Turns out, the <base> tag is bad. Who knew!

Author: ReFreezed

src/app.lua2p

@@ -151,8 +151,6 @@ if command == "new" then
 						<meta name="viewport" content="width=device-width, initial-scale=1">
 						{{ generatorMeta() }}
 
-						<base href="{{ url(site.baseUrl) }}">
-
 						<title>
 							{{ echo(page.title ~= "" and page.title.." -" or "") }}
 							{{ echo(site.title) }}

testsite/layouts/header.html

@@ -7,8 +7,6 @@
 	<meta name="viewport" content="width=device-width, initial-scale=1">
 	{{generatorMeta()}}
 
-	<base href="{{site.baseUrl}}">
-
 	<title>
 		{{page.title ~= "" and page.title.." |" or ""}}
 		{{site.title}}