diff --git a/ci/check_examples.sh b/ci/check_examples.sh
index 686788cdc3f..ece4bfef172 100755
--- a/ci/check_examples.sh
+++ b/ci/check_examples.sh
@@ -3,19 +3,36 @@ echo "$(rustup default)" | grep -q "1.39.0"
 emscripten_supported=$?
 set -euxo pipefail # https://vaneyckt.io/posts/safer_bash_scripts_with_set_euxo_pipefail/
 
-# Showcase includes all other examples
-cd examples/showcase
+# Some examples are known not to work with some builds, i.e. futures with the
+# std_web feature.  Other items in the examples/ directory are helpers, i.e.
+# pub_sub and server.  These block lists allow us to exempt some examples but
+# default opt-in any new examples to CI testing.
+COMMON_SKIP_EXAMPLES="examples/static examples/pub_sub examples/server \
+  examples/target examples/web_sys examples/std_web"
+STD_WEB_SKIP_EXAMPLES="${COMMON_SKIP_EXAMPLES:?} examples/futures"
+WEB_SYS_SKIP_EXAMPLES="${COMMON_SKIP_EXAMPLES:?}"
 
-# TODO Can't build some demos with release, need fix
+# Make sure all examples are buildable with stdweb and web-sys.
+for ex in $(find examples -maxdepth 1 -mindepth 1 -type d); do
+  pushd $ex
 
-if [ "$emscripten_supported" == "0" ]; then
-  # TODO - Emscripten builds are broken on rustc > 1.39.0
-  cargo web build --target asmjs-unknown-emscripten --features std_web
-  cargo web build --target wasm32-unknown-emscripten --features std_web
-fi
+  # TODO Can't build some demos with release, need fix
 
-cargo web build --target wasm32-unknown-unknown --features std_web
-cargo build --target wasm32-unknown-unknown --features web_sys
+  if [ "$emscripten_supported" == "0" ]; then
+    if [[ ! " ${STD_WEB_SKIP_EXAMPLES[@]} " =~ " ${ex} " ]]; then
+      # TODO - Emscripten builds are broken on rustc > 1.39.0
+      cargo web build --target asmjs-unknown-emscripten --features std_web
+      cargo web build --target wasm32-unknown-emscripten --features std_web
+    fi
+  fi
 
-# Reset cwd
-cd ../..
+  if [[ ! " ${STD_WEB_SKIP_EXAMPLES[@]} " =~ " ${ex} " ]]; then
+    cargo web build --target wasm32-unknown-unknown --features std_web
+  fi
+  if [[ ! " ${WEB_SYS_SKIP_EXAMPLES[@]} " =~ " ${ex} " ]]; then
+    cargo build --target wasm32-unknown-unknown --features web_sys
+  fi
+
+  # Reset cwd
+  popd
+done
diff --git a/examples/futures/src/lib.rs b/examples/futures/src/lib.rs
index a7d25723703..fd769305d2a 100644
--- a/examples/futures/src/lib.rs
+++ b/examples/futures/src/lib.rs
@@ -101,6 +101,10 @@ impl Component for Model {
         }
     }
 
+    fn change(&mut self, _: Self::Properties) -> bool {
+        false
+    }
+
     fn update(&mut self, msg: Self::Message) -> ShouldRender {
         match msg {
             Msg::SetMarkdownFetchState(fetch_state) => {
diff --git a/examples/minimal/src/lib.rs b/examples/minimal/src/lib.rs
index 535fa75cf52..808df8ded4d 100644
--- a/examples/minimal/src/lib.rs
+++ b/examples/minimal/src/lib.rs
@@ -16,6 +16,10 @@ impl Component for Model {
         Model { link }
     }
 
+    fn change(&mut self, _: Self::Properties) -> bool {
+        false
+    }
+
     fn update(&mut self, msg: Self::Message) -> ShouldRender {
         match msg {
             Msg::Click => {}
diff --git a/examples/nested_list/src/app.rs b/examples/nested_list/src/app.rs
index 8e1d022a39c..3bb40b32cfe 100644
--- a/examples/nested_list/src/app.rs
+++ b/examples/nested_list/src/app.rs
@@ -24,6 +24,10 @@ impl Component for App {
         }
     }
 
+    fn change(&mut self, _: Self::Properties) -> bool {
+        false
+    }
+
     fn update(&mut self, msg: Self::Message) -> ShouldRender {
         match msg {
             Msg::Hover(hovered) => self.hovered = hovered,
diff --git a/examples/nested_list/src/header.rs b/examples/nested_list/src/header.rs
index 392cbb1be59..540488af8ec 100644
--- a/examples/nested_list/src/header.rs
+++ b/examples/nested_list/src/header.rs
@@ -21,6 +21,10 @@ impl Component for ListHeader {
         ListHeader { props }
     }
 
+    fn change(&mut self, _: Self::Properties) -> bool {
+        false
+    }
+
     fn update(&mut self, _: Self::Message) -> ShouldRender {
         false
     }
diff --git a/examples/nested_list/src/item.rs b/examples/nested_list/src/item.rs
index 7ee0d2864f7..4830f52eb09 100644
--- a/examples/nested_list/src/item.rs
+++ b/examples/nested_list/src/item.rs
@@ -24,6 +24,10 @@ impl Component for ListItem {
         ListItem { props }
     }
 
+    fn change(&mut self, _: Self::Properties) -> bool {
+        false
+    }
+
     fn update(&mut self, _msg: Self::Message) -> ShouldRender {
         false
     }
diff --git a/examples/nested_list/src/list.rs b/examples/nested_list/src/list.rs
index daa8e5f4511..57730c6fb49 100644
--- a/examples/nested_list/src/list.rs
+++ b/examples/nested_list/src/list.rs
@@ -56,6 +56,10 @@ impl Component for List {
         }
     }
 
+    fn change(&mut self, _: Self::Properties) -> bool {
+        false
+    }
+
     fn update(&mut self, msg: Self::Message) -> ShouldRender {
         match msg {
             Msg::HeaderClick => {
@@ -122,8 +126,10 @@ where
 impl Into<VNode> for ListVariant {
     fn into(self) -> VNode {
         match self.props {
-            Variants::Header(props) => VComp::new::<ListHeader>(props, NodeRef::default()).into(),
-            Variants::Item(props) => VComp::new::<ListItem>(props, NodeRef::default()).into(),
+            Variants::Header(props) => {
+                VComp::new::<ListHeader>(props, NodeRef::default(), None).into()
+            }
+            Variants::Item(props) => VComp::new::<ListItem>(props, NodeRef::default(), None).into(),
         }
     }
 }