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[H333]High Performance Parts For

by Harry Sre, Har

Today most developers look at the performance considerations after launching the application in Production which is primary reason failures of lot of applications. Performance requirements should be considered from the initial design all the way to production launch. This series is going to describe how high performance can be achieved on the client side (Browsers), Server Side (App Server) and on the DB.

This first part will give some basic tips on improving client side tuning:

1. Reduce the round trips to the server by combining multiple JS files into one JS file.

2. Reduce the round trips to the server by combining the multiple CSS files to single CSS file.

3. Set Expires header attribute on everything you can into future based on your needs. This tells the browser it is okay to not revalidate on every request, which can add latency of at least one round-trip per object per page load for no reason. Particularly ensure directory where images are stored has Expires Header attributes set to enable the Browser caching. Just by reducing the 304 status calls to your web server would minimize the load on the web server and improves the page response time.

4. Externalize the JS code to separate JS file and include it and ensure JS files directory on the web server has caching turned on. You need to change the name of file if you make any changes else browser won't download the latest JS files.

5. Make use of CSS attributes instead of using STYLE attribute in the individual HTML elements. Browsers renders pages faster with CSS class attributes than STYLE attributes.

6. Minimize the HTTP response size by enabling GZIP or any compression on the web server. Most modern supports GZIP compression and this reduces the page load time dramatically.

7. You can also improve the response time by adding parallelism to your content. Most browsers limits two concurrent connections to the single host by creating CNAMEs to the same domain you can make use of todays high bandwidth and reduce the response time. Its not advised to have more than 4 aliases to the same domain name. Having more than four aliases/CNAMEs create undesired effects.

8. Minimize the number of domains referenced in the web page. Each host name adds the overhead of an extra DNS entry lookup and an extra TCP three-way handshake. So too many domains referenced in the same page may cause an unexpected delay in the response time.

9. Minimize HTTP request size. Often cookies are set domain-wide, which means they are also unnecessarily sent by the browser with every image request from within that domain.

By implementing the above tips mentioned which doesn't involve any code changes and just by making these environmental related changes you can improve the response time of your pages dramatically and enhance the user's perception about your site.

Today's AJAX based web applications has become quite common and in the next part we will discuss about tips to improve the performance of your JavaScript code.

Below are your top 7 essential ingredients for cultivating greatness within your own business:

1. KNOW WHAT YOUR BUSINESS STANDS FOR AND LIVE THOSE VALUES.
More than ever, today, customers don't just ask “what products do you offer?” They also ask “what values do you stand for?” What values does your business stand for? What practices have you developed to live those values daily?

2. KNOW YOUR COMPELLING "WHY."
Viktor Frankl, the great Austrian psychiatrist, said it best: “Success, like happiness, cannot be pursued; it must ensue ... as the unintended side effect of one's personal dedication to a cause greater than oneself.” For what “transcendent” purpose does your business exist? How does your business make a difference in your customers' lives?

3. ALWAYS SEEK THE EDGE.
In 1954, Roger Bannister did the seemingly “impossible” and ran the first 4 minute mile. When asked how he did it, he said “It's the ability to take more out of yourself than you've got.'" How can you “take more out of yourself than you've got” to achieve the seemingly impossible in your business?

4. DARE TO BE DIFFERENT.
Contrarians are the change agents in the business world. These wealth-building businesses are not simply “executing better” -- they're radically changing the rules of the success game in their field or industry. Where in your business can you break the rules? How can you set yourself apart from the crowd in your industry?

5. FIND MODELS OF GREATNESS.
Within every industry, every geography, every career path, there are examples of greatness everywhere. Find those people, those businesses that inspire you the most. What is it about them you would like to emulate? What changes can you make today to be like them?

6. KNOW THE END IN MIND.
Great businesses **decide** their future. They are not dictated by it. They know exactly where they want to be, by when, how, and then persist in getting there. What decisions have you made about your business future? What do you need to decide differently in order to have a great outcome?

7. COMMIT TO PERSONAL GREATNESS.
Your business is a direct reflection of where you are at. It only grows as quickly as you do. To build a great business, you must commit to your own personal greatness. How do you define personal greatness for yourself? What changes can you make to unleash your own greatness?

Article Source : Cheap New Laptop Computers

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Both Harry Sre & Denise Corcoran are contributors for EditorialToday. The above articles have been edited for relevancy and timeliness. All write-ups, reviews, tips and guides published by EditorialToday.com and its partners or affiliates are for informational purposes only. They should not be used for any legal or any other type of advice. We do not endorse any author, contributor, writer or article posted by our team.

Harry Sre has sinced written about articles on various topics from Computers and The Internet. You can find more niche articles like these at .. Harry Sre's top article generates over 6600 views. to your Favourites.

Denise Corcoran has sinced written about articles on various topics from Types of Cancer, Bankruptcy Law and Computers and The Internet. . Denise Corcoran's top article generates over 6600 views. to your Favourites.