Here is a simple trick which enables to turn your website into maintenance mode using .htaccess file. If you want to give an informative message saying "We are under maintenance", create a custom HTML page containing the message and put it in the website root. For e.g., we create an HTML page called "under-maintenance.html" and [...]

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Cache control is a mechanism used to control the caching behavior of a web browser. By default, all modern browsers know what content to be cached and reuse when again it requires. Browsers are using their own unique algorithms to decide whether the cached content can be safely re-used or not. Normally, browsers cache all [...]

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There are few useful options to the powerful wget command, a non-interactive Linux/Unix command line downloader which helps you identifying various http server responses, performance related issues and optional feature supports. For probing an http server and identifying its response, we can use the --spider option. wget --spider http://www.google.com --06:24:36-- http://www.google.com/ Resolving www.google.com... 74.125.53.103, 74.125.53.99, [...]

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