diff --git a/pythoncz/models/github.py b/pythoncz/models/github.py
index 3abdeb1d..8df07a5c 100644
--- a/pythoncz/models/github.py
+++ b/pythoncz/models/github.py
@@ -42,9 +42,12 @@ def _create_api_session():
                   '(+https://python.cz)').format(now=datetime.now())
 
     session = requests.Session()
+    token = app.config['GITHUB_TOKEN']
+    if not token:
+        raise Exception('GITHUB_TOKEN not configured')
     session.headers.update({
         'User-Agent': user_agent,
-        'Authorization': 'token {}'.format(app.config['GITHUB_TOKEN']),
+        'Authorization': 'token {}'.format(token),
     })
     return session
 
diff --git a/pythoncz/models/meetups.py b/pythoncz/models/meetups.py
index c2f17ee8..5ece5cc3 100644
--- a/pythoncz/models/meetups.py
+++ b/pythoncz/models/meetups.py
@@ -1,5 +1,6 @@
-import requests
+from functools import lru_cache
 from lxml import html
+import requests
 from slugify import slugify
 
 
@@ -10,6 +11,7 @@
             'Seznam_m%C4%9Bst_v_%C4%8Cesku_podle_po%C4%8Dtu_obyvatel')
 
 
+@lru_cache()
 def get_meetups(lang='cs'):
     return sort_by_city_size(scrape_meetups(lang))
 
@@ -36,6 +38,15 @@ def scrape_meetups(lang='cs'):
             continue
 
 
+@lru_cache()
+def scrape_cities():
+    res = requests.get(WIKI_URL)
+    res.raise_for_status()
+    root = html.fromstring(res.text)
+    rows = root.cssselect('.wikitable tbody tr')
+    return [row.cssselect('td')[1].text_content().strip() for row in rows[1:]]
+
+
 def sort_by_city_size(meetups):
     """
     Sorts given iterable of meetups by the size of the city. While pyvo.cz
@@ -47,23 +58,13 @@ def sort_by_city_size(meetups):
     that the visitor of the page is close to them, thus they deserve to be
     higher in the list.
     """
-    res = requests.get(WIKI_URL)
-    res.raise_for_status()
-
-    root = html.fromstring(res.content.decode('utf-8'))
-    rows = root.cssselect('.wikitable tbody tr')
-    rows.pop(0)
-
-    city_slugs = [
-        slugify(row.cssselect('td')[0].text_content().strip()) + '-pyvo'
-        for row in rows
-    ]
-
-    # fix discrepancies
-    city_slugs[city_slugs.index('hradec-kralove-pyvo')] = 'hradec-pyvo'
+    city_slugs = [slugify(city) + '-pyvo' for city in scrape_cities()]
+    # convert list [city1, city2, ...] into dict {city1: 0, city2: 1, ...}
+    city_slugs = {city: n for n, city in enumerate(city_slugs)}
+    city_slugs['hradec-pyvo'] = city_slugs['hradec-kralove-pyvo']
 
     def key_func(meetup):
         slug = meetup['url'].rstrip('/').split('/')[-1]
-        return city_slugs.index(slug)
+        return city_slugs[slug]
 
     return sorted(meetups, key=key_func)
diff --git a/pythoncz/static/main.css b/pythoncz/static/main.css
index bbbd6579..995e0ea0 100644
--- a/pythoncz/static/main.css
+++ b/pythoncz/static/main.css
@@ -647,7 +647,7 @@ i.icon-english::before {
     padding-left: 3em;
     margin: 0.5em 0;
     background: url("./images/pyvo.png");
-    background-size: contain;
+    background-size: 2em;
     background-repeat: no-repeat;
 }
 
diff --git a/pythoncz/views.py b/pythoncz/views.py
index 9890328b..7db94c7d 100644
--- a/pythoncz/views.py
+++ b/pythoncz/views.py
@@ -1,3 +1,4 @@
+import logging
 import os
 import subprocess
 import itertools
@@ -14,6 +15,8 @@
 
 INDEX_EVENTS_LIMIT = 3
 
+logger = logging.getLogger(__name__)
+
 
 # Templating
 
@@ -118,15 +121,17 @@ def events_ical():
 @app.route('/zapojse/')
 def get_involved_cs():
     disabled = os.getenv('DISABLE_GITHUB_ISSUES_FETCH', False)
-    try:
-        if disabled:
-            raise Exception('DISABLE_GITHUB_ISSUES_FETCH is set')
-        issues = github.get_issues(app.config['GITHUB_ORGANIZATIONS'])
-        return render_template('get_involved_cs.html', issues=issues)
-    except Exception as e:
-        template = render_template('get_involved_cs.html', issues=[], error=e)
-        code = 200 if disabled else 500
-        return make_response(template, code)
+    issues = []
+    error = None
+    if not disabled:
+        try:
+            issues = github.get_issues(app.config['GITHUB_ORGANIZATIONS'])
+        except Exception as e:
+            logger.exception('Failed to fetch GitHub issues')
+            error = e
+    template = render_template('get_involved_cs.html', issues=issues, error=error)
+    code = 200 if not error else 500
+    return make_response(template, code)
 
 
 # Redirects of legacy stuff
diff --git a/pythoncz_tests/models/github_test.py b/pythoncz_tests/models/github_test.py
index bc8796e4..9d39f761 100644
--- a/pythoncz_tests/models/github_test.py
+++ b/pythoncz_tests/models/github_test.py
@@ -6,6 +6,7 @@
 import responses
 from werkzeug.contrib.cache import NullCache
 
+from pythoncz import app
 from pythoncz.models import github as github_module
 from pythoncz_tests.models import github_test_fixtures as fixtures
 
@@ -21,7 +22,19 @@ def add_github_graphql(self, *args, **kwargs):
 
 
 @pytest.fixture()
-def requests_mock():
+def patched_token():
+    """
+    Code expects the token to be configured.
+    Also this makes sure that we do not accidentally access the non-mock API.
+    """
+    orig_value = app.config['GITHUB_TOKEN']
+    app.config['GITHUB_TOKEN'] = 'test'
+    yield
+    app.config['GITHUB_TOKEN'] = orig_value
+
+
+@pytest.fixture()
+def requests_mock(patched_token):
     """Provides mechanism for faking HTTP responses"""
     with RequestsMock() as mock:
         yield mock
@@ -78,7 +91,7 @@ def test_get_issues_api_error(github, requests_mock):
     assert excinfo.value.response.status_code == 500
 
 
-def test_create_api_session(github):
+def test_create_api_session(patched_token, github):
     """
     The '_create_api_session' helper should add User-Agent and Authorization
     HTTP headers to the HTTP session