How to add custom HTML/JavaScript to Blogger blog?

No matter what you need - add your custom adsense or analytics code or make some new feature, if you need to add your custom HTML/JavaScript code it is easy to do without changing your blog's theme. Follow these steps:

What is a Favicon? Where can I get it? How add favicon to my site?

Most website have favicon and it's great to have one. It helps your user to find your page easier between his/hers bookmarks or opened browser's tabs. Generally favicon means favorite icon, you can find it here:

What is the different between HTML CSS PHP and JavaScript?

That's a good question. It's very important to understand this different before starting to develop any website. So let's dive in:

HTML - it's like bones for your site. It says what to display on the user's browser: Tables, titles, paragraphs, lists, links etc. It is client-side language which is understood by browsers like Google Chrome, FireFox, Safari.