diff --git a/.gitignore b/.gitignore
index 4406794..2db89b9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,10 +3,9 @@ Thumbs.db
 
 _site/
 .sass-cache/
-favicon.ico
+src/favicon.ico
 
-db.json
 *.log
 node_modules/
-public/
+_site/
 .deploy*/
diff --git a/Makefile b/Makefile
index be6739a..f16b4f4 100644
--- a/Makefile
+++ b/Makefile
@@ -1,19 +1,23 @@
-public: favicon.ico source
-	npx hexo generate
-	cp -r node_modules/mathjax/es5 public/mathjax
-	cp favicon.ico public/
+_site: src/favicon.ico src/js/mathjax
+	cobalt build
 
-favicon.ico: favicon.svg
+src/js/mathjax: package-lock.json
+	cp -r node_modules/mathjax/es5 src/js/mathjax
+
+src/favicon.ico: favicon.svg
 	rsvg-convert -w 16 -h 16 --background-color=none favicon.svg -o favicon-16.png
 	rsvg-convert -w 32 -h 32 --background-color=none favicon.svg -o favicon-32.png
 	rsvg-convert -w 64 -h 64 --background-color=none favicon.svg -o favicon-64.png
 	convert favicon-16.png favicon-32.png favicon-64.png favicon.ico
 	rm favicon*.png
+	mv favicon.ico src/
 
 deploy: public
 	rsync -avh public/* natronics.org:/var/www
 
 clean:
-	rm -rf public
+	rm -rf _site
+	rm -f src/favicon.ico
+	rm -rf src/js/mathjax
 
-.PHONY: deploy clean
+.PHONY: _site deploy clean
diff --git a/src/js/.gitignore b/src/js/.gitignore
new file mode 100644
index 0000000..144f5e4
--- /dev/null
+++ b/src/js/.gitignore
@@ -0,0 +1,2 @@
+# Installed from node_modules, not checked in
+mathjax
\ No newline at end of file