diff --git a/copyparty/web/browser.html b/copyparty/web/browser.html
index e8a91c5a9..b372cd584 100644
--- a/copyparty/web/browser.html
+++ b/copyparty/web/browser.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="en" id="ht_brw">
 
 <head>
 	<meta charset="utf-8">
diff --git a/copyparty/web/idp.html b/copyparty/web/idp.html
index 9db4b88ce..1e87ff93f 100644
--- a/copyparty/web/idp.html
+++ b/copyparty/web/idp.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="en" id="ht_idp">
 
 <head>
 	<meta charset="utf-8">
diff --git a/copyparty/web/md.html b/copyparty/web/md.html
index d1a186ec6..ac17db2fc 100644
--- a/copyparty/web/md.html
+++ b/copyparty/web/md.html
@@ -1,4 +1,7 @@
-<!DOCTYPE html><html><head>
+<!DOCTYPE html>
+<html lang="en" id="ht_md">
+
+<head>
 	<meta charset="utf-8">
 	<title>📝 {{ title }}</title>
 	<meta http-equiv="X-UA-Compatible" content="IE=edge">
@@ -11,6 +14,7 @@
 	{%- endif %}
 {{ html_head }}
 </head>
+
 <body>
 	<div id="mn"></div>
 	<div id="mh">
diff --git a/copyparty/web/mde.html b/copyparty/web/mde.html
index 47bf8d0cf..82a8cf65f 100644
--- a/copyparty/web/mde.html
+++ b/copyparty/web/mde.html
@@ -1,4 +1,7 @@
-<!DOCTYPE html><html><head>
+<!DOCTYPE html>
+<html lang="en" id="ht_mde">
+
+<head>
 	<meta charset="utf-8">
 	<title>📝 {{ title }}</title>
 	<meta http-equiv="X-UA-Compatible" content="IE=edge">
@@ -10,6 +13,7 @@
 	<link rel="stylesheet" href="{{ r }}/.cpr/deps/easymde.css?_={{ ts }}">
 {{ html_head }}
 </head>
+
 <body>
 	<div id="mw">
 		<div id="mn"></div>
diff --git a/copyparty/web/msg.html b/copyparty/web/msg.html
index f5d3edc9f..30f53d552 100644
--- a/copyparty/web/msg.html
+++ b/copyparty/web/msg.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="en" id="ht_msg">
 
 <head>
 	<meta charset="utf-8">
diff --git a/copyparty/web/rups.html b/copyparty/web/rups.html
index 544c1ac19..c657d09b8 100644
--- a/copyparty/web/rups.html
+++ b/copyparty/web/rups.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="en" id="ht_rup">
 
 <head>
 	<meta charset="utf-8">
diff --git a/copyparty/web/shares.html b/copyparty/web/shares.html
index fcb53cadc..c7da235e6 100644
--- a/copyparty/web/shares.html
+++ b/copyparty/web/shares.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="en" id="ht_shr">
 
 <head>
 	<meta charset="utf-8">
diff --git a/copyparty/web/splash.html b/copyparty/web/splash.html
index 4f95eff1f..f5332c612 100644
--- a/copyparty/web/splash.html
+++ b/copyparty/web/splash.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="en" id="ht_spl">
 
 <head>
 	<meta charset="utf-8">
diff --git a/copyparty/web/svcs.html b/copyparty/web/svcs.html
index 983489815..e5eeb8933 100644
--- a/copyparty/web/svcs.html
+++ b/copyparty/web/svcs.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="en" id="ht_svc">
 
 <head>
 	<meta charset="utf-8">