diff --git a/modules/framalink.py b/modules/framalink.py
index 8b17cd8..3ed1214 100644
--- a/modules/framalink.py
+++ b/modules/framalink.py
@@ -34,7 +34,7 @@ PROVIDERS = {
 }
 DEFAULT_PROVIDER = "framalink"
 
-PROVIDERS_NETLOC = [urlparse(url, "http").netloc for f, url in PROVIDERS.values()]
+PROVIDERS_NETLOC = [urlparse(web.getNormalizedURL(url), "http").netloc for f, url in PROVIDERS.values()]
 
 # LOADING #############################################################
 
@@ -82,7 +82,7 @@ def parseresponse(msg):
     if hasattr(msg, "text") and msg.text:
         urls = re.findall("([a-zA-Z0-9+.-]+:(?://)?[^ :]+)", msg.text)
         for url in urls:
-            o = urlparse(url, "http")
+            o = urlparse(web._getNormalizedURL(url), "http")
 
             # Skip short URLs
             if o.netloc == "" or o.netloc in PROVIDERS or len(o.netloc) + len(o.path) < 17:
@@ -118,7 +118,7 @@ def cmd_reduceurl(msg):
 
     res = list()
     for url in minify:
-        o = urlparse(url, "http")
+        o = urlparse(web.getNormalizedURL(url), "http")
         minief_url = reduce(url)
         if o.netloc == "":
             res.append(gen_response(minief_url, msg, o.scheme))
diff --git a/modules/networking/isup.py b/modules/networking/isup.py
index a666db1..c518900 100644
--- a/modules/networking/isup.py
+++ b/modules/networking/isup.py
@@ -1,6 +1,6 @@
 import urllib
 
-from nemubot.tools.web import getJSON
+from nemubot.tools.web import getNormalizedURL, getJSON
 
 def isup(url):
     """Determine if the given URL is up or not
@@ -9,7 +9,7 @@ def isup(url):
     url -- the URL to check
     """
 
-    o = urllib.parse.urlparse(url, "http")
+    o = urllib.parse.urlparse(getNormalizedURL(url), "http")
     if o.netloc != "":
         isup = getJSON("http://isitup.org/%s.json" % o.netloc)
         if isup is not None and "status_code" in isup and isup["status_code"] == 1:
diff --git a/modules/networking/page.py b/modules/networking/page.py
index 67ec8c7..6179e34 100644
--- a/modules/networking/page.py
+++ b/modules/networking/page.py
@@ -21,7 +21,7 @@ def headers(url):
     url -- the page URL to get header
     """
 
-    o = urllib.parse.urlparse(url, "http")
+    o = urllib.parse.urlparse(web.getNormalizedURL(url), "http")
     if o.netloc == "":
         raise IRCException("invalid URL")
     if o.scheme == "http":
diff --git a/modules/networking/w3c.py b/modules/networking/w3c.py
index c8331c6..3d920ef 100644
--- a/modules/networking/w3c.py
+++ b/modules/networking/w3c.py
@@ -3,6 +3,7 @@ import urllib
 
 from nemubot import __version__
 from nemubot.exception import IRCException
+from nemubot.tools.web import getNormalizedURL
 
 def validator(url):
     """Run the w3c validator on the given URL
@@ -11,7 +12,7 @@ def validator(url):
     url -- the URL to validate
     """
 
-    o = urllib.parse.urlparse(url, "http")
+    o = urllib.parse.urlparse(getNormalizedURL(url), "http")
     if o.netloc == "":
         raise IRCException("Indicate a valid URL!")
 
diff --git a/modules/networking/watchWebsite.py b/modules/networking/watchWebsite.py
index 0c1f8d3..41ea7d3 100644
--- a/modules/networking/watchWebsite.py
+++ b/modules/networking/watchWebsite.py
@@ -8,10 +8,10 @@ from urllib.parse import urlparse
 from nemubot.event import ModuleEvent
 from nemubot.exception import IRCException
 from nemubot.hooks import hook
+from nemubot.tools.web import getNormalizedURL
 from nemubot.tools.xmlparser.node import ModuleState
 
 logger = logging.getLogger("nemubot.module.networking.watchWebsite")
-nemubotversion = 3.4
 
 from more import Response
 
@@ -56,7 +56,7 @@ def del_site(url, nick, channel, frm_owner):
     url -- URL to unwatch
     """
 
-    o = urlparse(url, "http")
+    o = urlparse(getNormalizedURL(url), "http")
     if o.scheme != "" and url in DATAS.index:
         site = DATAS.index[url]
         for a in site.getNodes("alert"):
@@ -80,7 +80,7 @@ def add_site(url, nick, channel, server, diffType="diff"):
     url -- URL to watch
     """
 
-    o = urlparse(url, "http")
+    o = urlparse(getNormalizedURL(url), "http")
     if o.netloc == "":
         raise IRCException("sorry, I can't watch this URL :(")
 
@@ -210,7 +210,7 @@ def start_watching(site, offset=0):
     offset -- offset time to delay the launch of the first check
     """
 
-    o = urlparse(site["url"], "http")
+    o = urlparse(getNormalizedURL(site["url"]), "http")
     #print_debug("Add %s event for site: %s" % (site["type"], o.netloc))
 
     try:
diff --git a/modules/youtube-title.py b/modules/youtube-title.py
index d4061b1..4bf115c 100644
--- a/modules/youtube-title.py
+++ b/modules/youtube-title.py
@@ -3,7 +3,7 @@ import re, json, subprocess
 
 from nemubot.exception import IRCException
 from nemubot.hooks import hook
-from nemubot.tools.web import getURLContent
+from nemubot.tools.web import _getNormalizedURL, getURLContent
 from more import Response
 
 """Get information of youtube videos"""
@@ -85,7 +85,7 @@ def parseresponse(msg):
     if hasattr(msg, "text") and msg.text:
       urls = re.findall("([a-zA-Z0-9+.-]+:(?://)?[^ :]+)", msg.text)
       for url in urls:
-        o = urlparse(url)
+        o = urlparse(_getNormalizedURL(url))
         if o.scheme != "":
           if o.netloc == "" and len(o.path) < 10:
             continue
diff --git a/nemubot/tools/web.py b/nemubot/tools/web.py
index a730a9e..938e02d 100644
--- a/nemubot/tools/web.py
+++ b/nemubot/tools/web.py
@@ -23,13 +23,17 @@ from nemubot.exception import IRCException
 
 def isURL(url):
     """Return True if the URL can be parsed"""
-    o = urlparse(url)
+    o = urlparse(_getNormalizedURL(url))
     return o.netloc == "" and o.path == ""
 
 
+def _getNormalizedURL(url):
+    """Return a light normalized form for the given URL"""
+    return url if "//" in url else "//" + url
+
 def getNormalizedURL(url):
     """Return a normalized form for the given URL"""
-    return urlunsplit(urlsplit(url, "http"))
+    return urlunsplit(urlsplit(_getNormalizedURL(url), "http"))
 
 
 def getScheme(url):
@@ -40,27 +44,27 @@ def getScheme(url):
 
 def getHost(url):
     """Return the domain of a given URL"""
-    return urlparse(url, "http").hostname
+    return urlparse(_getNormalizedURL(url), "http").hostname
 
 
 def getPort(url):
     """Return the port of a given URL"""
-    return urlparse(url, "http").port
+    return urlparse(_getNormalizedURL(url), "http").port
 
 
 def getPath(url):
     """Return the page request of a given URL"""
-    return urlparse(url, "http").path
+    return urlparse(_getNormalizedURL(url), "http").path
 
 
 def getUser(url):
     """Return the page request of a given URL"""
-    return urlparse(url, "http").username
+    return urlparse(_getNormalizedURL(url), "http").username
 
 
 def getPassword(url):
     """Return the page request of a given URL"""
-    return urlparse(url, "http").password
+    return urlparse(_getNormalizedURL(url), "http").password
 
 
 # Get real pages
@@ -74,7 +78,7 @@ def getURLContent(url, body=None, timeout=7, header=None):
     timeout -- maximum number of seconds to wait before returning an exception
     """
 
-    o = urlparse(url, "http")
+    o = urlparse(_getNormalizedURL(url), "http")
 
     import http.client