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In this tutorial will show you how develop a Chrome Extension with a custom html scraper.

  "manifest_version": 2,
  "name": "Reply News and Events",
  "description": "Chrome Extension for Reply News and Events",
  "version": "1.0",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  "permissions": ["tabs", "*"],
  "homepage_url": "",
  "background": { "scripts": ["js/jquery-1.10.2.js","js/jquery-ui-1.10.4.custom.js",
"background.js", "js/jquery.pajinate.js"] },
  "web_accessible_resources": [
  "icons": {"16": "16.png", "48": "48.png", "128": "128.png"}
In this page there classic HTML tags.
The most important part is in the <head></head> tag:
             <title>Web Scraper</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" >
<meta name="AUTHOR" content="Pasturenzi Francesco">
<meta http-equiv="CACHE-CONTROL" content="NO-CACHE">
<meta http-equiv="PRAGMA" content="NO-CACHE">
<meta name="ROBOTS" content="NONE,NOARCHIVE"> 
<meta name="GOOGLEBOT" content="NOARCHIVE"> 
<link type="text/css" rel="stylesheet" href="css/ui-lightness/jquery-ui-1.10.4.custom.css" />
<link type="text/css" rel="stylesheet" href="css/styles-pajinate.css" />
<script type="text/javascript" src="js/jquery-1.10.2.js"></script>
<script type="text/javascript" src="js/jquery-ui-1.10.4.custom.js"></script>
<script type="text/javascript" src="js/jquery.pajinate.js"></script>
<script type="text/javascript" src="popup.js"></script>
And body part:
<body style="background:#000000;">
<div id="response_parse_html" style="color:#FFFFFF;"></div>
$(document).ready(function() {


function ajaxLoadContent() {
url: "",
type: "GET",
timeout: 5000,
datattype: "html",
success: function(data) {
//scanner + parser
if($(this).attr("id") == "mostrecent"){
return false;
All everything about the style structure, layout is at your discretion.
Once you have written the various sources. 
1) Open Chrome 
2) Click on the "Menu" 
3) click on Tools 
4) click on Extensions 
5) click on "Load Unpacked Extension not ..." 
It should appear there in the list below.