CASCADING STYLE SHEETS AND SERVER SIDE INCLUDES
Highlight: Below, first we learn how to define individual tags with multiple definitions using the Cascading Style Sheets, and then we learn how to include common components on multiple web pages with minimum effort. We packed up with external...
Finding a Good HTML Editor
Once you've decided to write your own HTML, and you've got some
idea of how it all works, there's one thing left to think about:
which program are you going to use to do it? While you can use
programs like Notepad or Wordpad that come with...
How to set up a professional website on your own using web templates
To create professional websites is not an easy task by any means. There are many things that you got to take into consideration like easy navigation, strategic links, clean coding, professional layout, easy downloading, scanability, usability and...
Spider Friendly Web Pages
First off what is spider friendly navigation? Basically it is how easily search engines can read your website. This ultimately depends on the search engine that is reading your site. Some have the patience to dig deep into your site and promise to...
Web Design and Development The Right Tools for the Right Job
As any webmaster knows, designing and developing a website can be a daunting proposition. There are millions of websites out there to compete with, and whether your site's purpose is to promote your business, inform, or entertain; web ...
Understanding HTML
HTML is a relatively simple language, in some places it is
almost completely readable and understandable but that doesn't
stop people from having problems with it. Why is that? It's
mainly because, while the HTML tags themselves are easy,
creating an HTML document that works as intended on a web server
requires you to know a few extra things that aren't often
explained. Here, then, is a quick guide to understanding those
parts of HTML that they just don't tell you about in the books.
It is meant to work as a check-list for those writing HTML
documents - perhaps with emphasis on all those doing it for the
first time.
Understand Doctypes.
It isn't often noted that valid HMTL documents don't actually
start with the tag - they have one extra tag before it.
This is the doctype, and it must be present right at the top of
your document for it to be valid HTML.
There are only really two doctypes that you really need to know
about. The HTML4 doctype looks like this:
The XHTML one looks like this:
These versions of the doctypes that are a little more forgiving
- if you're a purist, you can use the strict ones instead by
changing the words 'transitional' and 'loose' to 'strict'.
But what is the doctype for? Well, its purpose is simple enough:
it tells web browsers exactly what version of HTML your page was
written in, to help them to interpret it correctly.
Understand HTTP Errors.
A truly shocking number of people writing HTML pages don't know
how HTTP works - and they quickly run into trouble because of
it. HTTP is the way a web browser communicates with a web
server, and this communication includes information about your
pages, such as cookies.
You don't need to worry too much about the internals of HTTP,
but it's worth knowing that it works by the browser sending a
request to the server for a certain page, and the server then
responding with a code.
Your website should be set up to handle error codes well. For
example, a 404 (page not found) error should show a page with
links to the most useful parts of your site. Other common error
codes include:
200 - OK
301 - Page moved.
403 - Forbidden (no authorisation to access).
500 - Internal server error.
For more information, visit www.w3.org/protocols.
Understand MIME Types.
MIME
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types are another part of the HTML header - an important
one. Also known as the content-type header, they tell the
browser what kind of file they are about to send. Browsers don't
rely on HTML files ending in .html, JPEG images ending in .jpeg,
and so on: they rely on the content-type header. If you don't
know about this, you can have problems if you need to configure
your server to send anything unusual.
Here are some common MIME types:
text/html - HTML.
text/css - CSS
text/plain - plain text.
image/gif - GIF image.
image/jpeg - JPEG image.
image/png - PNG image.
audio/mpeg - MP3 audio file.
application/x-shockwave-flash - Flash movie.
Understand Link Paths.
One of the hardest things to understand about HTML is all the
different things that you can put in an 'href' property.
Abbreviated URLs are created using the rules of old text-based
operating systems, and there are plenty of people writing HTML
today who are completely unfamiliar with these rules.
Here are some examples. For each one, the assumption is that the
link is on a page at
http://www.example.com/example1/example1.html.