diff --git a/modules/lang/web/doctor.el b/modules/lang/web/doctor.el
new file mode 100644
index 000000000..c351f0c73
--- /dev/null
+++ b/modules/lang/web/doctor.el
@@ -0,0 +1,8 @@
+;;; lang/web/doctor.el -*- lexical-binding: t; -*-
+
+(unless (executable-find "js-beautify")
+  (warn! "Couldn't find js-beautify. Code formatting in JS/CSS/HTML modes will not work."))
+
+(unless (executable-find "stylelint")
+  (warn! "Couldn't find stylelint. Linting for CSS modes will not work."))
+