diff --git a/lib/ai_web_researcher/firecrawl_web_crawler.py b/lib/ai_web_researcher/firecrawl_web_crawler.py
index 2068f636..1cb5cce6 100644
--- a/lib/ai_web_researcher/firecrawl_web_crawler.py
+++ b/lib/ai_web_researcher/firecrawl_web_crawler.py
@@ -1,34 +1,29 @@
 import os
 from pathlib import Path
-
 from firecrawl import FirecrawlApp
 import logging
 from dotenv import load_dotenv
+
 # Load environment variables from .env file
 load_dotenv(Path('../../.env'))
 
+# Configure logging
 logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
 
-
-def initialize_client():
+def initialize_client() -> FirecrawlApp:
     """
     Initialize and return a Firecrawl client.
 
-    Args:
-        api_key (str): Your Firecrawl API key.
-
     Returns:
-        firecrawl.Client: An instance of the Firecrawl client.
+        FirecrawlApp: An instance of the Firecrawl client.
     """
     return FirecrawlApp(api_key=os.getenv("FIRECRAWL_API_KEY"))
 
-
-def scrape_website(website_url, depth=1, max_pages=10):
+def scrape_website(website_url: str, depth: int = 1, max_pages: int = 10) -> dict:
     """
     Scrape a website starting from the given URL.
 
     Args:
-        api_key (str): Your Firecrawl API key.
         website_url (str): The URL of the website to scrape.
         depth (int, optional): The depth of crawling. Default is 1.
         max_pages (int, optional): The maximum number of pages to scrape. Default is 10.
@@ -36,7 +31,7 @@ def scrape_website(website_url, depth=1, max_pages=10):
     Returns:
         dict: The result of the website scraping, or None if an error occurred.
     """
-    client = FirecrawlApp(api_key=os.getenv("FIRECRAWL_API_KEY"))
+    client = initialize_client()
     try:
         result = client.crawl_url({
             'url': website_url,
@@ -44,43 +39,41 @@ def scrape_website(website_url, depth=1, max_pages=10):
             'max_pages': max_pages
         })
         return result
+    except KeyError as e:
+        logging.error(f"Missing key in data: {e}")
+    except ValueError as e:
+        logging.error(f"Value error: {e}")
     except Exception as e:
         logging.error(f"Error scraping website: {e}")
-        return None
+    return None
 
-
-def scrape_url(url):
+def scrape_url(url: str) -> dict:
     """
     Scrape a specific URL.
 
     Args:
-        api_key (str): Your Firecrawl API key.
         url (str): The URL to scrape.
 
     Returns:
         dict: The result of the URL scraping, or None if an error occurred.
     """
     client = initialize_client()
-    #params = {
-    #'pageOptions': {
-    #    'onlyMainContent': True
-    #    }
-    #}
     try:
-        #result = client.scrape_url(url, params=params)
         result = client.scrape_url(url)
         return result
+    except KeyError as e:
+        logging.error(f"Missing key in data: {e}")
+    except ValueError as e:
+        logging.error(f"Value error: {e}")
     except Exception as e:
         logging.error(f"Error scraping URL: {e}")
-        return None
+    return None
 
-
-def extract_data(url, schema):
+def extract_data(url: str, schema: dict) -> dict:
     """
     Extract structured data from a URL using the provided schema.
 
     Args:
-        api_key (str): Your Firecrawl API key.
         url (str): The URL to extract data from.
         schema (dict): The schema to use for data extraction.
 
@@ -94,6 +87,10 @@ def extract_data(url, schema):
             'schema': schema
         })
         return result
+    except KeyError as e:
+        logging.error(f"Missing key in data: {e}")
+    except ValueError as e:
+        logging.error(f"Value error: {e}")
     except Exception as e:
         logging.error(f"Error extracting data: {e}")
-        return None
+    return None