Now, Google has added it in the stable release of Chrome, which will be downloaded masses. Now, as developers, how can we utilize this wisely and still save bandwidth.

First, we need to tell Chrome which links to prerender. For this, you just need to add this line on your HEAD tag.

<link rel="prerender" href="http://example.org/nextpage.html" />

Here is a WordPress plugin which does this out of the box for you.

Negative effects if you enable Prerendering

No questions, its so cool for the visitors to get pages load faster. But it eats up their bandwidth uselessly unless they want to click on another link.
Now whats bad for the developer / site owner ?

1. It loads pages un-necessarily, which wastes server resource and band width.
2. Users may see not so updated page if you have real time data on your page. Because what user will see is data already loaded
3. DOM based JS layouting may have trouble ( atleast for now, some websites may break )
4. Analytics Data may get messed – Google says that any page Analytics may count prerendering as a pageview. It was a small amount earlier, but now Prerendering is spread through Chrome stable release. Lets hope Google Analytics Team will come up with a solution.
5. Be prepared with a good web hosting packages to get more visits on to your site. I mean just hists, not visits though

Keep watching this space to get updated on this matter.

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Another quick way is to use iframes. Just put following code in your index.html of new domain.

 <iframe src="http://originalsite.com" height="100%" width="100"></iframe> 

But if visitor clicks a link on the page, it wont update the url on the address bar and user fill feel fishy

Here is the simple script which makes the masking work. It has two portions a php file and one htaccess file.

What php file does is, it opens the original website and grab the content to bump it back to the browser. In the process, it replaces any text with source site url to your new url. So that links on the site and all resource are called from your new domain itself. Smart! isn’t it?

# index.php
<?php
// enter your site names here. Just the core url no http or tail slashes
$wc_source = "originalsite.com";
$wc_mirror = "yourawesomedomain.com";
/*
Look hard under this line. But dont try to change unless you are above 18 and know how to read awasthakiyoguyiomonstia
*/
$sql = $_GET['sql'];
$URL = "http://".$wc_source."/".$sql;
$fullPath = $URL;
$base = '<base href="'.$URL.'">';
$host = preg_replace('/^[^\/]+\/\//','',$URL);
$tarray = explode('/',$host);
$host = array_shift($tarray);
$URI = '/' . implode('/',$tarray);
$content = '';
$fp = @fsockopen($host,80,$errno,$errstr,30);
if(!$fp) { echo "Unable to open socked: $errstr ($errno)\n"; exit; }
fwrite($fp,"GET $URI HTTP/1.0\r\n");
fwrite($fp,"Host: $host\r\n");
if( isset($_SERVER["HTTP_USER_AGENT"]) ) { fwrite($fp,'User-Agent: '.$_SERVER["HTTP_USER_AGENT"]."\r\n"); }
fwrite($fp,"Connection: Close\r\n");
fwrite($fp,"\r\n");
while (!feof($fp)) { $content .= fgets($fp, 128); }
fclose($fp);
if( strpos($content,"\r\n") > 0 ) { $eolchar = "\r\n"; }
else { $eolchar = "\n"; }
$eolpos = strpos($content,"$eolchar$eolchar");
$content = substr($content,($eolpos + strlen("$eolchar$eolchar")));
$content = str_replace($wc_source,$wc_mirror,$content);
// replaces paths with / in the begining without full url. not required unless you are in subfolder
$content = str_replace('href="/','href="http://'.$wc_mirror.'/',$content);
$content = str_replace('src="/','src="http://'.$wc_mirror.'/',$content);

// $fsize = filesize($fullPath);
    $path_parts = pathinfo($fullPath);
    $ext = strtolower($path_parts["extension"]); 

    // Determine Content Type
    switch ($ext) {
      case "pdf": $ctype="application/pdf"; break;
      case "exe": $ctype="application/octet-stream"; break;
      case "zip": $ctype="application/zip"; break;
      case "doc": $ctype="application/msword"; break;
      case "xls": $ctype="application/vnd.ms-excel"; break;
      case "ppt": $ctype="application/vnd.ms-powerpoint"; break;
      case "gif": $ctype="image/gif"; break;
      case "png": $ctype="image/png"; break;
      case "jpeg": $ctype="image/jpg"; break;
      case "jpg": $ctype="image/jpg"; break;
      case "js": $ctype="text/javascript"; break;
      case "css": $ctype="text/css"; break;
    } 

    header("Pragma: public"); // required
    header("Expires: 0");
    header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
    header("Cache-Control: private",false); // required for certain browsers
    header("Content-Type: $ctype");
    header("Content-Transfer-Encoding: binary");
//    header("Content-Length: ".$fsize); 

if( preg_match('/<head\s*>/i',$content) ) { echo( preg_replace('/<head\s*>/i','<head>'.$base,$content,1) ); }
else { echo ( str_replace($wc_source,$wc_mirror,preg_replace('/<([a-z])([^>]+)>/i',"<\\1\\2>".$base,$content,1) ));
}
?>

Now its true that you don’t have any other resource / files on the new domain server. Here comes the htaccess to play its role. htaccess sends all requests to index.php with full path so that index.php can return content for corresponding files from Original website.

#htaccess file
<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteBase /
    #Checks to see if the user is attempting to access a valid file,
    #such as an image or css document, if this isn't true it sends the
    #request to index.php
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^(.*)$ /index.php?sql=$1 [L]
</IfModule>

Implementation is very straight forward. You just need to put in the source and mirror urls in the php file. Everything works out of the box.

Once the files are set with proper urls, when you go to newdomain.com , it will show you content from originalsite.com and all links will word as of newdomain.com/link.html

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For last few days, I have been looking towards high stored buildings. If you know me in person, it’s not me who stare at large buildings often. I usually don’t care height, age and the language you speak and that applies to any object not just human. But why I now began to look for large buildings now days? It has a solid reason behind it. I know for sure it’s the only thing which can save my life tomorrow. Yes, if the Mullapperiyar Dam collapses tomorrow, I will be one of the 35 lack people who will go underwater. I’m not afraid of dying I know it will happen a day and I always believed myself that mine will be sooner. What I want my readers is to make sure that we know we were gonna die before we actually do.

35 lack people are going to die not because of a natural disaster. But the laziness and ignorance of a major part of us and shattered groups of people who know it’s going to happen and didn’t care. I don’t understand the logic of renting a 50 years lifetime guaranteed dam for 999 years with rent of 30 rupee per acre. And it’s been more than 116′years. Couple of tens of years ago, the agreement was renewed by officers of both Kerala and Tamil Nadu and nobody was known about it in public.

You can read more about the issues and the history behind the funny Mullaperiyar dam agreements here. But what I’m Noreen interested is ignoring the history considering it as a story and find a solution.

• Ministry of Water resources
• IS MULLA PERIYAR DAM SAFE? by Prof.T.Shivaji Rao, Director, Centre for Environmental Studies, GITAM, Visakhapatnam

As the case is between two states Kerala and Tamil Nadu things are little complicated here. Only question Kerala has is about life of 35lack people in five districts including Idukki, Ernakulam and Alappuzha.
For Tamil Nadu, it’s main source of their revenue in terms of electricity which Tamil Nadu produces from Mullaperiyar which was not agreed in the Dam agreement with Kerala. What Kerala agreed was that the water can be used for serving water supply to seven districts in Tamil Nadu.

Solution #1: Build a large parallel Dam within secure distance from current dam and break current one.
Flaws: It will take at least ten years to build a similar capacity dam and current dam can’t stay for more than an year as it is now. Keep in mind that yesterday there was fourth miner earthquake of this month. So either Tamil Nadu will have to suffer ten years without less water which may cause major financial lose to the state specially who depends on agriculture. But keeping watter level in low while the other Dam is build will solve 70% of water availability issue. Kerala Govnt even agreed to spend 600 crores for new Dam for sake of people security. Kerala is not using water from Mullaperiyar Dam at present. So with investment of money in, Kerala is expecting to get water benefits.

Solution #2: Build more smaller Dams and lower water level of Mullaperiyar and distroy Mullaperiyar securely after all Dams are built. Water can still be used by Tamil Nadu, but they wont be able to make 30,000 crore per year which they are making now by electricity which was not agreed in the initial agreement with Kerala. Tamil Nadu will not agree to such a lose ignoring life of millions of people in Kerala.

Solution #3: This is my favorite. The more I grow, Im losing my pride as Indian. Politics, Language barriers and unwanted criticism and overtaking of rules my human is making me nervous these days. I dont find a meaning in being one country with numerous states that fights each other. The Central government system has no power when it comes to warn or act against these states. Corruption is leading the country to its higher levels.

So lets talk about the solution. Shuffle the state boundary structure. A lot of people in Idukki District are Tamil speaking people and the range fixing of states in India was not done properly when we got Freedom in 1947. So shuffle state borders in a way that there is no more inter state fights.

So to wrap, let me write this too… If we die tomorrow we are not going to complaint no more about it. News papers and TV channels may live broadcast us drinking water and die. You may see us dead after few days like fishes on the shore. But people who watch this wont feel anything special humanly about it. Because we died because we didn’t had voice to talk, or those who had voice, they didn’t talk. So we die…

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iSSH

Though it smells greeky to have ssh client on top of the list, it is really a life saver for me.

Air Display

Ever wished if your monitor had touch screen? Now that dream has come true. Now you can use iPad/iPhone as additional display for your Windows and Mac with touch capability. Close your mouth and start touching your desktop icons and Paint brush with your fingers in Photoshop

Skyfire Web Browser for iPad

I love Chrome to be on my iPad as well. But for now Safari is my main browser on iPad. Skyfire is awesome because you wont miss flash videos anymore.

Phone Drive

Storing files on iDevices are still pain in Ass as unless you use iFiles. Now there are a lot of Apps which lets you use iPad as Wifi Hard Disc so that you can store files and sync files using iTunes. Photo Drive also lets you access through FTP client, which is awesome.

NAVIGON MobileNavigator

The Awesome most GPS tracking App for iPad. I know there are several other apps. But this one got almost all roads in India covered. This one got voice over feature which helps when you are driving. But dont trust machines on Indian roads yet

Reeder

Google Reader Client with minimal UI and faster Syncing for Offline reading. Best app when you wake up and go out for a long day with spare time. Sync feeds in the morning and read whole day.

Talkatone

Who said iPad cant be used as Phone? Call me on my Google voice number and I will answer you from my iPad. I can also make calls from my Google Voice number using GV Connect. It just works like a Charm.

Real Piano HD Pro

Dont worry about the name HD and Pro, its Free! . A Beautiful music app with amazing features and simple interface. Just fell in love with it though Guitar was my favorite music instrument.

VLC

You know her very well, so do I. You will need to jailbreak to install this now a days. Apple removed her from AppStore coz its opensource.

Installous

If you know about this app, you already have it installed. Jailbreakme your iPad with a reason. This is it.

I hope you love these apps as well. Tell me if you have some awesome app on your iPad which I havent mentioned here. I love to try all of them

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As said, most people including me don’t always have wifi connected. Specially when we are on road and that’s where phone is mostly gonna get disappeared. And I keep cellular data turned off on iPhone because it drains battery easily and costs me even if I don’t do anything. (It keeps checking mails and updates)

Then I came across a jaw dropping featured iPhone app for tracking location. iLocalis. It has everything that Find iPhone app promises, and does a lot more.

• Track phone using remote SMS commands
• Notify friends nearby
• Initiate Call remotely ( You can make phone calls from iPhone to any number from a web interface )
• Remote backup ( Never lose your data even if you lose your phone )
• Alert Zones ( Know when ever they come to your area )
• Remote audio recording – A real spy on your phone who send you Thief’s secret talk to your email
• Remote iPhone lock

Another very cool feature is that, you can update your location data to Google Latitude in real time. This helps users with old iPhone to use Google Latitude functionality as official app requires latest iOS.

Wait no more, download iLocalis from cydia. Here is how to do that. Tell me about your lost phone story

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But now a days I found myself less interested in using a smartphone, but loving the post PC era. The tablets are rolling around. So I reviewed tablets available which will help me a lot in my job and of course for gaming. iPad was the first choice. But now I have a super priority choice. “Samsung Galaxy Tab 750″

Not only it has got dual core processor, latest version of Android Honeycomb makes the hardware software blending amazing.

No, you can’t compare it with an iPad 2. This has got 1280X800 large display when iPad 2 still has 1024X768 like the old windows PCs had in 90′s. The camera in Tab comes with an awesome 8MP with Flash on rear and 2MP camera on front.

Now, checking what I would love to do in a new gadget that I’m buying galaxy 750 overtakes iPad a lot. Considering i don’t need 25 Twitter applications and 34 farting applications from the AppStore, Android is Google’s and I get almost everything that I want to do on it. Real HD movies, Google Talk with video etc are invoking me to buy one soon.

Now about pricing, ipad 16gb 3g+wifi comes at 36K in India . But galaxy in India costs around 33K, which is deal-maker.

Did I mention that galaxy tab is thinner than iPad2 which Steve said tremendously slimmer than the iPhone 4 you have! And less weight than an Ipad 2.

Features in a Table

Check out Samsung website to see more information.

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After huge success of Galaxy S2 Smartphone, which competed tremendously against Apple’s iPhone and all Nokia phones at once, Samsung Mobile is all set to launch a 10.1 inch version of its successful Galaxy Tab series called the galaxy tab 750 in India. The Galaxy Tab 10.1 has got Android 3.1 (Honeycomb), and support of USB accessories, external keyboards, joysticks and gamepads.

You can watch the live webcast of Launch event here on August 10th.

Samsung Galaxy Tab price in India

Samsung Galaxy Tab 750 is yet to launch tomorrow. Im waiting for the pricing as well

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Awesome Screenshot: Capture & Annotate

Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. Support PNG and shortcuts. You can also tweet and Facebook share direct from this extension.

Blogger Dynamic Views (by Google)

Blogger now provides five new dynamic views for public blogs. These new views use the latest in web technology, including AJAX, HTML5 and CSS3, to deliver a host of benefits:

Infinite scrolling: read more posts without having to reload or click to a second page
New layouts: different views suited to different types of blogs
Speed: download images as you view them, not all at once in advance
Interactivity: there are now more ways to experience and engage with blog content

This extension notifies you if you’re on a Blogger blog and lets you quickly view the blog content in one of the new five dynamic views. Simply click on the Blogger icon when it appears, select the view, and you’ll be redirected appropriately

Boomerang for GMail

Allows you to schedule messages to be sent or returned at a later date. This helps me to followup mails at times which I kept open but need to reply after two days and so. Also to send scheduled birthday wishes to friends and family

Chrome SEO

The Google Chrome SEO Extension. All the SEO Stats and Tools you need to make daily SEO easier. The MOST popular Chrome SEO Plugin!

Chrome Toolbox (by Google)

A quick access tool that allows you to put your favorite browser commands in one drop down menu, save unsubmitted form data, magnify images, view videos in standalone windows, and define shortcuts to open all links in any bookmark folder.

My favotire features in this Extension are:
1. Popout Video player or Flash from a page and keep it always on top. I love to watch YouTube videos while working on something else or chatting with my friends online.
2. Scroll tabs: Mouse over on Tabs bar and scroll mouse to switch between tabs. Its a native Linux feature which I love most and now its in Chrome. As I am using Sidebar Tabs, its very handy to access all tabs instantly from a mouse scroll. But suddenly it stopped working for Sidebar Tabs. But works fine on Normal top tabs.
3. Set any image as Wallpaper with single click. I love changing my wallpaper when ever I see a new Good picture.

Docs PDF/PowerPoint Viewer (by Google)

Other than all Document types and image formalts, this opens PSD files also in Google Docs. So you dont have to download and wait for Photoshop or Irfan view to open

Easy Youtube Video Downloader

Easiest method to download YouTube videos in FLV, MP3, 3GP, MP4, 720p and 1080p FULL-HD video qualities. This adds a DOWNLOAD button next to Share option in YouTube videos and does it always as asked to

goo.gl URL Shortener

Shorten url with goo.gl, the Google URL shortener, and share with many different service!

Google Calendar Checker (by Google)

Quickly see the time until your next meeting from any of your calendars. Click on the button to be taken to your calendar. You know, a calendar always helps you to be up to date

Google Plus

Go to Google+. Just a useless bookmark. I will uninstall this now

Google Quick Scroll

Quick Scroll lets you jump directly to the relevant bits of a Google search result. You searched in Google, you opened the page. What the Hell? Its a long page and you cant see what your looking for? This leads you to the bite where you want.

Google Reader Snow Leopard

Since I began to use an iPhone, I love Apple. Oh not from that, I love Apple from childhood. But to eat them

Google Similar Pages beta (by Google)

Discover webpages similar to the page you’re currently browsing. Does a “related:SITENAME” search and shows top four results in a window where you can click and open. Helps a lot in my researchs.

Google Voice (by Google)

Google Voice Notification and quick access to Google voice keypad to dail.

Handoff Extension

Pushes current URL to iPhone. Helps me test sites on iPhone without typing URL in iPhone Safari. Also cool way to open an AppStore link in iPhone AppStore and download from phone.

Rapportive

Gives me alot more inforamtion about the Email Sender when I get a new mail in gMail.

Search by Image (by Google)

Quick search for Similar images in Google image search from any website.

Super Mario Bros. Crossover

Man I love this Game. If you are new to this, use the Hacked version. It never gets Game over

TweetDeck

Dont have to login each time on twitter. This saves you data offline and I just love this over Twitter.com

Voice Search

Helps to Search by Voice. Yes, now you can ask to Google for anything. I mostly use to know how Good my English pronounciation is

Web Developer

A lovely plugin saved a lot of my time when I was developing websites and using Firefox. Never used in Chrome though!

Yellowpages Kerala

A cool tool to search for Business in Kerala. A WebCastle product

Some more

Angry Birds and GrooveShark and most used Apps alongwith Web VNC.

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Go to http://noprint.org now. Fill the form over here once you have added.

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Solution 1 : Password protection

Protecting site with htaccess password is the best way to block anyone else accessing the site. But that is not possible all the time when you have demo audience test.

Solution 2 : Robots.txt

Another Solution Google is providing is to use Robots.txt file to tell Bots not to crawl or list pages in results. But that’s not always a solution. Google’s Matt Cuts has confirmed that Google may include pages from such sites if Google think is relevant.

User-agent: *
Disallow: /

Solution 3 : Using .htaccess RewriteCond

So the solution is to block Google and other similar bots from accessing your site. For that, put following code in your htaccess.

RewriteEngine on
RewriteCond %{HTTP_USER_AGENT} AltaVista [OR]
RewriteCond %{HTTP_USER_AGENT} Googlebot [OR]
RewriteCond %{HTTP_USER_AGENT} msnbot [OR]
RewriteCond %{HTTP_USER_AGENT} Slurp
RewriteRule ^.*$ "http\:\/\/htmlremix\.com" [R=301,L]

Change URL in last line to your main site so that your site gets SEO ranking if someone linked in to your blocked site.
Download this htaccess block other common bot access

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