diff --git a/bugsink/tests.py b/bugsink/tests.py
index 5f725c0..de21b07 100644
--- a/bugsink/tests.py
+++ b/bugsink/tests.py
@@ -5,6 +5,7 @@ from django.test import TestCase as DjangoTestCase
 
 from projects.models import Project
 from issues.models import Issue
+from issues.factories import denormalized_issue_fields
 from events.models import Event
 from events.factories import create_event
 
@@ -180,6 +181,7 @@ class PCRegistryTestCase(DjangoTestCase):
             project=project,
             is_muted=True,
             unmute_on_volume_based_conditions='[{"period": "day", "nr_of_periods": 1, "volume": 100}]',
+            **denormalized_issue_fields(),
         )
 
         create_event(project, issue)
diff --git a/ingest/views.py b/ingest/views.py
index dd01788..d91675e 100644
--- a/ingest/views.py
+++ b/ingest/views.py
@@ -106,6 +106,11 @@ class BaseIngestAPIView(APIView):
         issue, issue_created = Issue.objects.get_or_create(
             project=ingested_event.project,
             hash=hash_,
+            defaults={
+                "first_seen": ingested_event.timestamp,
+                "last_seen": ingested_event.timestamp,
+                "event_count": 1,
+            },
         )
 
         event, event_created = Event.from_ingested(ingested_event, issue, event_data)
@@ -121,11 +126,17 @@ class BaseIngestAPIView(APIView):
             if ingested_event.project.alert_on_new_issue:
                 send_new_issue_alert.delay(issue.id)
 
-        elif issue_is_regression(issue, event.release):  # new issues cannot be regressions by definition, hence 'else'
-            if ingested_event.project.alert_on_regression:
-                send_regression_alert.delay(issue.id)
+        else:
+            # new issues cannot be regressions by definition, hence this is in the 'else' branch
+            if issue_is_regression(issue, event.release):
+                if ingested_event.project.alert_on_regression:
+                    send_regression_alert.delay(issue.id)
 
-            IssueStateManager.reopen(issue)
+                IssueStateManager.reopen(issue)
+
+            # update the denormalized fields
+            issue.last_seen = ingested_event.timestamp
+            issue.event_count += 1
 
         if issue.id not in get_pc_registry().by_issue:
             pc_registry.by_issue[issue.id] = PeriodCounter()
diff --git a/issues/factories.py b/issues/factories.py
index b6bc014..7fa93a2 100644
--- a/issues/factories.py
+++ b/issues/factories.py
@@ -19,6 +19,7 @@ def get_or_create_issue(project=None, event_data=None):
     issue, issue_created = Issue.objects.get_or_create(
         project=project,
         hash=hash_,
+        defaults=denormalized_issue_fields(),
     )
     return issue, issue_created
 
@@ -31,3 +32,12 @@ def create_event_data():
         "timestamp": timezone.now().isoformat(),
         "platform": "python",
     }
+
+
+def denormalized_issue_fields():
+    """return a dict of fields that are expected to be denormalized on Issue; for testing purposes"""
+    return {
+        "first_seen": timezone.now(),
+        "last_seen": timezone.now(),
+        "event_count": 1,
+    }
diff --git a/issues/migrations/0008_issue_event_count_issue_first_seen_issue_last_seen.py b/issues/migrations/0008_issue_event_count_issue_first_seen_issue_last_seen.py
new file mode 100644
index 0000000..614c26e
--- /dev/null
+++ b/issues/migrations/0008_issue_event_count_issue_first_seen_issue_last_seen.py
@@ -0,0 +1,30 @@
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('issues', '0007_remove_issue_events'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='issue',
+            name='event_count',
+            field=models.IntegerField(default=1),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='issue',
+            name='first_seen',
+            field=models.DateTimeField(default=django.utils.timezone.now),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='issue',
+            name='last_seen',
+            field=models.DateTimeField(default=django.utils.timezone.now),
+            preserve_default=False,
+        ),
+    ]
diff --git a/issues/migrations/0009_issue_issues_issu_first_s_9fb0f9_idx_and_more.py b/issues/migrations/0009_issue_issues_issu_first_s_9fb0f9_idx_and_more.py
new file mode 100644
index 0000000..7456847
--- /dev/null
+++ b/issues/migrations/0009_issue_issues_issu_first_s_9fb0f9_idx_and_more.py
@@ -0,0 +1,19 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('issues', '0008_issue_event_count_issue_first_seen_issue_last_seen'),
+    ]
+
+    operations = [
+        migrations.AddIndex(
+            model_name='issue',
+            index=models.Index(fields=['first_seen'], name='issues_issu_first_s_9fb0f9_idx'),
+        ),
+        migrations.AddIndex(
+            model_name='issue',
+            index=models.Index(fields=['last_seen'], name='issues_issu_last_se_400a05_idx'),
+        ),
+    ]
diff --git a/issues/models.py b/issues/models.py
index 10db238..7b1045b 100644
--- a/issues/models.py
+++ b/issues/models.py
@@ -15,6 +15,11 @@ class Issue(models.Model):
         "projects.Project", blank=False, null=True, on_delete=models.SET_NULL)  # SET_NULL: cleanup 'later'
     hash = models.CharField(max_length=32, blank=False, null=False)
 
+    # denormalized fields:
+    last_seen = models.DateTimeField(blank=False, null=False)
+    first_seen = models.DateTimeField(blank=False, null=False)
+    event_count = models.IntegerField(blank=False, null=False)
+
     # fields related to resolution:
     # what does this mean for the release-based use cases? it means what you filter on.
     # it also simply means: it was "marked as resolved" after the last regression (if any)
@@ -23,6 +28,7 @@ class Issue(models.Model):
     fixed_at = models.TextField(blank=False, null=False, default='[]')
     events_at = models.TextField(blank=False, null=False, default='[]')
 
+    # fields related to muting:
     is_muted = models.BooleanField(default=False)
     unmute_on_volume_based_conditions = models.TextField(blank=False, null=False, default="[]")  # json string
 
@@ -74,6 +80,12 @@ class Issue(models.Model):
     def occurs_in_last_release(self):
         return False  # TODO actually implement (and then: implement in a performant manner)
 
+    class Meta:
+        indexes = [
+            models.Index(fields=["first_seen"]),
+            models.Index(fields=["last_seen"]),
+        ]
+
 
 class IssueStateManager(object):
     """basically: a namespace; with static methods that combine field-setting in a single place"""
diff --git a/issues/templates/issues/issue_list.html b/issues/templates/issues/issue_list.html
index fea13c5..7616431 100644
--- a/issues/templates/issues/issue_list.html
+++ b/issues/templates/issues/issue_list.html
@@ -50,11 +50,11 @@ https://flowbite.com/docs/forms/floating-label/
             </td>
 
             <td class="text-right font-bold p-4">
-                FOO
+                {# FOO #}
             </td>
 
             <td class="text-right font-bold p-4">
-                BAR
+                {# BAR #}
             </td>
 
             </tr>
@@ -69,24 +69,22 @@ https://flowbite.com/docs/forms/floating-label/
                 <div>
                     <a href="/issues/issue/{{ issue.id }}/event/last/" class="text-cyan-500 font-bold">{{ issue.title|truncatechars:100 }}</a>
                 </div>
-                <div class="text-sm">from <b>8 Nov 12:33</b> | last <b>8 Nov 12:39</b> | with <b>3</b> events
+                <div class="text-sm">from <b>{{ issue.first_seen|date:"d M G:i" }}</b> | last <b>{{ issue.last_seen|date:"d M G:i" }}</b> | with <b>{{ issue.event_count }}</b> events
                     {% if issue.parsed_data.transaction %}| <span class="font-bold">{{ issue.parsed_data.transaction }} </span>{% endif %}
                 </div>
             </td>
 
             {% comment %}
             [ ] first release (or commit), last release (or commit)
-            [ ] first seen
-            [ ] last seen.
             [ ] assigned to
             [ ] n.r. of events?
             {% endcomment %}
             <td class="text-right p-4">
-                ABC
+                {# ABC #} 
             </td>
 
             <td class="text-right p-4">
-                123
+                {# 123 #}
             </td>
 
             </tr>
diff --git a/issues/tests.py b/issues/tests.py
index beea408..f878654 100644
--- a/issues/tests.py
+++ b/issues/tests.py
@@ -10,6 +10,7 @@ from bugsink.period_counter import PeriodCounter, TL_DAY
 
 from .models import Issue, IssueStateManager
 from .regressions import is_regression, is_regression_2, issue_is_regression
+from .factories import denormalized_issue_fields
 
 
 def fresh(obj):
@@ -164,7 +165,7 @@ class RegressionIssueTestCase(DjangoTestCase):
         project = Project.objects.create()
 
         # new issue is not a regression
-        issue = Issue.objects.create(project=project)
+        issue = Issue.objects.create(project=project, **denormalized_issue_fields())
         self.assertFalse(issue_is_regression(fresh(issue), "anything"))
 
         # resolve the issue, a reoccurrence is a regression
@@ -185,7 +186,7 @@ class RegressionIssueTestCase(DjangoTestCase):
         create_release_if_needed(project, "2.0.0")
 
         # new issue is not a regression
-        issue = Issue.objects.create(project=project)
+        issue = Issue.objects.create(project=project, **denormalized_issue_fields())
         self.assertFalse(issue_is_regression(fresh(issue), "anything"))
 
         # resolve the by latest, reoccurrences of older releases are not regressions but occurrences by latest are
@@ -212,7 +213,7 @@ class RegressionIssueTestCase(DjangoTestCase):
         create_release_if_needed(project, "2.0.0")
 
         # new issue is not a regression
-        issue = Issue.objects.create(project=project)
+        issue = Issue.objects.create(project=project, **denormalized_issue_fields())
         self.assertFalse(issue_is_regression(fresh(issue), "anything"))
 
         # resolve the by next, reoccurrences of any existing releases are not regressions
@@ -296,7 +297,7 @@ class MuteUnmuteTestCase(TestCase):
     def test_mute_no_vbc_for_unmute(self):
         project = Project.objects.create()
 
-        issue = Issue.objects.create(project=project)
+        issue = Issue.objects.create(project=project, **denormalized_issue_fields())
         IssueStateManager.mute(issue, "[]")
         issue.save()
 
@@ -306,7 +307,7 @@ class MuteUnmuteTestCase(TestCase):
     def test_mute_simple_case(self):
         project = Project.objects.create()
 
-        issue = Issue.objects.create(project=project)
+        issue = Issue.objects.create(project=project, **denormalized_issue_fields())
         IssueStateManager.mute(issue, "[{\"period\": \"day\", \"nr_of_periods\": 1, \"volume\": 1}]")
         issue.save()
 
@@ -321,6 +322,7 @@ class MuteUnmuteTestCase(TestCase):
             project=project,
             unmute_on_volume_based_conditions='[{"period": "day", "nr_of_periods": 1, "volume": 1}]',
             is_muted=True,
+            **denormalized_issue_fields(),
         )
 
         pc = registry.by_issue[issue.id] = PeriodCounter()
@@ -337,6 +339,7 @@ class MuteUnmuteTestCase(TestCase):
             project=project,
             unmute_on_volume_based_conditions='[{"period": "day", "nr_of_periods": 1, "volume": 1}]',
             is_muted=True,
+            **denormalized_issue_fields(),
         )
 
         # because we create our objects before getting the lazy registry, event-listeners will be correctly set by
@@ -362,6 +365,7 @@ class MuteUnmuteTestCase(TestCase):
     {"period": "month", "nr_of_periods": 1, "volume": 1}
 ]''',
             is_muted=True,
+            **denormalized_issue_fields(),
         )
 
         # because we create our objects before getting the lazy registry, event-listeners will be correctly set by
diff --git a/issues/views.py b/issues/views.py
index 435792a..788b527 100644
--- a/issues/views.py
+++ b/issues/views.py
@@ -10,7 +10,7 @@ from .models import Issue, IssueStateManager
 
 
 def issue_list(request, project_id):
-    issue_list = Issue.objects.filter(project_id=project_id)
+    issue_list = Issue.objects.filter(project_id=project_id).order_by("-last_seen")
     project = get_object_or_404(Project, pk=project_id)
 
     return render(request, "issues/issue_list.html", {