fix: various improvements for SEO performance (#1940)

clientIO · Dec 13, 2022 · f91c544 · f91c544
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diff --git a/demo/archive/basic.html b/demo/archive/basic.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf8"/>
 

diff --git a/demo/archive/clipping.html b/demo/archive/clipping.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf8"/>
 

diff --git a/demo/archive/links.html b/demo/archive/links.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf8"/>
         <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no"/>

diff --git a/demo/bandwidth/index.html b/demo/bandwidth/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
         <title>Carrier Frequency Bandwidth</title>
 

diff --git a/demo/bus/index.html b/demo/bus/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
         <title>Mix Bus</title>
 

diff --git a/demo/chess/index.html b/demo/chess/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
         <title>Chess</title>
 

diff --git a/demo/container/index.html b/demo/container/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
         <title>Container</title>
 

diff --git a/demo/curves/index.html b/demo/curves/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
         <title>Curves</title>
         <link rel="stylesheet" type="text/css" href="../../build/joint.css" />
         <link rel="stylesheet" type="text/css" href="css/curves.css" />

diff --git a/demo/devs/index.html b/demo/devs/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
         <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no"/>

diff --git a/demo/dgl/index.html b/demo/dgl/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="UTF-8">
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
         <title>Directed Graph Layout</title>
         <link rel="stylesheet" type="text/css" href="./css/styles.css" />
     </head>

diff --git a/demo/elements/index.html b/demo/elements/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
   <head>
     <meta charset="utf-8"/>
     <title>JointJS Elements</title>

diff --git a/demo/elk/index.html b/demo/elk/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
 <head>
     <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>ELK Layered Layout</title>
     <link rel="stylesheet" type="text/css" href="css/styles.css">
 </head>

diff --git a/demo/embedding/custom-embeding.html b/demo/embedding/custom-embeding.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
         <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no"/>

diff --git a/demo/embedding/nested-clone.html b/demo/embedding/nested-clone.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf8"/>
 

diff --git a/demo/embedding/nested.html b/demo/embedding/nested.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf8"/>
 

diff --git a/demo/embedding/nested2.html b/demo/embedding/nested2.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf8"/>
 

diff --git a/demo/erd/index.html b/demo/erd/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
         <title>ER Diagrams</title>
 

diff --git a/demo/expand/index.html b/demo/expand/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
 <head>
     <meta charset="utf8"/>
     <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no"/>

diff --git a/demo/fsa/index.html b/demo/fsa/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
         <title>Finite State Machines</title>
 

diff --git a/demo/fta/index.html b/demo/fta/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
         <title>Fault Tree Analysis</title>
 

diff --git a/demo/graph.html b/demo/graph.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf8"/>
         <title>Graph</title>

diff --git a/demo/html/index.html b/demo/html/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf8"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
         <title>HTML shapes</title>
 

diff --git a/demo/hull/index.html b/demo/hull/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
         <title>Convex Hull Algorithm</title>
 

diff --git a/demo/icons/index.html b/demo/icons/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
         <title>Icons</title>
 

diff --git a/demo/interpreter.html b/demo/interpreter.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf8"/>
 

diff --git a/demo/line-draw.html b/demo/line-draw.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf8"/>
 

diff --git a/demo/links/custom-connector.html b/demo/links/custom-connector.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf8"/>
         <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no"/>

diff --git a/demo/links/custom-links.html b/demo/links/custom-links.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf8"/>
         <title>Custom Link</title>

diff --git a/demo/links/custom-router.html b/demo/links/custom-router.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf8"/>
         <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no"/>

diff --git a/demo/links/index.html b/demo/links/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
         <title>Links</title>
 

diff --git a/demo/links/jump-over-connector.html b/demo/links/jump-over-connector.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf8"/>
         <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no"/>

diff --git a/demo/links/links-sticky-points.html b/demo/links/links-sticky-points.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf8"/>
         <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no"/>

diff --git a/demo/links/pipes.html b/demo/links/pipes.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
   <head>
     <meta charset="utf8"/>
     <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no"/>

diff --git a/demo/links/router-orthogonal.html b/demo/links/router-orthogonal.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
   <head>
     <meta charset="utf8"/>
     <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no"/>

diff --git a/demo/list/index.html b/demo/list/index.html
@@ -2,6 +2,7 @@
 <html style="height:100%;">
   <head>
     <meta charset="utf-8"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>JointJS List Element</title>
     <link rel="stylesheet" type="text/css" href="node_modules/jointjs/dist/joint.css" />
   </head>

diff --git a/demo/logic/index.html b/demo/logic/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
         <title>Logic Circuits</title>
 

diff --git a/demo/marey/index.html b/demo/marey/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
         <title>Marey Chart</title>
         <link rel="stylesheet" type="text/css" href="../../build/joint.css" />
         <link rel="stylesheet" type="text/css" href="css/marey.css" />

diff --git a/demo/orbit/index.html b/demo/orbit/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
         <title>Orbit</title>

diff --git a/demo/org/index.html b/demo/org/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
         <title>Organizational Charts</title>
 

diff --git a/demo/paper/index.html b/demo/paper/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
   <head>
     <meta charset="utf-8"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
     <title>Paper attributes</title>
 

diff --git a/demo/paper/responsive.html b/demo/paper/responsive.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf8"/>
         <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no"/>

diff --git a/demo/petri nets/index.html b/demo/petri nets/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
         <title>Petri Nets</title>
 

diff --git a/demo/ports/dynamic.html b/demo/ports/dynamic.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
 <head>
     <meta charset="utf8"/>
     <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no"/>

diff --git a/demo/ports/ports.html b/demo/ports/ports.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
 <head>
     <meta charset="utf8"/>
     <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no"/>

diff --git a/demo/ports/ports2.html b/demo/ports/ports2.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf8"/>
 

diff --git a/demo/puzzle/index.html b/demo/puzzle/index.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf8"/>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
         <title>Jigsaw Puzzle</title>
         <link rel="stylesheet" type="text/css" href="../../build/joint.css" />
         <style>

diff --git a/demo/requirejs/index.html b/demo/requirejs/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
   <head>
     <link rel="stylesheet" href="../../build/joint.css" />
     <style>

diff --git a/demo/rough/index.html b/demo/rough/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <meta charset="utf-8"/>
         <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no"/>