diff --git a/wled00/data/settings_dmx.htm b/wled00/data/settings_dmx.htm
index 5438b9e6..2053fa15 100644
--- a/wled00/data/settings_dmx.htm
+++ b/wled00/data/settings_dmx.htm
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html><head><meta name="viewport" content="width=500"><meta charset="utf-8"><title>DMX Settings</title>
+<html lang="en"><head><meta name="viewport" content="width=500"><meta charset="utf-8"><title>DMX Settings</title>
 <script>
 function GCH(num) {
   d=document;
diff --git a/wled00/data/settings_leds.htm b/wled00/data/settings_leds.htm
index d85e4c8b..6a0dee0a 100644
--- a/wled00/data/settings_leds.htm
+++ b/wled00/data/settings_leds.htm
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
 <head>
   <meta charset="utf-8">
 	<meta name="viewport" content="width=500">
diff --git a/wled00/data/settings_sec.htm b/wled00/data/settings_sec.htm
index 6a860e6b..f4761db1 100644
--- a/wled00/data/settings_sec.htm
+++ b/wled00/data/settings_sec.htm
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
 <head>
 	<meta name="viewport" content="width=500">
 	<meta charset="utf-8">
diff --git a/wled00/data/settings_sync.htm b/wled00/data/settings_sync.htm
index 77814294..89c0aba4 100644
--- a/wled00/data/settings_sync.htm
+++ b/wled00/data/settings_sync.htm
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html><head><meta name="viewport" content="width=500"><meta charset="utf-8"><title>Sync Settings</title>
+<html lang="en"><head><meta name="viewport" content="width=500"><meta charset="utf-8"><title>Sync Settings</title>
 <script>var d=document;
 function H(){window.open("https://github.com/Aircoookie/WLED/wiki/Settings#sync-settings");}function B(){window.open("/settings","_self");}
 function adj(){if (d.Sf.DI.value == 6454) {if (d.Sf.DA.value == 1) d.Sf.DA.value = 0; if (d.Sf.EU.value == 1) d.Sf.EU.value = 0;}
diff --git a/wled00/data/settings_time.htm b/wled00/data/settings_time.htm
index 1311e2e8..9924530f 100644
--- a/wled00/data/settings_time.htm
+++ b/wled00/data/settings_time.htm
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
 <head>
 	<meta name="viewport" content="width=500">
 	<meta charset="utf-8">
diff --git a/wled00/data/settings_ui.htm b/wled00/data/settings_ui.htm
index 7505e034..a5fae3c6 100644
--- a/wled00/data/settings_ui.htm
+++ b/wled00/data/settings_ui.htm
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <html>
-<head>
+<head lang="en">
   <meta charset="utf-8">
 	<meta name="viewport" content="width=500">
 	<title>UI Settings</title>
diff --git a/wled00/data/settings_wifi.htm b/wled00/data/settings_wifi.htm
index 842ffbbc..819fc58a 100644
--- a/wled00/data/settings_wifi.htm
+++ b/wled00/data/settings_wifi.htm
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
 <head>
   <meta charset="utf-8">
 	<meta name="viewport" content="width=500">
diff --git a/wled00/html_settings.h b/wled00/html_settings.h
index 8943ddfe..1522593b 100644
--- a/wled00/html_settings.h
+++ b/wled00/html_settings.h
@@ -27,8 +27,8 @@ action="/settings/time"><button type="submit">Time & Macros</button></form><form
 
 
 // Autogenerated from wled00/data/settings_wifi.htm, do not edit!!
-const char PAGE_settings_wifi[] PROGMEM = R"=====(<!DOCTYPE html><html><head><meta charset="utf-8"><meta name="viewport" 
-content="width=500"><title>WiFi Settings</title><script>
+const char PAGE_settings_wifi[] PROGMEM = R"=====(<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta 
+name="viewport" content="width=500"><title>WiFi Settings</title><script>
 function H(){window.open("https://github.com/Aircoookie/WLED/wiki/Settings#wifi-settings")}function B(){window.open("/settings","_self")}function GetV() {var d=document;
 %CSS%%SCSS%</head><body onload="GetV()">
 <form id="form_s" name="Sf" method="post"><div class="helpB"><button 
@@ -67,8 +67,8 @@ Save & Connect</button></form></body></html>)=====";
 
 
 // Autogenerated from wled00/data/settings_leds.htm, do not edit!!
-const char PAGE_settings_leds[] PROGMEM = R"=====(<!DOCTYPE html><html><head><meta charset="utf-8"><meta name="viewport" 
-content="width=500"><title>LED Settings</title><script>
+const char PAGE_settings_leds[] PROGMEM = R"=====(<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta 
+name="viewport" content="width=500"><title>LED Settings</title><script>
 var d=document,laprev=55;function H(){window.open("https://github.com/Aircoookie/WLED/wiki/Settings#led-settings")}function B(){window.open("/settings","_self")}function S(){GetV(),setABL()}function enABL(){var e=d.getElementById("able").checked;d.Sf.LA.value=e?laprev:0,d.getElementById("abl").style.display=e?"inline":"none",d.getElementById("psu2").style.display=e?"inline":"none",d.Sf.LA.value>0&&setABL()}function enLA(){var e=d.Sf.LAsel.value;d.Sf.LA.value=e,d.getElementById("LAdis").style.display=50==e?"inline":"none",UI()}function setABL(){switch(d.getElementById("able").checked=!0,d.Sf.LAsel.value=50,parseInt(d.Sf.LA.value)){case 0:d.getElementById("able").checked=!1,enABL();break;case 30:d.Sf.LAsel.value=30;break;case 35:d.Sf.LAsel.value=35;break;case 55:d.Sf.LAsel.value=55;break;case 255:d.Sf.LAsel.value=255;break;default:d.getElementById("LAdis").style.display="inline"}UI()}function UI(){var e=d.querySelectorAll(".wc"),l=e.length;for(i=0;i<l;i++)e[i].style.display=d.getElementById("rgbw").checked?"inline":"none";d.getElementById("ledwarning").style.display=d.Sf.LC.value>1e3?"inline":"none",d.getElementById("ampwarning").style.display=d.Sf.MA.value>7200?"inline":"none",255==d.Sf.LA.value?laprev=12:d.Sf.LA.value>0&&(laprev=d.Sf.LA.value);var n=Math.ceil((100+d.Sf.LC.value*laprev)/500)/2;n=n>5?Math.ceil(n):n;var t="",a=30==d.Sf.LAsel.value,s=255==d.Sf.LAsel.value;n<1.02&&!a&&!s?t="ESP 5V pin with 1A USB supply":(t+=a?"12V ":s?"WS2815 12V ":"5V ",t+=n,t+="A supply connected to LEDs");var u=Math.ceil((100+d.Sf.LC.value*laprev)/1500)/2,c="(for most effects, ~";c+=u=u>5?Math.ceil(u):u,c+="A is enough)<br>",d.getElementById("psu").innerHTML=t,d.getElementById("psu2").innerHTML=s?"":c}function GetV() {var d=document;
 %CSS%%SCSS%</head><body onload="S()"><form
  id="form_s" name="Sf" method="post"><div class="helpB"><button type="button" 
@@ -136,8 +136,8 @@ onclick="B()">Back</button><button type="submit">Save</button></form></body>
 #ifdef WLED_ENABLE_DMX
 
 // Autogenerated from wled00/data/settings_dmx.htm, do not edit!!
-const char PAGE_settings_dmx[] PROGMEM = R"=====(<!DOCTYPE html><html><head><meta name="viewport" content="width=500"><meta 
-charset="utf-8"><title>DMX Settings</title><script>
+const char PAGE_settings_dmx[] PROGMEM = R"=====(<!DOCTYPE html><html lang="en"><head><meta name="viewport" content="width=500">
+<meta charset="utf-8"><title>DMX Settings</title><script>
 function GCH(n){for(d=document,d.getElementById("dmxchannels").innerHTML+="",i=0;i<n;i++)d.getElementById("dmxchannels").innerHTML+="<span id=CH"+(i+1)+"s >Channel "+(i+1)+": <select name=CH"+(i+1)+' id="CH'+(i+1)+'"><option value=0>Set to 0</option><option value=1>Red</option><option value=2>Green</option><option value=3>Blue</option><option value=4>White</option><option value=5>Shutter (Brightness)</option><option value=6>Set to 255</option></select></span><br />\n'}function mMap(){for(d=document,numCh=document.Sf.CN.value,numGap=document.Sf.CG.value,parseInt(numCh)>parseInt(numGap)?d.getElementById("gapwarning").style.display="block":d.getElementById("gapwarning").style.display="none",i=0;i<15;i++)i>=numCh?(d.getElementById("CH"+(i+1)+"s").style.opacity="0.5",d.getElementById("CH"+(i+1)).disabled=!0):(d.getElementById("CH"+(i+1)+"s").style.opacity="1",d.getElementById("CH"+(i+1)).disabled=!1)}function S(){GCH(15),GetV(),mMap()}function H(){window.open("https://github.com/Aircoookie/WLED/wiki/DMX")}function B(){window.history.back()}function GetV() {var d=document;
 %CSS%%SCSS%</head><body onload="S()"><form
  id="form_s" name="Sf" method="post"><div class="helpB"><button type="button" 
@@ -166,8 +166,8 @@ const char PAGE_settings_dmx[] PROGMEM = R"=====()=====";
 #endif
 
 // Autogenerated from wled00/data/settings_ui.htm, do not edit!!
-const char PAGE_settings_ui[] PROGMEM = R"=====(<!DOCTYPE html><html><head><meta charset="utf-8"><meta name="viewport" 
-content="width=500"><title>UI Settings</title><script>
+const char PAGE_settings_ui[] PROGMEM = R"=====(<!DOCTYPE html><html><head lang="en"><meta charset="utf-8"><meta 
+name="viewport" content="width=500"><title>UI Settings</title><script>
 var initial_ds,initial_st,d=document,sett=null,l={comp:{labels:"Show button labels",colors:{LABEL:"Color selection methods",picker:"Color Wheel",rgb:"RGB sliders",quick:"Quick color selectors",hex:"HEX color input"},pcmbot:"Show bottom tab bar in PC mode",pid:"Show preset IDs"},theme:{alpha:{bg:"Background opacity",tab:"Button opacity"},bg:{url:"BG image URL",random:"Random BG image"},color:{bg:"BG HEX color"}}};function gId(e){return d.getElementById(e)}function isObject(e){return e&&"object"==typeof e&&!Array.isArray(e)}function set(e,t,i){for(var n=t,l=e.split("_"),o=l.length,s=0;s<o-1;s++){var d=l[s];n[d]||(n[d]={}),n=n[d]}n[l[o-1]]=i}function addRec(e,t="",n=null){var l="";for(i in e){var o=t+(t?"_":"")+i;if(isObject(e[i]))n&&n[i]&&n[i].LABEL&&(l+=`<h3>${n[i].LABEL}</h3>`),l+=addRec(e[i],o,n?n[i]:null);else{var s=o;if(n&&n[i]?s=n[i]:e[i+"LABEL"]&&(s=e[i+"LABEL"]),i.indexOf("LABEL")>0)continue;var d=typeof e[i];gId(o)?("boolean"===d?gId(o).checked=e[i]:gId(o).value=e[i],gId(o).previousElementSibling.matches(".l")&&(gId(o).previousElementSibling.innerHTML=s)):"boolean"===d?l+=`${s}: <input class="agi cb" type="checkbox" id=${o} ${e[i]?"checked":""}><br>`:"number"===d?l+=`${s}: <input class="agi" type="number" id=${o} value=${e[i]}><br>`:"string"===d&&(l+=`${s}:<br><input class="agi" id=${o} value=${e[i]}><br>`)}}return l}function genForm(e){var t;t=addRec(e,"",l),gId("gen").innerHTML=t}function GetLS(){(sett=localStorage.getItem("wledUiCfg"))||(gId("lserr").style.display="inline");try{sett=JSON.parse(sett)}catch(e){sett={},gId("lserr").style.display="inline",gId("lserr").innerHTML="&#9888; Settings JSON parsing failed. ("+e+")"}genForm(sett),gId("dm").checked="light"===gId("theme_base").value}function SetLS(){for(var e=d.querySelectorAll(".agi"),t=0;t<e.length;t++){var i=e[t],n=i.classList.contains("cb")?i.checked:i.value;set(i.id,sett,n),console.log(`${i.id} set to ${n}`)}try{localStorage.setItem("wledUiCfg",JSON.stringify(sett)),gId("lssuc").style.display="inline"}catch(i){gId("lssuc").style.display="none",gId("lserr").style.display="inline",gId("lserr").innerHTML="&#9888; Settings JSON saving failed. ("+i+")"}}function Save(){SetLS(),d.Sf.DS.value==initial_ds&&d.Sf.ST.checked==initial_st||d.Sf.submit()}function S(){GetV(),initial_ds=d.Sf.DS.value,initial_st=d.Sf.ST.checked,GetLS()}function H(){window.open("https://github.com/Aircoookie/WLED/wiki/Settings#user-interface-settings")}function B(){window.open("/settings","_self")}function UI(){gId("idonthateyou").style.display=gId("dm").checked?"inline":"none";var e=gId("theme_base");e&&(e.value=gId("dm").checked?"light":"dark")}function setRandomBg(){gId("theme_bg_random").checked?gId("theme_bg_url").value="https://picsum.photos/1920/1080":gId("theme_bg_url").value=""}function checkRandomBg(){"https://picsum.photos/1920/1080"===gId("theme_bg_url").value?gId("theme_bg_random").checked=!0:gId("theme_bg_random").checked=!1}function GetV() {var d=document;
 %CSS%%SCSS%</head><body onload="S()"><form
  id="form_s" name="Sf" method="post"><div 
@@ -203,8 +203,8 @@ style="display:none"><hr><button type="button" onclick="B()">Back</button>
 
 
 // Autogenerated from wled00/data/settings_sync.htm, do not edit!!
-const char PAGE_settings_sync[] PROGMEM = R"=====(<!DOCTYPE html><html><head><meta name="viewport" content="width=500"><meta 
-charset="utf-8"><title>Sync Settings</title><script>
+const char PAGE_settings_sync[] PROGMEM = R"=====(<!DOCTYPE html><html lang="en"><head><meta name="viewport" content="width=500">
+<meta charset="utf-8"><title>Sync Settings</title><script>
 var d=document;function H(){window.open("https://github.com/Aircoookie/WLED/wiki/Settings#sync-settings")}function B(){window.open("/settings","_self")}function adj(){6454==d.Sf.DI.value?(1==d.Sf.DA.value&&(d.Sf.DA.value=0),1==d.Sf.EU.value&&(d.Sf.EU.value=0)):5568==d.Sf.DI.value&&(0==d.Sf.DA.value&&(d.Sf.DA.value=1),0==d.Sf.EU.value&&(d.Sf.EU.value=1))}function SP(){var e=d.Sf.DI.value;d.getElementById("xp").style.display=e>0?"none":"block",e>0&&(d.Sf.EP.value=e)}function SetVal(){switch(parseInt(d.Sf.EP.value)){case 5568:d.Sf.DI.value=5568;break;case 6454:d.Sf.DI.value=6454;break;case 4048:d.Sf.DI.value=4048}SP()}function S(){GetV(),SetVal()}function GetV() {
 %CSS%%SCSS%</head><body onload="S()"><form
  id="form_s" name="Sf" method="post"><div class="helpB"><button type="button" 
@@ -287,8 +287,8 @@ type="submit">Save</button></form></body></html>)=====";
 
 
 // Autogenerated from wled00/data/settings_time.htm, do not edit!!
-const char PAGE_settings_time[] PROGMEM = R"=====(<!DOCTYPE html><html><head><meta name="viewport" content="width=500"><meta 
-charset="utf-8"><title>Time Settings</title><script>
+const char PAGE_settings_time[] PROGMEM = R"=====(<!DOCTYPE html><html lang="en"><head><meta name="viewport" content="width=500">
+<meta charset="utf-8"><title>Time Settings</title><script>
 var d=document;function H(){window.open("https://github.com/Aircoookie/WLED/wiki/Settings#time-settings")}function B(){window.open("/settings","_self")}function S(){BTa(),GetV(),Cs(),FC()}function gId(t){return d.getElementById(t)}function Cs(){gId("cac").style.display="none",gId("coc").style.display="block",gId("ccc").style.display="none",gId("ca").selected&&(gId("cac").style.display="block"),gId("cc").selected&&(gId("coc").style.display="none",gId("ccc").style.display="block"),gId("cn").selected&&(gId("coc").style.display="none")}function BTa(){var t="<tr><th>Active</th><th>Hour</th><th>Minute</th><th>Preset</th><th>M</th><th>T</th><th>W</th><th>T</th><th>F</th><th>S</th><th>S</th></tr>";for(i=0;i<8;i++)for(t+='<tr><td><input name="W'+i+'" id="W'+i+'" type="number" style="display:none"><input id="W'+i+'0" type="checkbox"></td><td><input name="H'+i+'" type="number" min="0" max="24"></td><td><input name="N'+i+'" type="number" min="0" max="59"></td><td><input name="T'+i+'" type="number" min="0" max="250"></td>',j=1;j<8;j++)t+='<td><input id="W'+i+j+'" type="checkbox"></td>';gId("TMT").innerHTML=t}function FC(){for(j=0;j<8;j++)for(i=0;i<8;i++)gId("W"+i+j).checked=gId("W"+i).value>>j&1}function Wd(){for(a=[0,0,0,0,0,0,0,0],i=0;i<8;i++){for(m=1,j=0;j<8;j++)a[i]+=gId("W"+i+j).checked*m,m*=2;gId("W"+i).value=a[i]}}function GetV() {
 %CSS%%SCSS%</head><body onload="S()"><form
  id="form_s" name="Sf" method="post" onsubmit="Wd()"><div class="helpB"><button 
@@ -342,8 +342,8 @@ required><br><h3>Time-controlled presets</h3><div style="display:inline-block">
 
 
 // Autogenerated from wled00/data/settings_sec.htm, do not edit!!
-const char PAGE_settings_sec[] PROGMEM = R"=====(<!DOCTYPE html><html><head><meta name="viewport" content="width=500"><meta 
-charset="utf-8"><title>Misc Settings</title><script>
+const char PAGE_settings_sec[] PROGMEM = R"=====(<!DOCTYPE html><html lang="en"><head><meta name="viewport" content="width=500">
+<meta charset="utf-8"><title>Misc Settings</title><script>
 function H(){window.open("https://github.com/Aircoookie/WLED/wiki/Settings#security-settings")}function B(){window.open("/settings","_self")}function U(){window.open("/update","_self")}function GetV() {var d=document;
 %CSS%%SCSS%</head><body onload="GetV()">
 <form id="form_s" name="Sf" method="post"><div class="helpB"><button 
