diff --git a/mongo/mongocwarler.py b/mongo/mongocwarler.py
index 06ac526..3b83b5f 100644
--- a/mongo/mongocwarler.py
+++ b/mongo/mongocwarler.py
@@ -36,10 +36,10 @@ def calculate_checksums(text):
         sizes.append(sz)
     return checksums, sizes
 
-def filter_links(links):
+def filter_links(links,language="sk"):
     out = set()
     for link in links:
-        r = courlan.check_url(link)
+        r = courlan.check_url(link,strict=True,language=language)
         if r is None:
             continue
         llink,ldomain = r
@@ -58,7 +58,7 @@ def get_link_doc(link,status="frontlink"):
     r  = courlan.check_url(link)
     assert r is not None
     link,host = r
-    domain = extract_domain(link)
+    domain = courlan.extract_domain(link)
     return {"url":link,"host":host,"domain":domain,"status":status}
 
 def generic_visit(domain):
@@ -81,13 +81,14 @@ def fetch_pages(link_batch):
         htmls.append(trafilatura.fetch_url(link))
     return htmls
 
-def fetch_front_links(start_link):
-    known_links = []
+def fetch_front_links(navigation_links):
+    start_link = navigation_links[0]
+    known_links = navigation_links[1:]
     visit_links,known_links = trafilatura.spider.focused_crawler(start_link,known_links=known_links)
     filtered_links = filter_links(visit_links)
     return filtered_links
 
-def extract_pages(link_batch,htmls):
+def extract_pages(link_batch,responses):
     out = []
     for link,response in zip(link_batch,responses):
         doc = None
@@ -127,11 +128,15 @@ def index_pages(db,domain,extracted_pages):
         filtered_links = filter_links(extracted_links)
         for llink in filtered_links:
             doc = get_link_doc(link,"backlink")
-            linkcol.insert_one(doc,upsert=True)
+            if courlan.is_external(link,domain):
+                doc["status"]= "frontlink"
+            elif courlan.is_navigation(link):
+                doc["status"] = "navigation"
+            linkcol.insert_one(doc)
 
 def get_links(db,domain,status,batch_size=100):
     linkcol = db["links"]
-    res  = linkcol.find({"status":status,"domain":domain},limit=batch_size)
+    res  = linkcol.find({"status":status,"hostname":domain},limit=batch_size)
     front_links = []
     for doc in res:
         front_links.append(doc["url"])
@@ -156,15 +161,18 @@ def simple_visit(start_link):
     start_link,domain = courlan.check_url(start_link)
     myclient = pymongo.MongoClient("mongodb://root:example@localhost:27017/")
     db=myclient["crawler"]
-    new_front_links = fetch_front_links(start_link)
+    navigation_links =[start_link]
+    navigation_links += get_links(db,"navigation",domain)
+    new_front_links = fetch_front_links(navigation_links)
     print("NEW FRONT LINKS")
     print(new_front_links)
     index_front_links(db,new_front_links)
-    visit_links = get_links(db,"frontlink",domain)
+    front_links = get_links(db,"frontlink",domain)
     print("NEW VISIT LINKS")
+    visit_links = front_links
     print(visit_links)
     responses = fetch_pages(visit_links)
-    extracted_pages = extract_pages(visit_links,htmls)
+    extracted_pages = extract_pages(visit_links,responses)
     index_pages(db,domain,extracted_pages)
 
 simple_visit(sys.argv[1])