Space can be given by a special command. gives a tabular space in program.
The HTML code used to define a blank space is   ...
In HTML, a non-breaking space is coded as " " (without the quotes).
The Hypertext Markup Language does not commonly recognize what is normally processed and read as a space. In HTML, the code language for space is represented with the characters "".
There is nothing like Blank in HTML. There could be a blank TAB space and is given by .
HTML Application could be recovered as HTML codes. Saving the page as HTML could give us an insight about the structure.
If you are using their server space, you must pay to publish custom html.
It is the space between the cell border and the text or images inside the cell. The number provided is the space in pixels. In modern HTML, it is set using CSS declarations.
h1 is header1 it is used to give heading,there h1 to h6 in html
The answer is :  
When you use extra whitespace, it is stripped by most browsers. Entering nine spaces into your HTML source, for example, will only appear as one space in your browser.
It makes a space in HTML coding.
You can use " " (Without double quotes)