diff --git a/README.md b/README.md
index 45f4a05..de80053 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ In separate terminals:
 
 3\. Run a debuggable TestCafé instance:
 
-    npx testcafe --hostname localhost --skip-js-errors --debug-mode chrome tests/spec
+    npx testcafe --hostname localhost --skip-js-errors --debug-mode firefox tests/spec
 
 If you want to export the current data in the Mastodon instance as canned data, so that it can be loaded later:
 
@@ -42,6 +42,15 @@ Run integration tests:
 
     npm test
 
+Run tests for a particular browser:
+
+    BROWSER=chrome npm run test-browser
+    BROWSER=chrome:headless npm run test-browser
+    BROWSER=firefox npm run test-browser
+    BROWSER=firefox:headless npm run test-browser
+    BROWSER=safari npm run test-browser
+    BROWSER=edge npm run test-browser
+
 Automatically fix most linting issues:
 
     npx standard --fix
\ No newline at end of file
diff --git a/package.json b/package.json
index 096582f..d333684 100644
--- a/package.json
+++ b/package.json
@@ -13,8 +13,9 @@
     "build-sass": "node ./bin/build-sass.js",
     "build-sass-watch": "node ./bin/build-sass.js --watch",
     "run-mastodon": "node ./bin/run-mastodon",
-    "run-testcafe": "testcafe --hostname localhost --skip-js-errors chrome:headless tests/spec",
-    "test": "run-p --race run-mastodon dev test-mastodon",
+    "run-testcafe": "cross-env-shell testcafe --hostname localhost --skip-js-errors $BROWSER tests/spec",
+    "test": "cross-env BROWSER=chrome:headless npm run test-browser",
+    "test-browser": "run-p --race run-mastodon dev test-mastodon",
     "test-mastodon": "run-s wait-for-mastodon-to-start run-testcafe",
     "wait-for-mastodon-to-start": "node bin/wait-for-mastodon-to-start.js",
     "globalize-css": "node ./bin/globalize-css.js",