diff --git a/.gitignore b/.gitignore
index a167afb..f3546f5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+.*.sw?
 /*.geany
 /.idea
 /.tox
diff --git a/.travis.yml b/.travis.yml
index a6ad99c..ad171a3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,24 +1,19 @@
 language: python
+python:
+  - "3.5"
 install:
   - pip install coveralls tox
 script:
   - tox
-env:  # generate list with: $ tox -l | xargs -I ITEM echo "  - TOXENV="ITEM
-  - TOXENV=py26-django14
-  - TOXENV=py26-django15
-  - TOXENV=py26-django16
-  - TOXENV=py27-django14
-  - TOXENV=py27-django15
-  - TOXENV=py27-django16
-  - TOXENV=py27-django17
-  - TOXENV=py27-django18
-  - TOXENV=py32-django15
-  - TOXENV=py32-django16
-  - TOXENV=py32-django17
-  - TOXENV=py32-django18
-  - TOXENV=py33-django15
-  - TOXENV=py33-django16
-  - TOXENV=py33-django17
-  - TOXENV=py33-django18
-  - TOXENV=py34-django17
-  - TOXENV=py34-django18
+env:  # generate list with: $ tox -l | sort | xargs -I ITEM echo "  - TOXENV="ITEM
+    - TOXENV=py27-django17
+    - TOXENV=py27-django18
+    - TOXENV=py27-django19
+    - TOXENV=py32-django17
+    - TOXENV=py33-django17
+    - TOXENV=py33-django18
+    - TOXENV=py34-django17
+    - TOXENV=py34-django18
+    - TOXENV=py34-django19
+    - TOXENV=py35-django18
+    - TOXENV=py35-django19
diff --git a/README.rst b/README.rst
index fa9baa2..705c42e 100644
--- a/README.rst
+++ b/README.rst
@@ -21,6 +21,9 @@ set-up very simple, while allowing advanced users to customize tracking.
 Each service is set up as recommended by the services themselves, using
 an asynchronous version of the Javascript code if possible.
 
+Version 1.0.0 is the last to support Django < 1.7. Users of older django
+versions should stick to 1.0.0, and are encouraged to upgrade their setups.
+
 .. end docs include
 
 .. |latest-version| image:: https://img.shields.io/pypi/v/django-analytical.svg
diff --git a/analytical/templatetags/chartbeat.py b/analytical/templatetags/chartbeat.py
index e47f104..3b0e7d8 100644
--- a/analytical/templatetags/chartbeat.py
+++ b/analytical/templatetags/chartbeat.py
@@ -8,7 +8,6 @@ import json
 import re
 
 from django.conf import settings
-from django.contrib.sites.models import Site
 from django.core.exceptions import ImproperlyConfigured
 from django.template import Library, Node, TemplateSyntaxError
 
@@ -109,6 +108,7 @@ def _get_domain(context):
         if 'django.contrib.sites' not in settings.INSTALLED_APPS:
             return
         elif getattr(settings, 'CHARTBEAT_AUTO_DOMAIN', True):
+            from django.contrib.sites.models import Site
             try:
                 return Site.objects.get_current().domain
             except (ImproperlyConfigured, Site.DoesNotExist):  # pylint: disable=E1101
diff --git a/analytical/templatetags/mixpanel.py b/analytical/templatetags/mixpanel.py
index 34f8efd..0490f76 100644
--- a/analytical/templatetags/mixpanel.py
+++ b/analytical/templatetags/mixpanel.py
@@ -8,6 +8,7 @@ import json
 import re
 
 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
@@ -46,7 +47,7 @@ def mixpanel(parser, token):
 
 class MixpanelNode(Node):
     def __init__(self):
-        self.token = get_required_setting(
+        self._token = get_required_setting(
                 'MIXPANEL_API_TOKEN', MIXPANEL_API_TOKEN_RE,
                 "must be a string containing a 32-digit hexadecimal number")
 
@@ -65,11 +66,11 @@ class MixpanelNode(Node):
                     'properties': json.dumps(properties, sort_keys=True)})
         except KeyError:
             pass
-        html = TRACKING_CODE % {'token': self.token,
+        html = TRACKING_CODE % {'token': self._token,
                 'commands': " ".join(commands)}
         if is_internal_ip(context, 'MIXPANEL'):
             html = disable_html(html, 'Mixpanel')
-        return html
+        return mark_safe(html)
 
 
 def contribute_to_analytical(add_node):
diff --git a/analytical/templatetags/performable.py b/analytical/templatetags/performable.py
index e357783..847f9c9 100644
--- a/analytical/templatetags/performable.py
+++ b/analytical/templatetags/performable.py
@@ -7,6 +7,7 @@ from __future__ import absolute_import
 import re
 
 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
@@ -71,7 +72,7 @@ def performable_embed(hostname, page_id):
     """
     Include a Performable landing page.
     """
-    return EMBED_CODE % {'hostname': hostname, 'page_id': page_id}
+    return mark_safe(EMBED_CODE % {'hostname': hostname, 'page_id': page_id})
 
 
 def contribute_to_analytical(add_node):
diff --git a/analytical/tests/__init__.py b/analytical/tests/__init__.py
index cf955c0..e69de29 100644
--- a/analytical/tests/__init__.py
+++ b/analytical/tests/__init__.py
@@ -1,28 +0,0 @@
-"""
-Tests for django-analytical.
-"""
-# flake8: noqa
-
-from analytical.tests.test_tag_analytical import *
-from analytical.tests.test_tag_chartbeat import *
-from analytical.tests.test_tag_clickmap import *
-from analytical.tests.test_tag_clicky import *
-from analytical.tests.test_tag_crazy_egg import *
-from analytical.tests.test_tag_gauges import *
-from analytical.tests.test_tag_google_analytics import *
-from analytical.tests.test_tag_gosquared import *
-from analytical.tests.test_tag_hubspot import *
-from analytical.tests.test_tag_intercom import *
-from analytical.tests.test_tag_kiss_insights import *
-from analytical.tests.test_tag_kiss_metrics import *
-from analytical.tests.test_tag_mixpanel import *
-from analytical.tests.test_tag_olark import *
-from analytical.tests.test_tag_optimizely import *
-from analytical.tests.test_tag_performable import *
-from analytical.tests.test_tag_piwik import *
-from analytical.tests.test_tag_reinvigorate import *
-from analytical.tests.test_tag_snapengage import *
-from analytical.tests.test_tag_spring_metrics import *
-from analytical.tests.test_tag_uservoice import *
-from analytical.tests.test_tag_woopra import *
-from analytical.tests.test_utils import *
diff --git a/analytical/tests/settings.py b/analytical/tests/settings.py
index 374530c..ecb42e4 100644
--- a/analytical/tests/settings.py
+++ b/analytical/tests/settings.py
@@ -10,6 +10,9 @@ DATABASES = {
 }
 
 INSTALLED_APPS = [
+    'django.contrib.sites',
+    'django.contrib.contenttypes',
+    'django.contrib.auth',
     'analytical',
 ]
 
diff --git a/analytical/tests/test_tag_chartbeat.py b/analytical/tests/test_tag_chartbeat.py
index 8444ff7..322fbd6 100644
--- a/analytical/tests/test_tag_chartbeat.py
+++ b/analytical/tests/test_tag_chartbeat.py
@@ -4,7 +4,6 @@ Tests for the Chartbeat template tags and filters.
 
 import re
 
-from django.contrib.sites.models import Site
 from django.http import HttpRequest
 from django.template import Context
 from django.test import TestCase
@@ -23,16 +22,20 @@ class ChartbeatTagTestCaseNoSites(TestCase):
         self.assertTrue('var _sf_async_config={"uid": "12345"};' in r, r)
 
 
-@override_settings(INSTALLED_APPS=('analytical', 'django.contrib.sites'))
+@override_settings(INSTALLED_APPS=(
+    'analytical',
+    'django.contrib.sites',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+))
 @override_settings(CHARTBEAT_USER_ID='12345')
 class ChartbeatTagTestCaseWithSites(TestCase):
     def setUp(self):
         from django.core.management import call_command
-        from django.db.models import loading
-        loading.cache.loaded = False
-        call_command("syncdb", verbosity=0)
+        call_command("migrate", verbosity=0)
 
     def test_rendering_setup_site(self):
+        from django.contrib.sites.models import Site
         site = Site.objects.create(domain="test.com", name="test")
         with override_settings(SITE_ID=site.id):
             r = ChartbeatBottomNode().render(Context())
diff --git a/analytical/tests/test_tag_gosquared.py b/analytical/tests/test_tag_gosquared.py
index 3fb05ad..9b946c0 100644
--- a/analytical/tests/test_tag_gosquared.py
+++ b/analytical/tests/test_tag_gosquared.py
@@ -8,7 +8,6 @@ from django.template import Context
 from django.test.utils import override_settings
 
 from analytical.templatetags.gosquared import GoSquaredNode
-from analytical.tests import override_settings
 from analytical.tests.utils import TagTestCase
 from analytical.utils import AnalyticalException
 
diff --git a/analytical/tests/test_tag_mixpanel.py b/analytical/tests/test_tag_mixpanel.py
index eceae8d..b43a8d2 100644
--- a/analytical/tests/test_tag_mixpanel.py
+++ b/analytical/tests/test_tag_mixpanel.py
@@ -20,15 +20,15 @@ class MixpanelTagTestCase(TagTestCase):
 
     def test_tag(self):
         r = self.render_tag('mixpanel', 'mixpanel')
-        self.assertTrue(
-                "mixpanel.init('0123456789abcdef0123456789abcdef');" in r,
-                r)
+        self.assertIn(
+            "mixpanel.init('0123456789abcdef0123456789abcdef');", r,
+        )
 
     def test_node(self):
         r = MixpanelNode().render(Context())
-        self.assertTrue(
-                "mixpanel.init('0123456789abcdef0123456789abcdef');" in r,
-                r)
+        self.assertIn(
+            "mixpanel.init('0123456789abcdef0123456789abcdef');", r,
+        )
 
     @override_settings(MIXPANEL_API_TOKEN=None)
     def test_no_token(self):
diff --git a/analytical/tests/test_tag_performable.py b/analytical/tests/test_tag_performable.py
index befee4b..2b1e16d 100644
--- a/analytical/tests/test_tag_performable.py
+++ b/analytical/tests/test_tag_performable.py
@@ -63,8 +63,9 @@ class PerformableEmbedTagTestCase(TagTestCase):
     def test_tag(self):
         domain = 'example.com'
         page = 'test'
-        r = self.render_tag('performable', 'performable_embed "%s" "%s"'
-                % (domain, page))
-        self.assertTrue(
-                "$f.initialize({'host': 'example.com', 'page': 'test'});" in r,
-                r)
+        tag = self.render_tag(
+            'performable', 'performable_embed "%s" "%s"' % (domain, page)
+        )
+        self.assertIn(
+            "$f.initialize({'host': 'example.com', 'page': 'test'});", tag
+        )
diff --git a/analytical/utils.py b/analytical/utils.py
index 2c52478..da9413a 100644
--- a/analytical/utils.py
+++ b/analytical/utils.py
@@ -3,7 +3,6 @@ Utility function for django-analytical.
 """
 
 from django.conf import settings
-from django.contrib.sites.models import Site
 from django.core.exceptions import ImproperlyConfigured
 
 
@@ -103,6 +102,7 @@ def get_domain(context, prefix):
         domain = getattr(settings, 'ANALYTICAL_DOMAIN', None)
     if domain is None:
         if 'django.contrib.sites' in settings.INSTALLED_APPS:
+            from django.contrib.sites.models import Site
             try:
                 domain = Site.objects.get_current().domain
             except (ImproperlyConfigured, Site.DoesNotExist):
diff --git a/requirements.txt b/requirements.txt
index 94a0e83..fa56c66 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1 @@
-Django
+Django>=1.7.0
diff --git a/setup.py b/setup.py
index 5488406..5e988c2 100644
--- a/setup.py
+++ b/setup.py
@@ -47,6 +47,19 @@ def read(fname):
     return open(os.path.join(os.path.dirname(__file__), fname)).read()
 
 
+try:
+    import django
+    os.environ.setdefault(
+        "DJANGO_SETTINGS_MODULE",
+        "analytical.tests.settings"
+    )
+    django.setup()
+except ImportError:
+    print(
+        "Could not import django. "
+        "This is fine, unless you intend to run unit tests."
+    )
+
 import analytical
 
 setup(
@@ -85,6 +98,6 @@ setup(
     download_url='https://github.com/jcassee/django-analytical/archive/master.zip',
     cmdclass=cmdclass,
     install_requires=[
-        'Django>=1.4',
+        'Django>=1.7.0',
     ],
 )
diff --git a/tox.ini b/tox.ini
index 713551a..affba1d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,27 +1,18 @@
 [tox]
 envlist =
-    py{26,27}-django{14,15,16},
-    py{32,33}-django{15,16},
-    py{27}-django{17,18},
-    py{32,33,34}-django{17,18},
+    py{27,32,33,34}-django17
+    py33-django18
+    py{27,34,35}-django{18,19}
 
 [testenv]
 commands =
     coverage run setup.py test
-    coveralls
-basepython =
-    py26: python2.6
-    py27: python2.7
-    py32: python3.2
-    py33: python3.3
-    py34: python3.4
+    sh -c 'coveralls | true'
 deps =
     coverage==3.7.1
     coveralls
-    py26: unittest2
-    django14: Django>=1.4,<1.5
-    django15: Django>=1.5,<1.6
-    django16: Django>=1.6,<1.7
     django17: Django>=1.7,<1.8
     django18: Django>=1.8,<1.9
+    django19: Django>=1.9,<1.10
 passenv = TRAVIS TRAVIS_JOB_ID TRAVIS_BRANCH
+whitelist_externals = sh