array('post', 'page'),
'side',
'high' // Changed back to 'high' for top positioning
);
}
public function render_meta_box($post) {
// Nonce verification happens via AJAX with check_ajax_referer() instead
// Removed wp_nonce_field() to prevent duplicate #_ajax_nonce warnings
$target_keyword = get_post_meta($post->ID, '_aeo_bob_target_keyword', true);
$seo_score = get_post_meta($post->ID, '_aeo_bob_seo_score', true);
$aeo_score = get_post_meta($post->ID, '_aeo_bob_aeo_score', true) ?: 0;
$last_analysis = get_post_meta($post->ID, '_aeo_bob_last_analysis', true);
// Always calculate fresh score for current post
$current_content = get_post_field('post_content', $post->ID);
$current_title = get_post_field('post_title', $post->ID);
$seo_score = $this->calculate_initial_score($post);
update_post_meta($post->ID, '_aeo_bob_seo_score', $seo_score);
?>
analyze_content($content, $title, $post_id);
// Save analysis results for current post
update_post_meta($post_id, '_aeo_bob_seo_score', $analysis['seo_score']);
update_post_meta($post_id, '_aeo_bob_last_analysis', current_time('mysql'));
// Calculate and update AEO score
if (class_exists('AEO_Bob_AEO_Analyzer')) {
$aeo_analyzer = AEO_Bob_AEO_Analyzer::get_instance();
$aeo_score = $aeo_analyzer->calculate_aeo_score($post_id);
update_post_meta($post_id, '_aeo_bob_aeo_score', $aeo_score);
}
update_post_meta($post_id, '_aeo_bob_analysis_data', $analysis);
update_post_meta($post_id, '_aeo_bob_word_count', $analysis['word_count']);
update_post_meta($post_id, '_aeo_bob_headings_count', $analysis['headings_count']);
update_post_meta($post_id, '_aeo_bob_images_count', $analysis['images_count']);
update_post_meta($post_id, '_aeo_bob_links_count', $analysis['links_count']);
wp_send_json_success($analysis);
}
public function ajax_get_seo_suggestions() {
check_ajax_referer('aeo_bob_seo_nonce', 'nonce');
if (!current_user_can('edit_posts')) {
wp_die('Insufficient permissions');
}
$post_id = isset($_POST['post_id']) ? absint($_POST['post_id']) : 0;
if (!$post_id) {
wp_die('Invalid post ID');
}
$target_keyword = get_post_meta($post_id, '_aeo_bob_target_keyword', true);
$analysis_data = get_post_meta($post_id, '_aeo_bob_analysis_data', true);
$suggestions = $this->generate_seo_suggestions($target_keyword, $analysis_data);
wp_send_json_success(array(
'suggestions' => $suggestions
));
}
private function analyze_content($content, $title, $post_id) {
$target_keyword = get_post_meta($post_id, '_aeo_bob_target_keyword', true);
// Basic content analysis
$word_count = str_word_count(wp_strip_all_tags($content));
$headings_count = preg_match_all('/]*>/', $content);
$images_count = preg_match_all('/]+>/', $content);
$links_count = preg_match_all('/]+>/', $content);
// Calculate SEO score
$score = $this->calculate_seo_score($content, $title, $target_keyword);
return array(
'seo_score' => $score,
'word_count' => $word_count,
'headings_count' => $headings_count,
'images_count' => $images_count,
'links_count' => $links_count,
'target_keyword' => $target_keyword,
'keyword_density' => $this->calculate_keyword_density($content, $target_keyword),
'readability_score' => $this->calculate_readability_score($content)
);
}
private function calculate_seo_score($content, $title, $target_keyword) {
$score = 0;
$clean_content = wp_strip_all_tags($content);
$word_count = str_word_count($clean_content);
// Content length (20 points max)
if ($word_count >= 300) $score += 20;
elseif ($word_count >= 150) $score += 15;
elseif ($word_count >= 100) $score += 10;
elseif ($word_count >= 50) $score += 5;
// Title optimization (15 points max)
if ($target_keyword && stripos($title, $target_keyword) !== false) {
$score += 15;
} elseif (strlen($title) >= 30 && strlen($title) <= 60) {
$score += 10;
} elseif (strlen($title) > 0) {
$score += 5;
}
// Keyword usage (20 points max)
if ($target_keyword) {
$keyword_count = substr_count(strtolower($clean_content), strtolower($target_keyword));
$density = ($word_count > 0) ? ($keyword_count / $word_count) * 100 : 0;
if ($density >= 1 && $density <= 3) {
$score += 20;
} elseif ($density > 0) {
$score += 10;
}
} else {
// If no keyword, give some points for having content
if ($word_count > 0) $score += 5;
}
// Content structure (15 points max)
if (preg_match('/]*>/', $content)) $score += 8;
if (preg_match('/]+>/', $content)) $score += 7;
// Internal/external links (10 points max)
if (preg_match('/]+>/', $content)) $score += 10;
// Content quality indicators (10 points max)
if ($word_count > 500) $score += 5;
if (preg_match('/\b(what|how|why|when|where)\b/i', $content)) $score += 5;
// Ensure minimum score for any content
if ($word_count > 0) {
$score = max($score, 10); // Minimum 10 points for having content
}
return min(100, max(0, $score));
}
private function calculate_keyword_density($content, $keyword) {
if (!$keyword) return 0;
$clean_content = wp_strip_all_tags($content);
$word_count = str_word_count($clean_content);
$keyword_count = substr_count(strtolower($clean_content), strtolower($keyword));
return $word_count > 0 ? round(($keyword_count / $word_count) * 100, 2) : 0;
}
private function calculate_readability_score($content) {
$clean_content = wp_strip_all_tags($content);
$sentences = preg_split('/[.!?]+/', $clean_content);
$words = str_word_count($clean_content);
$sentence_count = count(array_filter($sentences));
if ($sentence_count === 0) return 0;
$avg_sentence_length = $words / $sentence_count;
// Simple readability score (higher is better)
if ($avg_sentence_length <= 15) return 90;
elseif ($avg_sentence_length <= 20) return 80;
elseif ($avg_sentence_length <= 25) return 70;
else return 60;
}
private function generate_seo_suggestions($target_keyword, $analysis_data) {
$provider = aeo_bob_provider();
$api_key = aeo_bob_api_key_for($provider);
$model = function_exists('aeo_bob_model') ? aeo_bob_model() : aeo_bob_get('api_model', 'gpt-4o-mini');
if (function_exists('aeo_bob_model_alias')) { $model = aeo_bob_model_alias($provider, $model); }
if (empty($api_key)) {
/* translators: %s: API provider name (e.g., OpenAI, Anthropic) */
return new WP_Error('aeo_bob_missing_key', sprintf(__('API key for %s is not set. Go to AEO BOB → Settings to add it.', 'aeo-bob-lite'), esc_html($provider)));
}
$word_count = $analysis_data['word_count'] ?? 0;
$headings_count = $analysis_data['headings_count'] ?? 0;
$images_count = $analysis_data['images_count'] ?? 0;
$keyword_density = $analysis_data['keyword_density'] ?? 0;
$seo_score = $analysis_data['seo_score'] ?? 0;
$prompt = "You are an expert SEO analyst. Based on the following content analysis, provide 5-7 specific, actionable SEO improvement suggestions.\n\n";
$prompt .= "CONTENT ANALYSIS:\n";
$prompt .= "- Word Count: {$word_count}\n";
$prompt .= "- Headings Count: {$headings_count}\n";
$prompt .= "- Images Count: {$images_count}\n";
$prompt .= "- Keyword Density: {$keyword_density}%\n";
$prompt .= "- SEO Score: {$seo_score}/100\n";
$prompt .= "- Target Keyword: " . ($target_keyword ?: 'Not set') . "\n\n";
if (!$target_keyword) {
$prompt .= "The target keyword is not set. Provide general content improvement suggestions.\n\n";
}
$prompt .= "Provide your suggestions as a numbered list. Each suggestion should be specific and actionable.\n";
$prompt .= "Focus on:\n";
$prompt .= "- Content length and quality\n";
$prompt .= "- Keyword optimization\n";
$prompt .= "- Content structure and headings\n";
$prompt .= "- Visual elements and media\n";
$prompt .= "- Internal and external linking\n";
$prompt .= "- Meta descriptions and titles\n\n";
$prompt .= "Format: 1. [Specific suggestion]\n2. [Specific suggestion]\n...";
$response = $this->call_ai_api($provider, $api_key, $model, $prompt);
if ($response) {
$ai_response = '';
// Parse response based on provider
switch ($provider) {
case 'openai':
case 'perplexity':
if (isset($response['choices'][0]['message']['content'])) {
$ai_response = $response['choices'][0]['message']['content'];
}
break;
case 'anthropic':
if (isset($response['content'][0]['text'])) {
$ai_response = $response['content'][0]['text'];
}
break;
case 'google':
if (isset($response['candidates'][0]['content']['parts'][0]['text'])) {
$ai_response = $response['candidates'][0]['content']['parts'][0]['text'];
}
break;
case 'cohere':
if (isset($response['text'])) {
$ai_response = $response['text'];
}
break;
}
if (!empty($ai_response)) {
return $this->parse_seo_suggestions_response($ai_response);
}
}
// Fallback to mock suggestions if API fails
return $this->generate_mock_seo_suggestions($target_keyword, $analysis_data);
}
/**
* Call AI API for the selected provider
*/
private function call_ai_api($provider, $api_key, $model, $prompt) {
$headers = array('Content-Type' => 'application/json');
$body = array();
switch ($provider) {
case 'openai':
$endpoint = 'https://api.openai.com/v1/chat/completions';
$headers['Authorization'] = 'Bearer ' . $api_key;
$body = array(
'model' => $model,
'messages' => array(
array('role' => 'user', 'content' => $prompt)
),
'max_tokens' => 1000,
'temperature' => 0.7
);
break;
case 'anthropic':
$endpoint = 'https://api.anthropic.com/v1/messages';
$headers['x-api-key'] = $api_key;
$headers['anthropic-version'] = '2023-06-01';
$body = array(
'model' => $model,
'max_tokens' => 1000,
'messages' => array(
array('role' => 'user', 'content' => $prompt)
)
);
break;
case 'google':
$endpoint = 'https://generativelanguage.googleapis.com/v1/models/' . $model . ':generateContent?key=' . rawurlencode($api_key);
$body = array(
'contents' => array(
array(
'parts' => array(
array('text' => $prompt)
)
)
),
'generationConfig' => array(
'maxOutputTokens' => 1000,
'temperature' => 0.7
)
);
break;
case 'perplexity':
$endpoint = 'https://api.perplexity.ai/chat/completions';
$headers['Authorization'] = 'Bearer ' . $api_key;
$body = array(
'model' => $model,
'messages' => array(
array('role' => 'user', 'content' => $prompt)
),
'max_tokens' => 1000,
'temperature' => 0.7
);
break;
case 'cohere':
$endpoint = 'https://api.cohere.ai/v1/chat';
$headers['Authorization'] = 'Bearer ' . $api_key;
$body = array(
'model' => $model,
'message' => $prompt,
'max_tokens' => 1000,
'temperature' => 0.7
);
break;
default:
$endpoint = 'https://api.openai.com/v1/chat/completions';
$headers['Authorization'] = 'Bearer ' . $api_key;
$body = array(
'model' => $model,
'messages' => array(
array('role' => 'user', 'content' => $prompt)
),
'max_tokens' => 1000,
'temperature' => 0.7
);
}
$response = wp_remote_post($endpoint, array(
'headers' => $headers,
'body' => json_encode($body),
'timeout' => 60
));
if (is_wp_error($response)) {
// Debug logging removed for production
return false;
}
$body = wp_remote_retrieve_body($response);
$data = json_decode($body, true);
if (isset($data['error'])) {
// Debug logging removed for production
return false;
}
return $data;
}
/**
* Parse SEO suggestions from AI response
*/
private function parse_seo_suggestions_response($ai_response) {
$suggestions = array();
// Extract numbered suggestions
preg_match_all('/^\d+\.\s*(.+)$/m', $ai_response, $matches);
if (isset($matches[1])) {
$suggestions = array_map('trim', $matches[1]);
}
// If no numbered suggestions found, try to extract bullet points
if (empty($suggestions)) {
preg_match_all('/^[-*]\s*(.+)$/m', $ai_response, $matches);
if (isset($matches[1])) {
$suggestions = array_map('trim', $matches[1]);
}
}
// If still no suggestions, split by lines and clean up
if (empty($suggestions)) {
$lines = explode("\n", $ai_response);
foreach ($lines as $line) {
$line = trim($line);
if (strlen($line) > 20 && !preg_match('/^(prompt|content|keyword|analysis|word|heading|image|density|score)/i', $line)) {
$suggestions[] = $line;
}
}
}
// Limit to 7 suggestions and ensure they're not empty
$suggestions = array_filter($suggestions, function($s) { return !empty($s); });
return array_slice($suggestions, 0, 7);
}
/**
* Generate mock SEO suggestions (fallback)
*/
private function generate_mock_seo_suggestions($target_keyword, $analysis_data) {
$suggestions = array();
$word_count = $analysis_data['word_count'] ?? 0;
$headings_count = $analysis_data['headings_count'] ?? 0;
$images_count = $analysis_data['images_count'] ?? 0;
$keyword_density = $analysis_data['keyword_density'] ?? 0;
$seo_score = $analysis_data['seo_score'] ?? 0;
// If no keyword is set, provide general content suggestions
if (!$target_keyword) {
if ($word_count < 300) {
$suggestions[] = 'Add more content to reach at least 300 words for better SEO performance';
}
if ($headings_count < 2) {
$suggestions[] = 'Add more headings (H2, H3) to improve content structure and readability';
}
if ($images_count < 1) {
$suggestions[] = 'Add relevant images to make your content more engaging and visually appealing';
}
$suggestions[] = 'Set a target keyword in the Content Optimizer to get more specific suggestions';
return $suggestions;
}
// Content length suggestions
if ($word_count < 300) {
$suggestions[] = "Expand your content about '{$target_keyword}' to at least 300 words for better SEO";
}
// Keyword density suggestions
if ($keyword_density < 1) {
$suggestions[] = "Include '{$target_keyword}' more naturally throughout the content";
} elseif ($keyword_density > 3) {
$suggestions[] = "Reduce keyword density for '{$target_keyword}' to avoid over-optimization";
}
// Structure suggestions
if ($headings_count === 0) {
$suggestions[] = 'Add H2 and H3 headings to improve content structure';
}
if ($images_count === 0) {
$suggestions[] = 'Add relevant images with descriptive alt text';
}
// General SEO suggestions
$suggestions[] = 'Add internal links to related pages on your site';
$suggestions[] = 'Include external links to authoritative sources';
$suggestions[] = 'Optimize meta description to include your target keyword';
return $suggestions;
}
private function calculate_initial_score($post) {
$content = $post->post_content;
$title = $post->post_title;
$target_keyword = get_post_meta($post->ID, '_aeo_bob_target_keyword', true);
return $this->calculate_seo_score($content, $title, $target_keyword);
}
private function get_score_color($score) {
if ($score >= 80) return 'success';
elseif ($score >= 60) return 'primary';
else return 'secondary';
}
private function get_score_label($score) {
if ($score >= 90) return 'Excellent SEO optimization!';
elseif ($score >= 80) return 'Good SEO optimization';
elseif ($score >= 60) return 'Fair SEO, needs improvement';
elseif ($score >= 40) return 'Poor SEO, requires attention';
else return 'Very poor SEO, needs work';
}
}
; ?>)