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Html optimization |make site load faster

An easy way to cut out bandwidth is simply to cut out unnecessary HTML code, Javascripts and any other components which you simply don’t need. Below, we present to you tips, ideas, and suggestions on how to cut out those non-essential tags and excess HTML which most web designers don’t need and won’t affect visual impact.
Comments

Strip away all comments on your web pages. If you use comments, even at all, then your using up bandwidth. Even though a one line comment may not seem like much, consider the effects of the same comment distributed throughout all your users and on all your webpages. The net effect could result in significant savings over the long term.
Trimming White Space

Remove any excess white space, tabs and carriage returns that you don’t need.
Remove Unnecessary Tags

Often webmasters include tags that don’t need to be closed such as
,

and

. If you are using these tags, delete away as they are unneeded.
Minimize Your Headers

Because no content can be displayed until the header has been read, move all Javascripts to the bottom of your pages and shorten any excess META Tags which you don’t need. For example, often an HTML editor will add a default tag known as the Generator tag such as
Row Alignment

Rather than aligning each cell individually, try aligning the entire row. For example, most designers will use the “align” and “valign” attributes of the TR and TD tags in order to align content. Instead of using these attributes on each TD element, consider using it on each row. For example, consider using: TR align=center|left|right for each row instead of repeating TD align=center|left|right for each cell.
Strip Descriptions From Irrelevant Images

If your using images which do not need a description with the ALT attribute of the image tag, consider stripping away the associated description which are embedded with your images. For example, a typical image tag may appear as: . In this example, consider striiping the alt=”…” portion such that the revised code appears as .
Minimize Image Usage / Image Reuse

Each unique image on your web pages requires an HTTP request. In addition, each HTTP request has a wait latency and requires additional overhead from the browser and server to deliver the image. However, images which are re-used through the cache do not require additional overhead from either side. For this reason, you should try cutting back on image use and try re-using the same images multiple times.
Minimize DHTML Usage

DHTML has some amazing effects but bears a large toll. Some DHTML effects weigh in at 40-60k in accompanying Javascript code. Try using low bandwidth DHTML effects or using Flash as a possible substitute.
Move Client Code to Server Side

Any client-side error checking that is done in VBScript or Javascript should be pushed to the server side. These error-checking scripts often take too much bandwidth and have loopholes which can be more rigoursly enforced if error checking is done on the server. For example, users who have Javascript/VBScript disabled will not go through error checking.
Simplifying Javascripts

Anywhere you use names for your variables or functions in Javascript, try to reduce their length. Instead of using long variable/function names, try limiting them to a single character and using shorter code if possible. As well, try snipping out any comments in your Javascripts which you don’t need.
Use Relative Paths

When creating links to pages on your own domain, use relative paths rather than complete links to your pages. An example shows this best:

A HREF=”http://www.yoursite.com/link_goes_here/” (Absolute Link)
A HREF=”/link_goes/here/” (Relative Link)

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