diff --git a/composeApp/src/commonMain/kotlin/org/ooni/probe/data/models/Descriptor.kt b/composeApp/src/commonMain/kotlin/org/ooni/probe/data/models/Descriptor.kt
index 442cbdd1..fd8bdc63 100644
--- a/composeApp/src/commonMain/kotlin/org/ooni/probe/data/models/Descriptor.kt
+++ b/composeApp/src/commonMain/kotlin/org/ooni/probe/data/models/Descriptor.kt
@@ -22,6 +22,7 @@ data class Descriptor(
     val longRunningTests: List<NetTest> = emptyList(),
     val source: Source,
     val updateStatus: UpdateStatus,
+    val enabled: Boolean = true,
 ) {
     sealed interface Source {
         data class Default(val value: DefaultTestDescriptor) : Source
diff --git a/composeApp/src/commonMain/kotlin/org/ooni/probe/di/Dependencies.kt b/composeApp/src/commonMain/kotlin/org/ooni/probe/di/Dependencies.kt
index 660b3541..38c4cb54 100644
--- a/composeApp/src/commonMain/kotlin/org/ooni/probe/di/Dependencies.kt
+++ b/composeApp/src/commonMain/kotlin/org/ooni/probe/di/Dependencies.kt
@@ -292,6 +292,7 @@ class Dependencies(
             getDefaultTestDescriptors = getDefaultTestDescriptors::invoke,
             listInstalledTestDescriptors = testDescriptorRepository::list,
             descriptorUpdates = getDescriptorUpdate::observeAvailableUpdatesState,
+            getPreferenceValues = preferenceRepository::allSettings,
         )
     }
     private val getTestDescriptorsBySpec by lazy {
diff --git a/composeApp/src/commonMain/kotlin/org/ooni/probe/domain/GetAutoRunSpecification.kt b/composeApp/src/commonMain/kotlin/org/ooni/probe/domain/GetAutoRunSpecification.kt
index 47455162..bea85b27 100644
--- a/composeApp/src/commonMain/kotlin/org/ooni/probe/domain/GetAutoRunSpecification.kt
+++ b/composeApp/src/commonMain/kotlin/org/ooni/probe/domain/GetAutoRunSpecification.kt
@@ -27,7 +27,7 @@ class GetAutoRunSpecification(
     }
 
     private suspend fun List<Descriptor>.filterForAutoRun() =
-        filter { it.isEnabledForAutoRun() }
+        filter { it.enabled && it.isEnabledForAutoRun() }
             .map { descriptor ->
                 descriptor.copy(
                     netTests = descriptor.netTests
diff --git a/composeApp/src/commonMain/kotlin/org/ooni/probe/domain/GetTestDescriptors.kt b/composeApp/src/commonMain/kotlin/org/ooni/probe/domain/GetTestDescriptors.kt
index b98616c5..cff89106 100644
--- a/composeApp/src/commonMain/kotlin/org/ooni/probe/domain/GetTestDescriptors.kt
+++ b/composeApp/src/commonMain/kotlin/org/ooni/probe/domain/GetTestDescriptors.kt
@@ -8,10 +8,12 @@ import kotlinx.coroutines.flow.map
 import ooniprobe.composeapp.generated.resources.Res
 import ooniprobe.composeapp.generated.resources.Settings_TestOptions_LongRunningTest
 import org.jetbrains.compose.resources.stringResource
+import org.ooni.engine.models.WebConnectivityCategory
 import org.ooni.probe.data.models.DefaultTestDescriptor
 import org.ooni.probe.data.models.Descriptor
 import org.ooni.probe.data.models.DescriptorUpdatesStatus
 import org.ooni.probe.data.models.InstalledTestDescriptorModel
+import org.ooni.probe.data.models.SettingsKey
 import org.ooni.probe.data.models.UpdateStatus
 import org.ooni.probe.data.models.toDescriptor
 
@@ -19,21 +21,29 @@ class GetTestDescriptors(
     private val getDefaultTestDescriptors: () -> List<DefaultTestDescriptor>,
     private val listInstalledTestDescriptors: () -> Flow<List<InstalledTestDescriptorModel>>,
     private val descriptorUpdates: () -> Flow<DescriptorUpdatesStatus>,
+    private val getPreferenceValues: (List<SettingsKey>) -> Flow<Map<SettingsKey, Any?>>,
 ) {
     operator fun invoke(): Flow<List<Descriptor>> {
         return combine(
             listInstalledTestDescriptors(),
             descriptorUpdates(),
             flowOf(getDefaultTestDescriptors()),
-        ) { installedDescriptors, descriptorUpdates, defaultDescriptors ->
+            isWebsitesDescriptorEnabled(),
+        ) { installedDescriptors, descriptorUpdates, defaultDescriptors, isWebsitesEnabled ->
             val updatedDescriptors = installedDescriptors.map { item ->
                 item.toDescriptor(updateStatus = descriptorUpdates.getStatusOf(item.id))
             }
-            return@combine defaultDescriptors
-                .map { it.toDescriptor() } + updatedDescriptors
+            val allDescriptors = defaultDescriptors.map { it.toDescriptor() } + updatedDescriptors
+            return@combine allDescriptors.map {
+                it.copy(enabled = it.name != "websites" || isWebsitesEnabled)
+            }
         }
     }
 
+    private fun isWebsitesDescriptorEnabled() =
+        getPreferenceValues(WebConnectivityCategory.entries.mapNotNull { it.settingsKey })
+            .map { preferences -> preferences.any { it.value == true } }
+
     private fun DefaultTestDescriptor.toDescriptor() =
         Descriptor(
             name = label,
diff --git a/composeApp/src/commonMain/kotlin/org/ooni/probe/ui/run/RunScreen.kt b/composeApp/src/commonMain/kotlin/org/ooni/probe/ui/run/RunScreen.kt
index 054ba640..c6714f48 100644
--- a/composeApp/src/commonMain/kotlin/org/ooni/probe/ui/run/RunScreen.kt
+++ b/composeApp/src/commonMain/kotlin/org/ooni/probe/ui/run/RunScreen.kt
@@ -244,6 +244,7 @@ private fun LazyListScope.regularTestItems(
     items(testItems, key = { "${descriptor.key}_${it.item.test.name}" }) { testItem ->
         TestItem(
             testItem = testItem,
+            enabled = descriptor.enabled,
             onChecked = {
                 onEvent(
                     RunViewModel.Event.NetTestChecked(
@@ -271,11 +272,13 @@ private fun DescriptorItem(
                 state = descriptorItem.state,
                 onClick = { onChecked(descriptorItem.state != ToggleableState.On) },
                 role = Role.Checkbox,
+                enabled = descriptor.enabled,
             )
             .padding(horizontal = 16.dp),
     ) {
         TriStateCheckbox(
             state = descriptorItem.state,
+            enabled = descriptor.enabled,
             onClick = null,
             modifier = Modifier.padding(end = 24.dp),
         )
@@ -304,6 +307,7 @@ private fun DescriptorItem(
 @Composable
 fun TestItem(
     testItem: SelectableItem<NetTest>,
+    enabled: Boolean = true,
     onChecked: (Boolean) -> Unit,
 ) {
     val test = testItem.item
@@ -315,11 +319,13 @@ fun TestItem(
                 value = testItem.isSelected,
                 onValueChange = { onChecked(it) },
                 role = Role.Checkbox,
+                enabled = enabled,
             )
             .padding(horizontal = 16.dp, vertical = 10.dp),
     ) {
         Checkbox(
             checked = testItem.isSelected,
+            enabled = enabled,
             onCheckedChange = null,
             modifier = Modifier.padding(end = 24.dp),
         )
diff --git a/composeApp/src/commonMain/kotlin/org/ooni/probe/ui/run/RunViewModel.kt b/composeApp/src/commonMain/kotlin/org/ooni/probe/ui/run/RunViewModel.kt
index d37e8c4d..5e8818cd 100644
--- a/composeApp/src/commonMain/kotlin/org/ooni/probe/ui/run/RunViewModel.kt
+++ b/composeApp/src/commonMain/kotlin/org/ooni/probe/ui/run/RunViewModel.kt
@@ -20,8 +20,8 @@ import org.ooni.probe.config.OrganizationConfig
 import org.ooni.probe.config.TestDisplayMode
 import org.ooni.probe.data.models.Descriptor
 import org.ooni.probe.data.models.DescriptorType
-import org.ooni.probe.data.models.PlatformAction
 import org.ooni.probe.data.models.NetTest
+import org.ooni.probe.data.models.PlatformAction
 import org.ooni.probe.data.models.RunSpecification
 import org.ooni.probe.data.models.SettingsKey
 import org.ooni.probe.data.repositories.PreferenceRepository
@@ -62,9 +62,9 @@ class RunViewModel(
 
                                 ParentSelectableItem(
                                     item = descriptor,
-                                    state = when (selectedTestsCount) {
-                                        0 -> ToggleableState.Off
-                                        tests.size -> ToggleableState.On
+                                    state = when {
+                                        !descriptor.enabled || selectedTestsCount == 0 -> ToggleableState.Off
+                                        selectedTestsCount == tests.size -> ToggleableState.On
                                         else -> ToggleableState.Indeterminate
                                     },
                                     isExpanded = when (OrganizationConfig.testDisplayMode) {
@@ -75,7 +75,7 @@ class RunViewModel(
                                 ) to tests.map { test ->
                                     SelectableItem(
                                         item = test,
-                                        isSelected = preferences[descriptor to test] == true,
+                                        isSelected = descriptor.enabled && preferences[descriptor to test] == true,
                                     )
                                 }
                             }