WIP- Try AI-Writer and Web research; working.

lib/check_blog_seo/cgpt_seo_analyzer.py

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+###################################################
+#
+# The script covers many SEO factors, including keyword presence, title length, 
+# meta description, images, img alt text, headings, internal links, external links, 
+# spelling errors, grammar errors, and readability.
+#
+##################################################
+
+import re
+from bs4 import BeautifulSoup
+from textstat import flesch_reading_ease
+import spellchecker
+
+class SEOAnalyzer:
+    def __init__(self, html_content, target_keywords):
+        self.html_content = html_content
+        self.target_keywords = target_keywords
+
+    def analyze_html_content(self):
+        try:
+            soup = BeautifulSoup(self.html_content, 'html.parser')
+
+            # Extract and clean text from HTML
+            text = ' '.join(soup.stripped_strings)
+            text = re.sub(r'\s+', ' ', text)
+
+            # Calculate keyword density
+            keyword_density = {}
+            for keyword in self.target_keywords:
+                keyword_density[keyword] = (text.lower().count(keyword.lower()) / len(text.split())) * 100
+
+            # Check for the presence of keywords in the title
+            title_tag = soup.find('title')
+            title_text = title_tag.text.lower() if title_tag else ''
+            keyword_presence_in_title = {keyword: keyword.lower() in title_text for keyword in self.target_keywords}
+
+            # Check for the presence of images and keywords in image alt text
+            images = soup.find_all('img')
+            img_alt_text = [img.get('alt', '').lower() for img in images]
+            keyword_presence_in_img_alt_text = {keyword: any(keyword.lower() in alt_text for alt_text in img_alt_text) for keyword in self.target_keywords}
+
+            # Check for the presence of headings
+            headings = soup.find_all(['h1', 'h2', 'h3', 'h4', 'h5', 'h6'])
+            headings_text = ' '.join(heading.text.lower() for heading in headings)
+
+            # Check for the presence of internal and external links
+            internal_links = len([link for link in soup.find_all('a') if '#' not in link.get('href', '')])
+            external_links = len([link for link in soup.find_all('a') if 'http' in link.get('href', '')])
+
+            # Calculate readability score
+            readability_score = flesch_reading_ease(text)
+
+            # Check for spelling and grammar errors
+            spell = spellchecker.SpellChecker()
+            spelling_errors = len(spell.unknown(text.split()))
+            grammar_errors = len(spell.check_grammar(text))
+
+            # Calculate SEO score
+            seo_score = 0
+
+            # Check for the presence of relevant keywords
+            for keyword in self.target_keywords:
+                if keyword in text.lower():
+                    seo_score += 1
+
+            # Check for title length
+            title_length = len(title_text.split()) if title_text else 0
+            recommended_title_length = (50, 70)
+
+            if recommended_title_length[0] <= title_length <= recommended_title_length[1]:
+                seo_score += 1
+
+            # Generate suggestions for improvement
+            suggestions = []
+            if seo_score < 5:
+                suggestions.append("Add more relevant keywords to your HTML content.")
+                suggestions.append("Make sure your title contains keywords.")
+                suggestions.append("Add keywords to image alt text.")
+                suggestions.append("Add headings to your HTML content.")
+                suggestions.append("Add internal links to your HTML content.")
+
+            return {
+                'Keyword Density': keyword_density,
+                'Keyword Presence in Title': keyword_presence_in_title,
+                'Keyword Presence in Image Alt Text': keyword_presence_in_img_alt_text,
+                'Headings Text': headings_text,
+                'Internal Links': internal_links,
+                'External Links': external_links,
+                'Readability Score': readability_score,
+                'Spelling Errors': spelling_errors,
+                'Grammar Errors': grammar_errors,
+                'SEO Score': seo_score,
+                'Suggestions': suggestions
+            }
+        except Exception as e:
+            return {'error': str(e)}
+
+# Example usage:
+if __name__ == "__main__":
+    html_content = """
+    <!DOCTYPE html>
+    <html>
+    <head>
+        <title>SEO Analyzer - Sample Page</title>
+        <meta name="description" content="This is a sample page for SEO analysis.">
+    </head>
+    <body>
+        <h1>Welcome to the SEO Analyzer</h1>
+        <p>This is a sample page with some sample content for SEO analysis. It mentions the target keywords SEO, keywords, and content.</p>
+        <img src="image1.jpg" alt="SEO image">
+        <img src="image2.jpg" alt="Keywords image">
+    </body>
+    </html>
+    """
+
+    keywords = ['SEO', 'keywords', 'content']  # Replace with your target keywords
+
+    seo_analyzer = SEOAnalyzer(html_content, keywords)
+    results = seo_analyzer.analyze_html_content()
+
+    print("SEO Analysis Results:")
+    print(f"Keyword Density: {results['Keyword Density']}")
+    print(f"Keyword Presence in Title: {results['Keyword Presence in Title']}")
+    print(f"Keyword Presence in Image Alt Text: {results['Keyword Presence in Image Alt Text']}")
+    print(f"Headings Text: {results['Headings Text']}")
+    print(f"Internal Links: {results['Internal Links']}")
+    print(f"External Links: {results['External Links']}")
+    print(f"Readability Score: {results['Readability Score']}")
+    print(f"Spelling Errors: {results['Spelling Errors']}")
+    print(f"Grammar Errors: {results['Grammar Errors']}")
+    print(f"SEO Score: {results['SEO Score']}")
+    print("Suggestions:")
+    for suggestion in results['Suggestions']:
+        print(suggestion)
+