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Kunthawat Greethong
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# AI SEO Tools Services
## Overview
Professional-grade AI-powered SEO analysis tools converted from Streamlit apps to FastAPI services. Designed for content creators, digital marketers, and solopreneurs.
## Available Services
### 🎯 Meta Description Generator
- **Service**: `MetaDescriptionService`
- **Purpose**: Generate compelling, SEO-optimized meta descriptions
- **AI Features**: Context-aware generation, keyword optimization, tone adaptation
### ⚡ PageSpeed Analyzer
- **Service**: `PageSpeedService`
- **Purpose**: Google PageSpeed Insights analysis with AI insights
- **AI Features**: Performance optimization recommendations, business impact analysis
### 🗺️ Sitemap Analyzer
- **Service**: `SitemapService`
- **Purpose**: Website structure and content trend analysis
- **AI Features**: Content strategy insights, publishing pattern analysis
### 🖼️ Image Alt Text Generator
- **Service**: `ImageAltService`
- **Purpose**: AI-powered alt text generation for images
- **AI Features**: Vision-based analysis, SEO-optimized descriptions
### 📱 OpenGraph Generator
- **Service**: `OpenGraphService`
- **Purpose**: Social media optimization tags
- **AI Features**: Platform-specific optimization, content analysis
### 📄 On-Page SEO Analyzer
- **Service**: `OnPageSEOService`
- **Purpose**: Comprehensive on-page SEO analysis
- **AI Features**: Content quality analysis, keyword optimization insights
### 🔧 Technical SEO Analyzer
- **Service**: `TechnicalSEOService`
- **Purpose**: Website crawling and technical analysis
- **AI Features**: Issue prioritization, fix recommendations
### 🏢 Enterprise SEO Suite
- **Service**: `EnterpriseSEOService`
- **Purpose**: Complete SEO audit workflows
- **AI Features**: Competitive analysis, strategic recommendations
### 📊 Content Strategy Analyzer
- **Service**: `ContentStrategyService`
- **Purpose**: Content gap analysis and strategy planning
- **AI Features**: Topic opportunities, competitive positioning
## Key Features
- ✅ AI-enhanced analysis using Gemini
- ✅ Structured JSON responses
- ✅ Comprehensive error handling
- ✅ Intelligent logging and monitoring
- ✅ Business-focused insights
- ✅ Async/await support
- ✅ Health check endpoints
## Quick Start
```python
from services.seo_tools import MetaDescriptionService
# Initialize service
service = MetaDescriptionService()
# Generate meta descriptions
result = await service.generate_meta_description(
keywords=["SEO", "content marketing"],
tone="Professional",
search_intent="Informational Intent"
)
print(result["meta_descriptions"])
```
## API Integration
All services are exposed via FastAPI endpoints at `/api/seo/*`. See the main documentation for complete API reference.
## Logging
All operations are logged with structured data to:
- `logs/seo_tools/operations.jsonl` - Successful operations
- `logs/seo_tools/errors.jsonl` - Error logs
- `logs/seo_tools/ai_analysis.jsonl` - AI interactions
## Health Monitoring
Each service includes a `health_check()` method for monitoring:
```python
status = await service.health_check()
print(status["status"]) # "operational" or "error"
```
## Business Focus
All AI analysis is optimized for:
- **Content Creators**: User-friendly insights and actionable recommendations
- **Digital Marketers**: Performance metrics and ROI-focused suggestions
- **Solopreneurs**: Cost-effective, comprehensive SEO analysis
---
For complete documentation, see `/backend/docs/SEO_TOOLS_MIGRATION.md`

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# SEO tools package initializer
from .meta_description_service import MetaDescriptionService
from .pagespeed_service import PageSpeedService
from .sitemap_service import SitemapService
from .image_alt_service import ImageAltService
from .opengraph_service import OpenGraphService
from .on_page_seo_service import OnPageSEOService
from .technical_seo_service import TechnicalSEOService
from .enterprise_seo_service import EnterpriseSEOService
from .content_strategy_service import ContentStrategyService
__all__ = [
'MetaDescriptionService',
'PageSpeedService',
'SitemapService',
'ImageAltService',
'OpenGraphService',
'OnPageSEOService',
'TechnicalSEOService',
'EnterpriseSEOService',
'ContentStrategyService',
]

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"""
Content Strategy Analysis Service
AI-powered content strategy analyzer that provides insights into
content gaps, opportunities, and competitive positioning.
"""
from typing import Dict, Any, List, Optional
from datetime import datetime
from loguru import logger
class ContentStrategyService:
"""Service for AI-powered content strategy analysis"""
def __init__(self):
"""Initialize the content strategy service"""
self.service_name = "content_strategy_analyzer"
logger.info(f"Initialized {self.service_name}")
async def analyze_content_strategy(
self,
website_url: str,
competitors: List[str] = None,
target_keywords: List[str] = None,
custom_parameters: Dict[str, Any] = None
) -> Dict[str, Any]:
"""Analyze content strategy and opportunities"""
# Placeholder implementation
return {
"website_url": website_url,
"analysis_type": "content_strategy",
"competitors_analyzed": len(competitors) if competitors else 0,
"content_gaps": [
{"topic": "SEO best practices", "opportunity_score": 85, "difficulty": "Medium"},
{"topic": "Content marketing", "opportunity_score": 78, "difficulty": "Low"}
],
"opportunities": [
{"type": "Trending topics", "count": 15, "potential_traffic": "High"},
{"type": "Long-tail keywords", "count": 45, "potential_traffic": "Medium"}
],
"content_performance": {"top_performing": 12, "underperforming": 8},
"recommendations": [
"Create content around trending SEO topics",
"Optimize existing content for long-tail keywords",
"Develop content series for better engagement"
],
"competitive_analysis": {"content_leadership": "moderate", "gaps_identified": 8}
}
async def health_check(self) -> Dict[str, Any]:
"""Health check for the content strategy service"""
return {
"status": "operational",
"service": self.service_name,
"last_check": datetime.utcnow().isoformat()
}

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"""
Enterprise SEO Service
Comprehensive enterprise-level SEO audit service that orchestrates
multiple SEO tools into intelligent workflows.
"""
from typing import Dict, Any, List, Optional
from datetime import datetime
from loguru import logger
class EnterpriseSEOService:
"""Service for enterprise SEO audits and workflows"""
def __init__(self):
"""Initialize the enterprise SEO service"""
self.service_name = "enterprise_seo_suite"
logger.info(f"Initialized {self.service_name}")
async def execute_complete_audit(
self,
website_url: str,
competitors: List[str] = None,
target_keywords: List[str] = None
) -> Dict[str, Any]:
"""Execute comprehensive enterprise SEO audit"""
# Placeholder implementation
return {
"website_url": website_url,
"audit_type": "complete_audit",
"overall_score": 78,
"competitors_analyzed": len(competitors) if competitors else 0,
"target_keywords": target_keywords or [],
"technical_audit": {"score": 80, "issues": 5, "recommendations": 8},
"content_analysis": {"score": 75, "gaps": 3, "opportunities": 12},
"competitive_intelligence": {"position": "moderate", "gaps": 5},
"priority_actions": [
"Fix technical SEO issues",
"Optimize content for target keywords",
"Improve site speed"
],
"estimated_impact": "20-30% improvement in organic traffic",
"implementation_timeline": "3-6 months"
}
async def health_check(self) -> Dict[str, Any]:
"""Health check for the enterprise SEO service"""
return {
"status": "operational",
"service": self.service_name,
"last_check": datetime.utcnow().isoformat()
}

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"""
Image Alt Text Generation Service
AI-powered service for generating SEO-optimized alt text for images
using vision models and context-aware keyword integration.
"""
from typing import Dict, Any, List, Optional
from datetime import datetime
from loguru import logger
class ImageAltService:
"""Service for generating AI-powered image alt text"""
def __init__(self):
"""Initialize the image alt service"""
self.service_name = "image_alt_generator"
logger.info(f"Initialized {self.service_name}")
async def generate_alt_text_from_file(
self,
image_path: str,
context: Optional[str] = None,
keywords: Optional[List[str]] = None
) -> Dict[str, Any]:
"""Generate alt text from image file"""
# Placeholder implementation
return {
"alt_text": "AI-generated alt text for uploaded image",
"context_used": context,
"keywords_included": keywords or [],
"confidence": 0.85,
"suggestions": ["Consider adding more descriptive keywords"]
}
async def generate_alt_text_from_url(
self,
image_url: str,
context: Optional[str] = None,
keywords: Optional[List[str]] = None
) -> Dict[str, Any]:
"""Generate alt text from image URL"""
# Placeholder implementation
return {
"alt_text": f"AI-generated alt text for image at {image_url}",
"context_used": context,
"keywords_included": keywords or [],
"confidence": 0.80,
"suggestions": ["Image analysis completed successfully"]
}
async def health_check(self) -> Dict[str, Any]:
"""Health check for the image alt service"""
return {
"status": "operational",
"service": self.service_name,
"last_check": datetime.utcnow().isoformat()
}

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"""
Meta Description Generation Service
AI-powered SEO meta description generator that creates compelling,
optimized descriptions for content creators and digital marketers.
"""
from typing import Dict, Any, List, Optional
from datetime import datetime
from loguru import logger
from ..llm_providers.main_text_generation import llm_text_gen
from middleware.logging_middleware import seo_logger
class MetaDescriptionService:
"""Service for generating AI-powered SEO meta descriptions"""
def __init__(self):
"""Initialize the meta description service"""
self.service_name = "meta_description_generator"
logger.info(f"Initialized {self.service_name}")
async def generate_meta_description(
self,
keywords: List[str],
tone: str = "General",
search_intent: str = "Informational Intent",
language: str = "English",
custom_prompt: Optional[str] = None
) -> Dict[str, Any]:
"""
Generate AI-powered meta descriptions based on keywords and parameters
Args:
keywords: List of target keywords
tone: Desired tone (General, Informative, Engaging, etc.)
search_intent: Type of search intent
language: Target language for generation
custom_prompt: Optional custom prompt override
Returns:
Dictionary containing generated meta descriptions and analysis
"""
try:
start_time = datetime.utcnow()
# Input validation
if not keywords or len(keywords) == 0:
raise ValueError("At least one keyword is required")
# Prepare keywords string
keywords_str = ", ".join(keywords[:10]) # Limit to 10 keywords
# Build the generation prompt
if custom_prompt:
prompt = custom_prompt
else:
prompt = self._build_meta_description_prompt(
keywords_str, tone, search_intent, language
)
# Generate meta descriptions using AI
logger.info(f"Generating meta descriptions for keywords: {keywords_str}")
ai_response = llm_text_gen(
prompt=prompt,
system_prompt=self._get_system_prompt(language)
)
# Parse and structure the response
meta_descriptions = self._parse_ai_response(ai_response)
# Analyze generated descriptions
analysis = self._analyze_meta_descriptions(meta_descriptions, keywords)
execution_time = (datetime.utcnow() - start_time).total_seconds()
result = {
"meta_descriptions": meta_descriptions,
"analysis": analysis,
"generation_params": {
"keywords": keywords,
"tone": tone,
"search_intent": search_intent,
"language": language,
"keywords_count": len(keywords)
},
"ai_model_info": {
"provider": "gemini",
"model": "gemini-2.0-flash-001",
"prompt_length": len(prompt),
"response_length": len(ai_response)
},
"execution_time": execution_time,
"timestamp": datetime.utcnow().isoformat()
}
# Log the operation
await seo_logger.log_tool_usage(
tool_name=self.service_name,
input_data={
"keywords": keywords,
"tone": tone,
"search_intent": search_intent,
"language": language
},
output_data=result,
success=True
)
await seo_logger.log_ai_analysis(
tool_name=self.service_name,
prompt=prompt,
response=ai_response,
model_used="gemini-2.0-flash-001"
)
logger.info(f"Successfully generated {len(meta_descriptions)} meta descriptions")
return result
except Exception as e:
logger.error(f"Error generating meta descriptions: {e}")
# Log the error
await seo_logger.log_tool_usage(
tool_name=self.service_name,
input_data={
"keywords": keywords,
"tone": tone,
"search_intent": search_intent,
"language": language
},
output_data={"error": str(e)},
success=False
)
raise
def _build_meta_description_prompt(
self,
keywords: str,
tone: str,
search_intent: str,
language: str
) -> str:
"""Build the AI prompt for meta description generation"""
intent_guidance = {
"Informational Intent": "Focus on providing value and answering questions",
"Commercial Intent": "Emphasize benefits and competitive advantages",
"Transactional Intent": "Include strong calls-to-action and urgency",
"Navigational Intent": "Highlight brand recognition and specific page content"
}
tone_guidance = {
"General": "balanced and professional",
"Informative": "educational and authoritative",
"Engaging": "compelling and conversational",
"Humorous": "light-hearted and memorable",
"Intriguing": "mysterious and curiosity-driven",
"Playful": "fun and energetic"
}
prompt = f"""
Create 5 compelling SEO meta descriptions for content targeting these keywords: {keywords}
Requirements:
- Length: 150-160 characters (optimal for search results)
- Language: {language}
- Tone: {tone_guidance.get(tone, tone)}
- Search Intent: {search_intent} - {intent_guidance.get(search_intent, "")}
- Include primary keywords naturally
- Create urgency or curiosity where appropriate
- Ensure each description is unique and actionable
Guidelines for effective meta descriptions:
1. Start with action words or emotional triggers
2. Include primary keyword in first 120 characters
3. Add value proposition or benefit
4. Use active voice
5. Consider including numbers or specific details
6. End with compelling reason to click
Please provide 5 different meta descriptions, each on a new line, numbered 1-5.
Focus on creating descriptions that will improve click-through rates for content creators and digital marketers.
"""
return prompt
def _get_system_prompt(self, language: str) -> str:
"""Get system prompt for meta description generation"""
return f"""You are an expert SEO copywriter specializing in meta descriptions that drive high click-through rates.
You understand search engine optimization, user psychology, and compelling copywriting.
Your goal is to create meta descriptions that:
- Accurately represent the content
- Entice users to click
- Include target keywords naturally
- Comply with search engine best practices
- Appeal to the target audience
Language: {language}
Always provide exactly 5 unique meta descriptions as requested, numbered 1-5.
"""
def _parse_ai_response(self, ai_response: str) -> List[Dict[str, Any]]:
"""Parse AI response into structured meta descriptions"""
descriptions = []
lines = ai_response.strip().split('\n')
current_desc = ""
for line in lines:
line = line.strip()
if not line:
continue
# Check if line starts with a number (1., 2., etc.)
if line and (line[0].isdigit() or line.startswith(('1.', '2.', '3.', '4.', '5.'))):
if current_desc:
# Process previous description
cleaned_desc = self._clean_description(current_desc)
if cleaned_desc:
descriptions.append(self._analyze_single_description(cleaned_desc))
# Start new description
current_desc = line
else:
# Continue current description
if current_desc:
current_desc += " " + line
# Process last description
if current_desc:
cleaned_desc = self._clean_description(current_desc)
if cleaned_desc:
descriptions.append(self._analyze_single_description(cleaned_desc))
# If parsing failed, create fallback descriptions
if not descriptions:
descriptions = self._create_fallback_descriptions(ai_response)
return descriptions[:5] # Ensure max 5 descriptions
def _clean_description(self, description: str) -> str:
"""Clean and format a meta description"""
# Remove numbering
cleaned = description
if cleaned and cleaned[0].isdigit():
# Remove "1. ", "2. ", etc.
cleaned = cleaned.split('.', 1)[-1].strip()
# Remove extra whitespace
cleaned = ' '.join(cleaned.split())
# Remove quotes if present
if cleaned.startswith('"') and cleaned.endswith('"'):
cleaned = cleaned[1:-1]
return cleaned
def _analyze_single_description(self, description: str) -> Dict[str, Any]:
"""Analyze a single meta description"""
char_count = len(description)
word_count = len(description.split())
# Check if length is optimal
length_status = "optimal" if 150 <= char_count <= 160 else \
"short" if char_count < 150 else "long"
return {
"text": description,
"character_count": char_count,
"word_count": word_count,
"length_status": length_status,
"seo_score": self._calculate_seo_score(description, char_count),
"recommendations": self._generate_recommendations(description, char_count)
}
def _calculate_seo_score(self, description: str, char_count: int) -> int:
"""Calculate SEO score for a meta description"""
score = 0
# Length scoring (40 points max)
if 150 <= char_count <= 160:
score += 40
elif 140 <= char_count <= 170:
score += 30
elif 130 <= char_count <= 180:
score += 20
else:
score += 10
# Action words (20 points max)
action_words = ['discover', 'learn', 'get', 'find', 'explore', 'unlock', 'master', 'boost', 'improve', 'achieve']
if any(word.lower() in description.lower() for word in action_words):
score += 20
# Numbers or specifics (15 points max)
if any(char.isdigit() for char in description):
score += 15
# Emotional triggers (15 points max)
emotional_words = ['amazing', 'incredible', 'proven', 'secret', 'ultimate', 'essential', 'exclusive', 'free']
if any(word.lower() in description.lower() for word in emotional_words):
score += 15
# Call to action (10 points max)
cta_phrases = ['click', 'read more', 'learn more', 'discover', 'find out', 'see how']
if any(phrase.lower() in description.lower() for phrase in cta_phrases):
score += 10
return min(score, 100) # Cap at 100
def _generate_recommendations(self, description: str, char_count: int) -> List[str]:
"""Generate recommendations for improving meta description"""
recommendations = []
if char_count < 150:
recommendations.append("Consider adding more detail to reach optimal length (150-160 characters)")
elif char_count > 160:
recommendations.append("Shorten description to fit within optimal length (150-160 characters)")
if not any(char.isdigit() for char in description):
recommendations.append("Consider adding specific numbers or statistics for better appeal")
action_words = ['discover', 'learn', 'get', 'find', 'explore', 'unlock', 'master', 'boost', 'improve', 'achieve']
if not any(word.lower() in description.lower() for word in action_words):
recommendations.append("Add action words to create urgency and encourage clicks")
if description.count(',') > 2:
recommendations.append("Simplify sentence structure for better readability")
return recommendations
def _analyze_meta_descriptions(self, descriptions: List[Dict[str, Any]], keywords: List[str]) -> Dict[str, Any]:
"""Analyze all generated meta descriptions"""
if not descriptions:
return {"error": "No descriptions generated"}
# Calculate overall statistics
avg_length = sum(desc["character_count"] for desc in descriptions) / len(descriptions)
avg_score = sum(desc["seo_score"] for desc in descriptions) / len(descriptions)
# Find best description
best_desc = max(descriptions, key=lambda x: x["seo_score"])
# Keyword coverage analysis
keyword_coverage = self._analyze_keyword_coverage(descriptions, keywords)
return {
"total_descriptions": len(descriptions),
"average_length": round(avg_length, 1),
"average_seo_score": round(avg_score, 1),
"best_description": best_desc,
"keyword_coverage": keyword_coverage,
"length_distribution": {
"optimal": len([d for d in descriptions if d["length_status"] == "optimal"]),
"short": len([d for d in descriptions if d["length_status"] == "short"]),
"long": len([d for d in descriptions if d["length_status"] == "long"])
}
}
def _analyze_keyword_coverage(self, descriptions: List[Dict[str, Any]], keywords: List[str]) -> Dict[str, Any]:
"""Analyze how well keywords are covered in descriptions"""
coverage_stats = {}
for keyword in keywords:
coverage_count = sum(
1 for desc in descriptions
if keyword.lower() in desc["text"].lower()
)
coverage_stats[keyword] = {
"covered_count": coverage_count,
"coverage_percentage": (coverage_count / len(descriptions)) * 100
}
return coverage_stats
def _create_fallback_descriptions(self, ai_response: str) -> List[Dict[str, Any]]:
"""Create fallback descriptions if parsing fails"""
# Split response into sentences and use first few as descriptions
sentences = ai_response.split('. ')
descriptions = []
for i, sentence in enumerate(sentences[:5]):
if len(sentence.strip()) > 50: # Minimum length check
desc_text = sentence.strip()
if not desc_text.endswith('.'):
desc_text += '.'
descriptions.append(self._analyze_single_description(desc_text))
return descriptions
async def health_check(self) -> Dict[str, Any]:
"""Health check for the meta description service"""
try:
# Test basic functionality
test_result = await self.generate_meta_description(
keywords=["test"],
tone="General",
search_intent="Informational Intent",
language="English"
)
return {
"status": "operational",
"service": self.service_name,
"test_passed": bool(test_result.get("meta_descriptions")),
"last_check": datetime.utcnow().isoformat()
}
except Exception as e:
return {
"status": "error",
"service": self.service_name,
"error": str(e),
"last_check": datetime.utcnow().isoformat()
}

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"""
On-Page SEO Analysis Service
Comprehensive on-page SEO analyzer with AI-enhanced insights
for content optimization and technical improvements.
"""
from typing import Dict, Any, List, Optional
from datetime import datetime
from loguru import logger
class OnPageSEOService:
"""Service for comprehensive on-page SEO analysis"""
def __init__(self):
"""Initialize the on-page SEO service"""
self.service_name = "on_page_seo_analyzer"
logger.info(f"Initialized {self.service_name}")
async def analyze_on_page_seo(
self,
url: str,
target_keywords: Optional[List[str]] = None,
analyze_images: bool = True,
analyze_content_quality: bool = True
) -> Dict[str, Any]:
"""Analyze on-page SEO factors"""
# Placeholder implementation
return {
"url": url,
"overall_score": 75,
"title_analysis": {"score": 80, "issues": [], "recommendations": []},
"meta_description": {"score": 70, "issues": [], "recommendations": []},
"heading_structure": {"score": 85, "issues": [], "recommendations": []},
"content_analysis": {"score": 75, "word_count": 1500, "readability": "Good"},
"keyword_analysis": {"target_keywords": target_keywords or [], "optimization": "Moderate"},
"image_analysis": {"total_images": 10, "missing_alt": 2} if analyze_images else {},
"recommendations": ["Optimize meta description", "Add more target keywords"]
}
async def health_check(self) -> Dict[str, Any]:
"""Health check for the on-page SEO service"""
return {
"status": "operational",
"service": self.service_name,
"last_check": datetime.utcnow().isoformat()
}

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"""
OpenGraph Tags Generation Service
AI-powered service for generating optimized OpenGraph tags
for social media and sharing platforms.
"""
from typing import Dict, Any, Optional
from datetime import datetime
from loguru import logger
class OpenGraphService:
"""Service for generating AI-powered OpenGraph tags"""
def __init__(self):
"""Initialize the OpenGraph service"""
self.service_name = "opengraph_generator"
logger.info(f"Initialized {self.service_name}")
async def generate_opengraph_tags(
self,
url: str,
title_hint: Optional[str] = None,
description_hint: Optional[str] = None,
platform: str = "General"
) -> Dict[str, Any]:
"""Generate OpenGraph tags for a URL"""
# Placeholder implementation
return {
"og_tags": {
"og:title": title_hint or "AI-Generated Title",
"og:description": description_hint or "AI-Generated Description",
"og:url": url,
"og:type": "website",
"og:image": "https://example.com/default-image.jpg"
},
"platform_optimized": platform,
"recommendations": ["Add custom image for better engagement"],
"validation": {"valid": True, "issues": []}
}
async def health_check(self) -> Dict[str, Any]:
"""Health check for the OpenGraph service"""
return {
"status": "operational",
"service": self.service_name,
"last_check": datetime.utcnow().isoformat()
}

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"""
Google PageSpeed Insights Service
AI-enhanced PageSpeed analysis service that provides comprehensive
performance insights with actionable recommendations for optimization.
"""
import aiohttp
import asyncio
from typing import Dict, Any, List, Optional
from datetime import datetime
from loguru import logger
import os
from ..llm_providers.main_text_generation import llm_text_gen
from middleware.logging_middleware import seo_logger
class PageSpeedService:
"""Service for Google PageSpeed Insights analysis with AI enhancement"""
def __init__(self):
"""Initialize the PageSpeed service"""
self.service_name = "pagespeed_analyzer"
self.api_key = os.getenv("GOOGLE_PAGESPEED_API_KEY")
self.base_url = "https://www.googleapis.com/pagespeedonline/v5/runPagespeed"
logger.info(f"Initialized {self.service_name}")
async def analyze_pagespeed(
self,
url: str,
strategy: str = "DESKTOP",
locale: str = "en",
categories: List[str] = None
) -> Dict[str, Any]:
"""
Analyze website performance using Google PageSpeed Insights
Args:
url: URL to analyze
strategy: Analysis strategy (DESKTOP/MOBILE)
locale: Locale for analysis
categories: Categories to analyze
Returns:
Dictionary containing performance analysis and AI insights
"""
try:
start_time = datetime.utcnow()
if categories is None:
categories = ["performance", "accessibility", "best-practices", "seo"]
# Validate inputs
if not url:
raise ValueError("URL is required")
if strategy not in ["DESKTOP", "MOBILE"]:
raise ValueError("Strategy must be DESKTOP or MOBILE")
logger.info(f"Analyzing PageSpeed for URL: {url} (Strategy: {strategy})")
# Fetch PageSpeed data
pagespeed_data = await self._fetch_pagespeed_data(url, strategy, locale, categories)
if not pagespeed_data:
raise Exception("Failed to fetch PageSpeed data")
# Extract and structure the data
structured_results = self._structure_pagespeed_results(pagespeed_data)
# Generate AI-enhanced insights
ai_insights = await self._generate_ai_insights(structured_results, url, strategy)
# Calculate optimization priority
optimization_plan = self._create_optimization_plan(structured_results)
execution_time = (datetime.utcnow() - start_time).total_seconds()
result = {
"url": url,
"strategy": strategy,
"analysis_date": datetime.utcnow().isoformat(),
"core_web_vitals": structured_results.get("core_web_vitals", {}),
"category_scores": structured_results.get("category_scores", {}),
"metrics": structured_results.get("metrics", {}),
"opportunities": structured_results.get("opportunities", []),
"diagnostics": structured_results.get("diagnostics", []),
"ai_insights": ai_insights,
"optimization_plan": optimization_plan,
"raw_data": {
"lighthouse_version": pagespeed_data.get("lighthouseResult", {}).get("lighthouseVersion"),
"fetch_time": pagespeed_data.get("analysisUTCTimestamp"),
"categories_analyzed": categories
},
"execution_time": execution_time
}
# Log the operation
await seo_logger.log_tool_usage(
tool_name=self.service_name,
input_data={
"url": url,
"strategy": strategy,
"locale": locale,
"categories": categories
},
output_data=result,
success=True
)
await seo_logger.log_external_api_call(
api_name="Google PageSpeed Insights",
endpoint=self.base_url,
response_code=200,
response_time=execution_time,
request_data={"url": url, "strategy": strategy}
)
logger.info(f"PageSpeed analysis completed for {url}")
return result
except Exception as e:
logger.error(f"Error analyzing PageSpeed for {url}: {e}")
# Log the error
await seo_logger.log_tool_usage(
tool_name=self.service_name,
input_data={
"url": url,
"strategy": strategy,
"locale": locale,
"categories": categories
},
output_data={"error": str(e)},
success=False
)
raise
async def _fetch_pagespeed_data(
self,
url: str,
strategy: str,
locale: str,
categories: List[str]
) -> Dict[str, Any]:
"""Fetch data from Google PageSpeed Insights API"""
# Build API URL
api_url = f"{self.base_url}?url={url}&strategy={strategy}&locale={locale}"
# Add categories
for category in categories:
api_url += f"&category={category}"
# Add API key if available
if self.api_key:
api_url += f"&key={self.api_key}"
try:
async with aiohttp.ClientSession() as session:
async with session.get(api_url, timeout=aiohttp.ClientTimeout(total=60)) as response:
if response.status == 200:
data = await response.json()
return data
else:
error_text = await response.text()
logger.error(f"PageSpeed API error {response.status}: {error_text}")
if response.status == 429:
raise Exception("PageSpeed API rate limit exceeded")
elif response.status == 400:
raise Exception(f"Invalid URL or parameters: {error_text}")
else:
raise Exception(f"PageSpeed API error: {response.status}")
except asyncio.TimeoutError:
raise Exception("PageSpeed API request timed out")
except Exception as e:
logger.error(f"Error fetching PageSpeed data: {e}")
raise
def _structure_pagespeed_results(self, data: Dict[str, Any]) -> Dict[str, Any]:
"""Structure PageSpeed results into organized format"""
lighthouse_result = data.get("lighthouseResult", {})
categories = lighthouse_result.get("categories", {})
audits = lighthouse_result.get("audits", {})
# Extract category scores
category_scores = {}
for category_name, category_data in categories.items():
category_scores[category_name] = {
"score": round(category_data.get("score", 0) * 100),
"title": category_data.get("title", ""),
"description": category_data.get("description", "")
}
# Extract Core Web Vitals
core_web_vitals = {}
cwv_metrics = ["largest-contentful-paint", "first-input-delay", "cumulative-layout-shift"]
for metric in cwv_metrics:
if metric in audits:
audit_data = audits[metric]
core_web_vitals[metric] = {
"score": audit_data.get("score"),
"displayValue": audit_data.get("displayValue"),
"numericValue": audit_data.get("numericValue"),
"title": audit_data.get("title"),
"description": audit_data.get("description")
}
# Extract key metrics
key_metrics = {}
important_metrics = [
"first-contentful-paint",
"speed-index",
"largest-contentful-paint",
"interactive",
"total-blocking-time",
"cumulative-layout-shift"
]
for metric in important_metrics:
if metric in audits:
audit_data = audits[metric]
key_metrics[metric] = {
"score": audit_data.get("score"),
"displayValue": audit_data.get("displayValue"),
"numericValue": audit_data.get("numericValue"),
"title": audit_data.get("title")
}
# Extract opportunities (performance improvements)
opportunities = []
for audit_id, audit_data in audits.items():
if (audit_data.get("scoreDisplayMode") == "numeric" and
audit_data.get("score") is not None and
audit_data.get("score") < 1 and
audit_data.get("details", {}).get("overallSavingsMs", 0) > 0):
opportunities.append({
"id": audit_id,
"title": audit_data.get("title", ""),
"description": audit_data.get("description", ""),
"score": audit_data.get("score", 0),
"savings_ms": audit_data.get("details", {}).get("overallSavingsMs", 0),
"savings_bytes": audit_data.get("details", {}).get("overallSavingsBytes", 0),
"displayValue": audit_data.get("displayValue", "")
})
# Sort opportunities by potential savings
opportunities.sort(key=lambda x: x["savings_ms"], reverse=True)
# Extract diagnostics
diagnostics = []
for audit_id, audit_data in audits.items():
if (audit_data.get("scoreDisplayMode") == "informative" or
(audit_data.get("score") is not None and audit_data.get("score") < 1)):
if audit_id not in [op["id"] for op in opportunities]:
diagnostics.append({
"id": audit_id,
"title": audit_data.get("title", ""),
"description": audit_data.get("description", ""),
"score": audit_data.get("score"),
"displayValue": audit_data.get("displayValue", "")
})
return {
"category_scores": category_scores,
"core_web_vitals": core_web_vitals,
"metrics": key_metrics,
"opportunities": opportunities[:10], # Top 10 opportunities
"diagnostics": diagnostics[:10] # Top 10 diagnostics
}
async def _generate_ai_insights(
self,
structured_results: Dict[str, Any],
url: str,
strategy: str
) -> Dict[str, Any]:
"""Generate AI-powered insights and recommendations"""
try:
# Prepare data for AI analysis
performance_score = structured_results.get("category_scores", {}).get("performance", {}).get("score", 0)
opportunities = structured_results.get("opportunities", [])
core_web_vitals = structured_results.get("core_web_vitals", {})
# Build AI prompt
prompt = self._build_ai_analysis_prompt(
url, strategy, performance_score, opportunities, core_web_vitals
)
# Generate AI insights
ai_response = llm_text_gen(
prompt=prompt,
system_prompt=self._get_system_prompt()
)
# Parse AI response
insights = self._parse_ai_insights(ai_response)
# Log AI analysis
await seo_logger.log_ai_analysis(
tool_name=self.service_name,
prompt=prompt,
response=ai_response,
model_used="gemini-2.0-flash-001"
)
return insights
except Exception as e:
logger.error(f"Error generating AI insights: {e}")
return {
"summary": "AI analysis unavailable",
"priority_actions": [],
"technical_recommendations": [],
"business_impact": "Analysis could not be completed"
}
def _build_ai_analysis_prompt(
self,
url: str,
strategy: str,
performance_score: int,
opportunities: List[Dict],
core_web_vitals: Dict
) -> str:
"""Build AI prompt for performance analysis"""
opportunities_text = "\n".join([
f"- {opp['title']}: {opp['displayValue']} (Potential savings: {opp['savings_ms']}ms)"
for opp in opportunities[:5]
])
cwv_text = "\n".join([
f"- {metric.replace('-', ' ').title()}: {data.get('displayValue', 'N/A')}"
for metric, data in core_web_vitals.items()
])
prompt = f"""
Analyze this website performance data and provide actionable insights for digital marketers and content creators:
Website: {url}
Device: {strategy}
Performance Score: {performance_score}/100
Core Web Vitals:
{cwv_text}
Top Performance Opportunities:
{opportunities_text}
Please provide:
1. Executive Summary (2-3 sentences for non-technical users)
2. Top 3 Priority Actions (specific, actionable steps)
3. Technical Recommendations (for developers)
4. Business Impact Assessment (how performance affects conversions, SEO, user experience)
5. Quick Wins (easy improvements that can be implemented immediately)
Focus on practical advice that content creators and digital marketers can understand and act upon.
"""
return prompt
def _get_system_prompt(self) -> str:
"""Get system prompt for AI analysis"""
return """You are a web performance expert specializing in translating technical PageSpeed data into actionable business insights.
Your audience includes content creators, digital marketers, and solopreneurs who need to understand how website performance impacts their business goals.
Provide clear, actionable recommendations that balance technical accuracy with business practicality.
Always explain the "why" behind recommendations and their potential impact on user experience, SEO, and conversions.
"""
def _parse_ai_insights(self, ai_response: str) -> Dict[str, Any]:
"""Parse AI response into structured insights"""
# Initialize default structure
insights = {
"summary": "",
"priority_actions": [],
"technical_recommendations": [],
"business_impact": "",
"quick_wins": []
}
try:
# Split response into sections
sections = ai_response.split('\n\n')
current_section = None
for section in sections:
section = section.strip()
if not section:
continue
# Identify section type
if 'executive summary' in section.lower() or 'summary' in section.lower():
insights["summary"] = self._extract_content(section)
elif 'priority actions' in section.lower() or 'top 3' in section.lower():
insights["priority_actions"] = self._extract_list_items(section)
elif 'technical recommendations' in section.lower():
insights["technical_recommendations"] = self._extract_list_items(section)
elif 'business impact' in section.lower():
insights["business_impact"] = self._extract_content(section)
elif 'quick wins' in section.lower():
insights["quick_wins"] = self._extract_list_items(section)
# Fallback parsing if sections not clearly identified
if not any(insights.values()):
insights["summary"] = ai_response[:300] + "..." if len(ai_response) > 300 else ai_response
except Exception as e:
logger.error(f"Error parsing AI insights: {e}")
insights["summary"] = "AI analysis completed but parsing failed"
return insights
def _extract_content(self, section: str) -> str:
"""Extract content from a section, removing headers"""
lines = section.split('\n')
content_lines = []
for line in lines:
line = line.strip()
if line and not line.endswith(':') and not line.startswith('#'):
content_lines.append(line)
return ' '.join(content_lines)
def _extract_list_items(self, section: str) -> List[str]:
"""Extract list items from a section"""
items = []
lines = section.split('\n')
for line in lines:
line = line.strip()
if line and (line.startswith('-') or line.startswith('*') or
line[0].isdigit() and '.' in line[:3]):
# Remove bullet points and numbering
clean_line = line.lstrip('-*0123456789. ').strip()
if clean_line:
items.append(clean_line)
return items[:5] # Limit to 5 items per section
def _create_optimization_plan(self, structured_results: Dict[str, Any]) -> Dict[str, Any]:
"""Create a prioritized optimization plan"""
opportunities = structured_results.get("opportunities", [])
category_scores = structured_results.get("category_scores", {})
# Calculate priority score for each opportunity
prioritized_opportunities = []
for opp in opportunities:
priority_score = self._calculate_priority_score(opp)
prioritized_opportunities.append({
**opp,
"priority_score": priority_score,
"difficulty": self._estimate_difficulty(opp["id"]),
"impact": self._estimate_impact(opp["savings_ms"])
})
# Sort by priority score
prioritized_opportunities.sort(key=lambda x: x["priority_score"], reverse=True)
# Create implementation phases
phases = {
"immediate": [], # High impact, low difficulty
"short_term": [], # Medium impact or difficulty
"long_term": [] # High difficulty but important
}
for opp in prioritized_opportunities:
if opp["difficulty"] == "Low" and opp["impact"] in ["High", "Medium"]:
phases["immediate"].append(opp)
elif opp["difficulty"] in ["Low", "Medium"]:
phases["short_term"].append(opp)
else:
phases["long_term"].append(opp)
return {
"overall_assessment": self._generate_overall_assessment(category_scores),
"prioritized_opportunities": prioritized_opportunities[:10],
"implementation_phases": phases,
"estimated_improvement": self._estimate_total_improvement(prioritized_opportunities[:5])
}
def _calculate_priority_score(self, opportunity: Dict[str, Any]) -> int:
"""Calculate priority score for an opportunity"""
savings_ms = opportunity.get("savings_ms", 0)
savings_bytes = opportunity.get("savings_bytes", 0)
# Base score from time savings
score = min(savings_ms / 100, 50) # Cap at 50 points
# Add points for byte savings
score += min(savings_bytes / 10000, 25) # Cap at 25 points
# Bonus points for specific high-impact optimizations
high_impact_audits = [
"unused-javascript",
"render-blocking-resources",
"largest-contentful-paint-element",
"cumulative-layout-shift"
]
if opportunity.get("id") in high_impact_audits:
score += 25
return min(int(score), 100)
def _estimate_difficulty(self, audit_id: str) -> str:
"""Estimate implementation difficulty"""
easy_fixes = [
"unused-css-rules",
"unused-javascript",
"render-blocking-resources",
"image-size-responsive"
]
medium_fixes = [
"largest-contentful-paint-element",
"cumulative-layout-shift",
"total-blocking-time"
]
if audit_id in easy_fixes:
return "Low"
elif audit_id in medium_fixes:
return "Medium"
else:
return "High"
def _estimate_impact(self, savings_ms: int) -> str:
"""Estimate performance impact"""
if savings_ms >= 1000:
return "High"
elif savings_ms >= 500:
return "Medium"
else:
return "Low"
def _generate_overall_assessment(self, category_scores: Dict[str, Any]) -> str:
"""Generate overall performance assessment"""
performance_score = category_scores.get("performance", {}).get("score", 0)
if performance_score >= 90:
return "Excellent performance with minor optimization opportunities"
elif performance_score >= 70:
return "Good performance with some areas for improvement"
elif performance_score >= 50:
return "Average performance requiring attention to key areas"
else:
return "Poor performance requiring immediate optimization efforts"
def _estimate_total_improvement(self, top_opportunities: List[Dict]) -> Dict[str, Any]:
"""Estimate total improvement from top opportunities"""
total_savings_ms = sum(opp.get("savings_ms", 0) for opp in top_opportunities)
total_savings_mb = sum(opp.get("savings_bytes", 0) for opp in top_opportunities) / (1024 * 1024)
# Estimate score improvement (rough calculation)
estimated_score_gain = min(total_savings_ms / 200, 30) # Conservative estimate
return {
"potential_time_savings": f"{total_savings_ms/1000:.1f} seconds",
"potential_size_savings": f"{total_savings_mb:.1f} MB",
"estimated_score_improvement": f"+{estimated_score_gain:.0f} points",
"confidence": "Medium" if total_savings_ms > 1000 else "Low"
}
async def health_check(self) -> Dict[str, Any]:
"""Health check for the PageSpeed service"""
try:
# Test with a simple URL
test_url = "https://example.com"
result = await self.analyze_pagespeed(test_url, "DESKTOP", "en", ["performance"])
return {
"status": "operational",
"service": self.service_name,
"api_key_configured": bool(self.api_key),
"test_passed": bool(result.get("category_scores")),
"last_check": datetime.utcnow().isoformat()
}
except Exception as e:
return {
"status": "error",
"service": self.service_name,
"error": str(e),
"last_check": datetime.utcnow().isoformat()
}

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"""
Technical SEO Analysis Service
Comprehensive technical SEO crawler and analyzer with AI-enhanced
insights for website optimization and search engine compatibility.
"""
from typing import Dict, Any, List, Optional
from datetime import datetime
from loguru import logger
class TechnicalSEOService:
"""Service for technical SEO analysis and crawling"""
def __init__(self):
"""Initialize the technical SEO service"""
self.service_name = "technical_seo_analyzer"
logger.info(f"Initialized {self.service_name}")
async def analyze_technical_seo(
self,
url: str,
crawl_depth: int = 3,
include_external_links: bool = True,
analyze_performance: bool = True
) -> Dict[str, Any]:
"""Analyze technical SEO factors"""
# Placeholder implementation
return {
"url": url,
"pages_crawled": 25,
"crawl_depth": crawl_depth,
"technical_issues": [
{"type": "Missing robots.txt", "severity": "Medium", "pages_affected": 1},
{"type": "Slow loading pages", "severity": "High", "pages_affected": 3}
],
"site_structure": {"internal_links": 150, "external_links": 25 if include_external_links else 0},
"performance_metrics": {"avg_load_time": 2.5, "largest_contentful_paint": 1.8} if analyze_performance else {},
"recommendations": ["Implement robots.txt", "Optimize page load speed"],
"crawl_summary": {"successful": 23, "errors": 2, "redirects": 5}
}
async def health_check(self) -> Dict[str, Any]:
"""Health check for the technical SEO service"""
return {
"status": "operational",
"service": self.service_name,
"last_check": datetime.utcnow().isoformat()
}