diff --git a/.browserslistrc b/.browserslistrc
new file mode 100644
index 0000000..f86b9cb
--- /dev/null
+++ b/.browserslistrc
@@ -0,0 +1,13 @@
+# This file is used by the build system to adjust CSS and JS output to support the specified browsers below.
+# For additional information regarding the format and rule options, please see:
+# https://github.com/browserslist/browserslist#queries
+
+# You can see what browsers were selected by your queries by running:
+#   npx browserslist
+
+> 0.1%
+last 5 versions
+Firefox ESR
+not dead
+dead
+IE 9-11
diff --git a/.hintrc b/.hintrc
index a8a6e61..d4847c6 100644
--- a/.hintrc
+++ b/.hintrc
@@ -9,17 +9,10 @@
 			"browser": "Chromium"
 		}
 	},
-	"browserslist": [
-		">0%",
-		"last 8 versions",
-		"not dead",
-		"dead"
-	],
 	"hints": {
 		"axe/other": "error",
 		"https-only": "error",
 		"doctype": "error",
-		"no-broken-links": "error",
 		"performance-budget": "error",
 		"compat-api/css": "error",
 		"compat-api/html": [
diff --git a/Makefile b/Makefile
index c28ac09..148ded4 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ GEMINI_ROOT = /srv/gemini/seirdy.one
 WWW_RSYNC_DEST = $(USER):$(WWW_ROOT)
 GEMINI_RSYNC_DEST = $(USER):$(GEMINI_ROOT)
 
-OUTPUT_DIR = public/
+OUTPUT_DIR = public
 
 RSYNCFLAGS += -rlvz --zc=zstd
 
@@ -26,6 +26,11 @@ lint-css:
 lint: lint-css build .hintrc-local
 	hint --config .hintrc-local -f codeframe $(OUTPUT_DIR)
 
+check-links: build
+	lychee --verbose $(find public -type f -name '*.html' -o -name '*.gmi' -o -name '*.txt')
+
+test: lint
+
 hugo:
 	hugo
 
@@ -45,4 +50,4 @@ deploy: build
 
 all: clean lint deploy
 
-.PHONY: clean lint-css lint build deploy all
+.PHONY: clean lint-css test lint build deploy all
diff --git a/lychee.toml b/lychee.toml
new file mode 100644
index 0000000..88e64e6
--- /dev/null
+++ b/lychee.toml
@@ -0,0 +1,7 @@
+insecure = true
+method = "get"
+exclude = [
+	"^gemini://.*",
+	"mailto:.*",
+	"git@git.*",
+]