diff --git a/.azure-pipelines.yml b/.azure-pipelines.yml
index 4893d187..30b1ab77 100644
--- a/.azure-pipelines.yml
+++ b/.azure-pipelines.yml
@@ -1,7 +1,8 @@
 pr: ["master"]
 
 jobs:
-  - job:
+  - job: test_all_native
+    displayName: "Native Tests"
     pool:
       vmImage: 'ubuntu-16.04'
     steps:
@@ -10,6 +11,25 @@ jobs:
           rust_version: stable
       - bash: |
           export RUST_BACKTRACE=1
-          cargo check --all || exit
           cargo test --all || exit
-        displayName: Run cargo check and test 
+        displayName: Run cargo check and test
+  - job: test_headless_firefox
+    displayName: "Headless Browser Tests (Firefox)"
+    steps:
+      - template: .ci/install-rust.yml
+        parameters:
+          rust_version: stable
+      - template: .ci/install-wasm-pack.yml
+      - template: .ci/wasm-pack-test-headless.yml
+        parameters:
+          browser_flag: --firefox
+  - job: test_headless_chrome
+    displayName: "Headless Browser Tests (Chrome)"
+    steps:
+      - template: .ci/install-rust.yml
+        parameters:
+          rust_version: stable
+      - template: .ci/install-wasm-pack.yml
+      - template: .ci/wasm-pack-test-headless.yml
+        parameters:
+          browser_flag: --chrome
diff --git a/.ci/install-wasm-pack.yml b/.ci/install-wasm-pack.yml
new file mode 100644
index 00000000..2f530081
--- /dev/null
+++ b/.ci/install-wasm-pack.yml
@@ -0,0 +1,5 @@
+steps:
+  - script: "curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh -s -- -f"
+    displayName: "Install `wasm-pack`"
+  - script: "wasm-pack --version"
+    displayName: "Query `wasm-pack` version"
diff --git a/.ci/wasm-pack-test-headless.yml b/.ci/wasm-pack-test-headless.yml
new file mode 100644
index 00000000..0b38f02c
--- /dev/null
+++ b/.ci/wasm-pack-test-headless.yml
@@ -0,0 +1,10 @@
+steps:
+  - script: |
+      set -ex
+      for x in $(ls crates); do
+        wasm-pack test --headless $BROWSER_FLAG crates/$x -- --all-features
+        wasm-pack test --headless $BROWSER_FLAG crates/$x -- --no-default-features
+      done
+    env:
+      BROWSER_FLAG: ${{parameters.browser_flag}}
+    displayName: Run `wasm-pack test`