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Showing posts from October, 2013

Twitter: How To Implement Summary Card

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Hello Friends, this tutorial will help you to implement one of the Twitter card, Summary Card. There are different cards available in Twitter. like Summary Photo Product Gallery App Player Today we will see implementation of Summary Card. Summary card gives preview of website to reader which get shared via twitter. It is a rich snippet which display Title, Description and Image of shared website.  To use summary card you need to add few meta tags in your webpage. Follow the given step to get these meta tags 1.     Visit following link https://dev.twitter.com/docs/cards/validation/validator 2.   Choose Twitter Card, which is   Summary . 3.   Add meta information  twitter:site   (Site Twitter Username) twitter:title   (Site/Webpage Title) twitter:description   (Site/Webpage Description) twitter:creator   (Site Twitter Creator) twitter:image:src   (Site/Webpage Image) twitter:domain   (Site Domain)   4.   Then select sample

jQuery: How To Make Your Image based Website Load Faster

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Hello Friends, Today I am writing my second tutorial post regarding optimization of webpage which contains bulks of images. Let’s consider one scenario where you want to display hundreds of images at a time. And also your client wants this webpage should load faster. Now here is the problem, webpage won’t get loaded fully unless all of its images get download first. Which means as number of images in webpage increases the load time of that webpage also increased. To solve this problem we must reduce the webpage load time, indirectly it means that we need to load less amount of images. Consider a scenario where we load only one default image at each place of actual images indicating that these actual images are getting downloaded and using Javascript we will download these actual images after window finishes its loading. Following diagrams will help you to understand the flow. as one image wont takes too much time to load, therefore webpage speed inc

AJAX - How To Retrieve JSON Response from PHP script

Hello Friends, This is my first tutorial post. Today I'll explain you how to retrieve JSON response via Ajax call. First we build a PHP script to send response in JSON format, then we will gather this response from an Ajax call through jQuery script. Let’s first create a PHP script  Create a PHP script, I’ll name it as “json_response.php” And add following code in it json_response.php <?php //set header for JSON response header("Content-Type: application/json"); //render array in JSON format echo json_encode(array('status' => 200, 'message' => 'Response from PHP script in JSON format.')); This is a basic example to send JSON response. PHP script will send response with status code and message. Now create a HTML file to fetch JSON response and add it in header tag. Create a HTML file, I’ll name it as “json_response.html” And add following code. json_response.html <html>