Facebook & Twitter support Open Graph Protocol to transforms your blog post into a rich social object, allowing you to decide the appearance of your post's link preview on their respective platforms.
PHP built-in server provides an excellent option to rewrite URLs through router.php. It is very convenient when testing a small PHP application on your machine without the worries of setting up a full server stack.
Browser caching for all types of files can be easily done using Apache's .htaccess file. This simple configuration results in a faster website, less consumption of bandwidth and better user experience.