diff --git a/analytical/templatetags/analytical.py b/analytical/templatetags/analytical.py
index 72eaeb6..b8365f0 100644
--- a/analytical/templatetags/analytical.py
+++ b/analytical/templatetags/analytical.py
@@ -5,14 +5,13 @@
 from __future__ import absolute_import
 
 import logging
+from importlib import import_module
 
 from django import template
 from django.template import Node, TemplateSyntaxError
-from importlib import import_module
 
 from analytical.utils import AnalyticalException
 
-
 TAG_LOCATIONS = ['head_top', 'head_bottom', 'body_top', 'body_bottom']
 TAG_POSITIONS = ['first', None, 'last']
 TAG_MODULES = [
@@ -83,7 +82,7 @@ def add_node_cls(location, node, position=None):
         try:
             module.contribute_to_analytical(add_node_cls)
         except AnalyticalException as e:
-            logger.debug("not loading tags from '%s': %s", path, e)
+            logger.trace("django-analytical settings not (or not properly) configured for '%s': %s", path, e)
     for location in TAG_LOCATIONS:
         template_nodes[location] = sum((template_nodes[location][p]
                                         for p in TAG_POSITIONS), [])
diff --git a/analytical/templatetags/chartbeat.py b/analytical/templatetags/chartbeat.py
index 6168c13..90a7af4 100644
--- a/analytical/templatetags/chartbeat.py
+++ b/analytical/templatetags/chartbeat.py
@@ -13,7 +13,6 @@
 
 from analytical.utils import is_internal_ip, disable_html, get_required_setting
 
-
 USER_ID_RE = re.compile(r'^\d+$')
 INIT_CODE = """<script type="text/javascript">var _sf_startpt=(new Date()).getTime()</script>"""
 SETUP_CODE = """
@@ -57,6 +56,8 @@ def chartbeat_top(parser, token):
 
 class ChartbeatTopNode(Node):
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         if is_internal_ip(context):
             return disable_html(INIT_CODE, "Chartbeat")
         return INIT_CODE
@@ -83,6 +84,8 @@ def __init__(self):
                                             "must be (a string containing) a number")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         config = {'uid': self.user_id}
         domain = _get_domain(context)
         if domain is not None:
diff --git a/analytical/templatetags/clickmap.py b/analytical/templatetags/clickmap.py
index 8d7f00f..15a404c 100644
--- a/analytical/templatetags/clickmap.py
+++ b/analytical/templatetags/clickmap.py
@@ -6,11 +6,11 @@
 
 import re
 
+from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 
 from analytical.utils import is_internal_ip, disable_html, get_required_setting
 
-
 CLICKMAP_TRACKER_ID_RE = re.compile(r'^\w+$')
 TRACKING_CODE = """
     <script type="text/javascript">
@@ -50,6 +50,8 @@ def __init__(self):
                                                "must be an alphanumeric string")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         html = TRACKING_CODE % {'tracker_id': self.tracker_id}
         if is_internal_ip(context, 'CLICKMAP'):
             html = disable_html(html, 'Clickmap')
diff --git a/analytical/templatetags/clicky.py b/analytical/templatetags/clicky.py
index f493684..a1c8888 100644
--- a/analytical/templatetags/clicky.py
+++ b/analytical/templatetags/clicky.py
@@ -7,11 +7,11 @@
 import json
 import re
 
+from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 
 from analytical.utils import get_identity, is_internal_ip, disable_html, \
-        get_required_setting
-
+    get_required_setting
 
 SITE_ID_RE = re.compile(r'^\d+$')
 TRACKING_CODE = """
@@ -56,6 +56,8 @@ def __init__(self):
             "must be a (string containing) a number")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         custom = {}
         for dict_ in context:
             for var, val in dict_.items():
diff --git a/analytical/templatetags/crazy_egg.py b/analytical/templatetags/crazy_egg.py
index 99a58c5..8d86532 100644
--- a/analytical/templatetags/crazy_egg.py
+++ b/analytical/templatetags/crazy_egg.py
@@ -6,11 +6,11 @@
 
 import re
 
+from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 
 from analytical.utils import is_internal_ip, disable_html, get_required_setting
 
-
 ACCOUNT_NUMBER_RE = re.compile(r'^\d+$')
 SETUP_CODE = '<script type="text/javascript" src="{placeholder_url}">' \
              '</script>'.\
@@ -45,6 +45,8 @@ def __init__(self):
         )
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         html = SETUP_CODE % {
             'account_nr_1': self.account_nr[:4],
             'account_nr_2': self.account_nr[4:],
diff --git a/analytical/templatetags/facebook_pixel.py b/analytical/templatetags/facebook_pixel.py
index 33dac0a..2624d2d 100644
--- a/analytical/templatetags/facebook_pixel.py
+++ b/analytical/templatetags/facebook_pixel.py
@@ -5,11 +5,11 @@
 
 import re
 
+from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 
 from analytical.utils import get_required_setting, is_internal_ip, disable_html
 
-
 FACEBOOK_PIXEL_HEAD_CODE = """\
 <script>
   !function(f,b,e,v,n,t,s)
@@ -70,6 +70,8 @@ def __init__(self):
         )
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         html = self.code_template % {'FACEBOOK_PIXEL_ID': self.pixel_id}
         if is_internal_ip(context, 'FACEBOOK_PIXEL'):
             return disable_html(html, 'Facebook Pixel')
diff --git a/analytical/templatetags/gauges.py b/analytical/templatetags/gauges.py
index 60b6586..c0f5c89 100644
--- a/analytical/templatetags/gauges.py
+++ b/analytical/templatetags/gauges.py
@@ -6,6 +6,7 @@
 
 import re
 
+from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 
 from analytical.utils import is_internal_ip, disable_html, get_required_setting
@@ -52,6 +53,8 @@ def __init__(self):
                 "must be a string looking like 'XXXXXXX'")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         html = TRACKING_CODE % {'site_id': self.site_id}
         if is_internal_ip(context, 'GAUGES'):
             html = disable_html(html, 'Gauges')
diff --git a/analytical/templatetags/google_analytics.py b/analytical/templatetags/google_analytics.py
index 3ac1deb..a996085 100644
--- a/analytical/templatetags/google_analytics.py
+++ b/analytical/templatetags/google_analytics.py
@@ -86,6 +86,8 @@ def __init__(self):
             "must be a string looking like 'UA-XXXXXX-Y'")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         commands = self._get_domain_commands(context)
         commands.extend(self._get_custom_var_commands(context))
         commands.extend(self._get_other_commands(context))
diff --git a/analytical/templatetags/google_analytics_gtag.py b/analytical/templatetags/google_analytics_gtag.py
index 8b4a2d2..af889f0 100644
--- a/analytical/templatetags/google_analytics_gtag.py
+++ b/analytical/templatetags/google_analytics_gtag.py
@@ -6,6 +6,7 @@
 
 import re
 
+from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 
 from analytical.utils import (
@@ -51,6 +52,8 @@ def __init__(self):
             "must be a string looking like 'UA-XXXXXX-Y'")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         html = SETUP_CODE.format(
             property_id=self.property_id,
         )
diff --git a/analytical/templatetags/google_analytics_js.py b/analytical/templatetags/google_analytics_js.py
index d23467e..373f969 100644
--- a/analytical/templatetags/google_analytics_js.py
+++ b/analytical/templatetags/google_analytics_js.py
@@ -6,6 +6,7 @@
 
 import decimal
 import re
+
 from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 
@@ -62,6 +63,8 @@ def __init__(self):
             "must be a string looking like 'UA-XXXXXX-Y'")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         import json
         create_fields = self._get_domain_fields(context)
         create_fields.update(self._get_other_create_fields(context))
diff --git a/analytical/templatetags/gosquared.py b/analytical/templatetags/gosquared.py
index a42267e..609bc07 100644
--- a/analytical/templatetags/gosquared.py
+++ b/analytical/templatetags/gosquared.py
@@ -6,11 +6,11 @@
 
 import re
 
+from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 
 from analytical.utils import get_identity, \
-        is_internal_ip, disable_html, get_required_setting
-
+    is_internal_ip, disable_html, get_required_setting
 
 TOKEN_RE = re.compile(r'^\S+-\S+-\S+$')
 TRACKING_CODE = """
@@ -55,6 +55,8 @@ def __init__(self):
                 "must be a string looking like XXX-XXXXXX-X")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         configs = [TOKEN_CODE % self.site_token]
         identity = get_identity(context, 'gosquared', self._identify)
         if identity:
diff --git a/analytical/templatetags/hotjar.py b/analytical/templatetags/hotjar.py
index b85a126..1fc13a3 100644
--- a/analytical/templatetags/hotjar.py
+++ b/analytical/templatetags/hotjar.py
@@ -5,11 +5,11 @@
 
 import re
 
+from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 
 from analytical.utils import get_required_setting, is_internal_ip, disable_html
 
-
 HOTJAR_TRACKING_CODE = """\
 <script>
     (function(h,o,t,j,a,r){
@@ -52,6 +52,8 @@ def __init__(self):
         )
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         html = HOTJAR_TRACKING_CODE % {'HOTJAR_SITE_ID': self.site_id}
         if is_internal_ip(context, 'HOTJAR'):
             return disable_html(html, 'Hotjar')
diff --git a/analytical/templatetags/hubspot.py b/analytical/templatetags/hubspot.py
index fc011e3..3fa2cba 100644
--- a/analytical/templatetags/hubspot.py
+++ b/analytical/templatetags/hubspot.py
@@ -6,11 +6,11 @@
 
 import re
 
+from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 
 from analytical.utils import is_internal_ip, disable_html, get_required_setting
 
-
 PORTAL_ID_RE = re.compile(r'^\d+$')
 TRACKING_CODE = """
     <!-- Start of Async HubSpot Analytics Code -->
@@ -48,6 +48,8 @@ def __init__(self):
                                               "must be a (string containing a) number")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         html = TRACKING_CODE % {'portal_id': self.portal_id}
         if is_internal_ip(context, 'HUBSPOT'):
             html = disable_html(html, 'HubSpot')
diff --git a/analytical/templatetags/intercom.py b/analytical/templatetags/intercom.py
index a2d34a3..3a4a503 100644
--- a/analytical/templatetags/intercom.py
+++ b/analytical/templatetags/intercom.py
@@ -7,16 +7,16 @@
 import hashlib
 import hmac
 import json
-import sys
 import re
+import sys
 import time
 
 from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 
 from analytical.utils import disable_html, get_required_setting, \
-        is_internal_ip, get_user_from_context, get_identity, \
-        get_user_is_authenticated
+    is_internal_ip, get_user_from_context, get_identity, \
+    get_user_is_authenticated
 
 APP_ID_RE = re.compile(r'[\da-z]+$')
 TRACKING_CODE = """
@@ -126,6 +126,8 @@ def _get_custom_attrs(self, context):
         return params
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         params = self._get_custom_attrs(context)
         params["app_id"] = self.app_id
         html = TRACKING_CODE % {
diff --git a/analytical/templatetags/kiss_insights.py b/analytical/templatetags/kiss_insights.py
index 8381eb3..a4072de 100644
--- a/analytical/templatetags/kiss_insights.py
+++ b/analytical/templatetags/kiss_insights.py
@@ -6,11 +6,11 @@
 
 import re
 
+from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 
 from analytical.utils import get_identity, get_required_setting
 
-
 ACCOUNT_NUMBER_RE = re.compile(r'^\d+$')
 SITE_CODE_RE = re.compile(r'^[\w]+$')
 SETUP_CODE = """
@@ -51,6 +51,8 @@ def __init__(self):
             "must be a string containing three characters")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         commands = []
         identity = get_identity(context, 'kiss_insights')
         if identity is not None:
diff --git a/analytical/templatetags/kiss_metrics.py b/analytical/templatetags/kiss_metrics.py
index 4706dbd..f0cebea 100644
--- a/analytical/templatetags/kiss_metrics.py
+++ b/analytical/templatetags/kiss_metrics.py
@@ -7,11 +7,11 @@
 import json
 import re
 
+from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 
 from analytical.utils import is_internal_ip, disable_html, get_identity, \
-        get_required_setting
-
+    get_required_setting
 
 API_KEY_RE = re.compile(r'^[0-9a-f]{40}$')
 TRACKING_CODE = """
@@ -66,6 +66,8 @@ def __init__(self):
             "must be a string containing a 40-digit hexadecimal number")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         commands = []
         identity = get_identity(context, 'kiss_metrics')
         if identity is not None:
diff --git a/analytical/templatetags/matomo.py b/analytical/templatetags/matomo.py
index 98bdf8a..11e1ef9 100644
--- a/analytical/templatetags/matomo.py
+++ b/analytical/templatetags/matomo.py
@@ -4,9 +4,9 @@
 
 from __future__ import absolute_import
 
+import re
 from collections import namedtuple
 from itertools import chain
-import re
 
 from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
@@ -14,7 +14,6 @@
 from analytical.utils import (is_internal_ip, disable_html,
                               get_required_setting, get_identity)
 
-
 # domain name (characters separated by a dot), optional port, optional URI path, no slash
 DOMAINPATH_RE = re.compile(r'^(([^./?#@:]+\.)*[^./?#@:]+)+(:[0-9]+)?(/[^/?#@:]+)*$')
 
@@ -84,6 +83,8 @@ def __init__(self):
                                  "must be a (string containing a) number")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         custom_variables = context.get('matomo_vars', ())
 
         complete_variables = (var if len(var) >= 4 else var + (DEFAULT_SCOPE,)
diff --git a/analytical/templatetags/mixpanel.py b/analytical/templatetags/mixpanel.py
index caab030..f605c20 100644
--- a/analytical/templatetags/mixpanel.py
+++ b/analytical/templatetags/mixpanel.py
@@ -7,12 +7,12 @@
 import json
 import re
 
+from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 from django.utils.safestring import mark_safe
 
 from analytical.utils import is_internal_ip, disable_html, get_identity, \
-        get_required_setting
-
+    get_required_setting
 
 MIXPANEL_API_TOKEN_RE = re.compile(r'^[0-9a-f]{32}$')
 TRACKING_CODE = """
@@ -52,6 +52,8 @@ def __init__(self):
                 "must be a string containing a 32-digit hexadecimal number")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         commands = []
         identity = get_identity(context, 'mixpanel')
         if identity is not None:
diff --git a/analytical/templatetags/olark.py b/analytical/templatetags/olark.py
index 2b85648..edf53ab 100644
--- a/analytical/templatetags/olark.py
+++ b/analytical/templatetags/olark.py
@@ -7,11 +7,11 @@
 import json
 import re
 
+from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 
 from analytical.utils import get_identity, get_required_setting
 
-
 SITE_ID_RE = re.compile(r'^\d+-\d+-\d+-\d+$')
 SETUP_CODE = """
     <script type='text/javascript'>
@@ -63,6 +63,8 @@ def __init__(self):
             "must be a string looking like 'XXXX-XXX-XX-XXXX'")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         extra_code = []
         try:
             extra_code.append(NICKNAME_CODE % context[NICKNAME_CONTEXT_KEY])
diff --git a/analytical/templatetags/optimizely.py b/analytical/templatetags/optimizely.py
index e5cd185..5fec411 100644
--- a/analytical/templatetags/optimizely.py
+++ b/analytical/templatetags/optimizely.py
@@ -6,11 +6,11 @@
 
 import re
 
+from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 
 from analytical.utils import is_internal_ip, disable_html, get_required_setting
 
-
 ACCOUNT_NUMBER_RE = re.compile(r'^\d+$')
 SETUP_CODE = """<script src="//cdn.optimizely.com/js/%(account_number)s.js"></script>"""
 
@@ -40,6 +40,8 @@ def __init__(self):
                 "must be a string looking like 'XXXXXXX'")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         html = SETUP_CODE % {'account_number': self.account_number}
         if is_internal_ip(context, 'OPTIMIZELY'):
             html = disable_html(html, 'Optimizely')
diff --git a/analytical/templatetags/performable.py b/analytical/templatetags/performable.py
index 3364e18..f8fb8b2 100644
--- a/analytical/templatetags/performable.py
+++ b/analytical/templatetags/performable.py
@@ -6,12 +6,12 @@
 
 import re
 
+from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 from django.utils.safestring import mark_safe
 
 from analytical.utils import is_internal_ip, disable_html, get_identity, \
-        get_required_setting
-
+    get_required_setting
 
 API_KEY_RE = re.compile(r'^\w+$')
 SETUP_CODE = """
@@ -59,6 +59,8 @@ def __init__(self):
             "must be a string looking like 'XXXXX'")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         html = SETUP_CODE % {'api_key': self.api_key}
         identity = get_identity(context, 'performable')
         if identity is not None:
diff --git a/analytical/templatetags/piwik.py b/analytical/templatetags/piwik.py
index 37d9777..6b673f0 100644
--- a/analytical/templatetags/piwik.py
+++ b/analytical/templatetags/piwik.py
@@ -4,9 +4,10 @@
 
 from __future__ import absolute_import
 
+import re
+import warnings
 from collections import namedtuple
 from itertools import chain
-import re
 
 from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
@@ -14,7 +15,6 @@
 from analytical.utils import (is_internal_ip, disable_html,
                               get_required_setting, get_identity)
 
-import warnings
 warnings.warn('The Piwik module is deprecated; use the Matomo module.', DeprecationWarning)
 
 # domain name (characters separated by a dot), optional port, optional URI path, no slash
@@ -33,7 +33,7 @@
   (function() {
     var u="//%(url)s/";
     _paq.push(['setTrackerUrl', u+'piwik.php']);
-    _paq.push(['setSiteId', %(siteid)s]);
+    _paq.push(['setSiteId', '%(siteid)s']);
     var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
     g.type='text/javascript'; g.async=true; g.defer=true; g.src=u+'piwik.js'; s.parentNode.insertBefore(g,s);
   })();
@@ -86,6 +86,8 @@ def __init__(self):
                                  "must be a (string containing a) number")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         custom_variables = context.get('piwik_vars', ())
 
         complete_variables = (var if len(var) >= 4 else var + (DEFAULT_SCOPE,)
diff --git a/analytical/templatetags/rating_mailru.py b/analytical/templatetags/rating_mailru.py
index ba1da7e..6209170 100644
--- a/analytical/templatetags/rating_mailru.py
+++ b/analytical/templatetags/rating_mailru.py
@@ -6,11 +6,11 @@
 
 import re
 
+from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 
 from analytical.utils import is_internal_ip, disable_html, \
-        get_required_setting
-
+    get_required_setting
 
 COUNTER_ID_RE = re.compile(r'^\d{7}$')
 COUNTER_CODE = """
@@ -56,6 +56,8 @@ def __init__(self):
             "must be (a string containing) a number'")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         html = COUNTER_CODE % {
             'counter_id': self.counter_id,
         }
diff --git a/analytical/templatetags/snapengage.py b/analytical/templatetags/snapengage.py
index 5881a50..40d38e0 100644
--- a/analytical/templatetags/snapengage.py
+++ b/analytical/templatetags/snapengage.py
@@ -73,6 +73,8 @@ def __init__(self):
             "must be a string looking like this: 'XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX'")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         settings_code = []
 
         domain = self._get_setting(context, 'snapengage_domain',
diff --git a/analytical/templatetags/spring_metrics.py b/analytical/templatetags/spring_metrics.py
index a3093ea..08d8213 100644
--- a/analytical/templatetags/spring_metrics.py
+++ b/analytical/templatetags/spring_metrics.py
@@ -6,11 +6,11 @@
 
 import re
 
+from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
 
 from analytical.utils import get_identity, is_internal_ip, disable_html, \
-        get_required_setting
-
+    get_required_setting
 
 TRACKING_ID_RE = re.compile(r'^[0-9a-f]+$')
 TRACKING_CODE = """
@@ -56,6 +56,8 @@ def __init__(self):
                 TRACKING_ID_RE, "must be a hexadecimal string")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         custom = {}
         for dict_ in context:
             for var, val in dict_.items():
diff --git a/analytical/templatetags/uservoice.py b/analytical/templatetags/uservoice.py
index 68f59db..b97e7bc 100644
--- a/analytical/templatetags/uservoice.py
+++ b/analytical/templatetags/uservoice.py
@@ -9,8 +9,8 @@
 
 from django.conf import settings
 from django.template import Library, Node, TemplateSyntaxError
-from analytical.utils import get_required_setting, get_identity
 
+from analytical.utils import get_required_setting, get_identity
 
 WIDGET_KEY_RE = re.compile(r'^[a-zA-Z0-9]*$')
 TRACKING_CODE = """
@@ -53,6 +53,8 @@ def __init__(self):
             'USERVOICE_WIDGET_KEY', WIDGET_KEY_RE, "must be an alphanumeric string")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         widget_key = context.get('uservoice_widget_key')
         if not widget_key:
             widget_key = self.default_widget_key
diff --git a/analytical/templatetags/woopra.py b/analytical/templatetags/woopra.py
index e6c02cc..f70d95c 100644
--- a/analytical/templatetags/woopra.py
+++ b/analytical/templatetags/woopra.py
@@ -55,11 +55,13 @@ def __init__(self):
             "must be a domain name")
 
     def render(self, context):
-        settings = self._get_settings(context)
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
+        cfg = self._get_settings(context)
         visitor = self._get_visitor(context)
 
         html = TRACKING_CODE % {
-            'settings': json.dumps(settings, sort_keys=True),
+            'settings': json.dumps(cfg, sort_keys=True),
             'visitor': json.dumps(visitor, sort_keys=True),
         }
         if is_internal_ip(context, 'WOOPRA'):
diff --git a/analytical/templatetags/yandex_metrica.py b/analytical/templatetags/yandex_metrica.py
index 4e3270f..b895c49 100644
--- a/analytical/templatetags/yandex_metrica.py
+++ b/analytical/templatetags/yandex_metrica.py
@@ -11,8 +11,7 @@
 from django.template import Library, Node, TemplateSyntaxError
 
 from analytical.utils import is_internal_ip, disable_html, \
-        get_required_setting
-
+    get_required_setting
 
 COUNTER_ID_RE = re.compile(r'^\d{8}$')
 COUNTER_CODE = """
@@ -65,6 +64,8 @@ def __init__(self):
                 "must be (a string containing) a number'")
 
     def render(self, context):
+        if settings.get("DISABLE_TRACKING_CODE", False):
+            return ""
         options = {
             'id': int(self.counter_id),
             'clickmap': True,
diff --git a/docs/install.rst b/docs/install.rst
index 1f97f07..417b765 100644
--- a/docs/install.rst
+++ b/docs/install.rst
@@ -195,6 +195,8 @@ settings required to enable each service are listed here:
 
 ----
 
+To disable the tracking code set DISABLE_TRACKING_CODE=True in settings (default=False).
+
 The django-analytical application is now set-up to track visitors.  For
 information about identifying users, further configuration and
 customization, see :doc:`features`.
diff --git a/docs/services/matomo.rst b/docs/services/matomo.rst
index d6a5b83..bbca836 100644
--- a/docs/services/matomo.rst
+++ b/docs/services/matomo.rst
@@ -25,12 +25,15 @@ The Matomo tracking code is inserted into templates using a template
 tag.  Load the :mod:`matomo` template tag library and insert the
 :ttag:`matomo` tag.  Because every page that you want to track must
 have the tag, it is useful to add it to your base template.  Insert
-the tag at the bottom of the HTML body as recommended by the
+the tag at the bottom of the HEAD tag as recommended by the
 `Matomo best practice for Integration Plugins`_::
 
     {% load matomo %}
+    <html>
+    <head>
     ...
     {% matomo %}
+    </head>
     </body>
     </html>