diff --git a/src/crawl.py b/src/crawl.py
index 39ccdc2..dcac7ed 100755
--- a/src/crawl.py
+++ b/src/crawl.py
@@ -13,7 +13,7 @@ def get_html(url: str) -> str:
     response = requests.get(url)
     return response.content
 
-def parse_html(url: str, html: str, recursion: int = 0) -> bool:
+def parse_html(url: str, html: str, recursion: int = 0, traversed_links = []) -> bool:
     print(url)
     print(recursion)
     urlparts = urlparse(url)
@@ -41,12 +41,13 @@ def parse_html(url: str, html: str, recursion: int = 0) -> bool:
             continue
         if not "http" in link:
             link = urljoin(url, link)
-        if (recursion > 0):
+        if (recursion > 0 and link not in traversed_links):
             try:
+                traversed_links.append(link)
                 link_html = get_html(link)
                 r = recursion -1 
-                sleep(0.5)
-                parse_html(link, link_html)
+                sleep(1)
+                parse_html(link, link_html, r, traversed_links)
             except:
                 pass
 #        else: