An SSL, or Secure Socket Layer, is technology that has been developed that allows web browsers and web servers to communicate over a secured connection.

The system uses cryptography that uses two keys to encrypt data  a public key known to everyone and a private or secret key known only to the recipient of the message. It’s a way to encrypt data, like credit cards numbers (as well other personally identifiable information), which prevents the "bad guys" from stealing your information for malicious intent.

The recently introduced SSL v3 improved upon SSL v2 by adding SHA-1 based ciphers, and support for certificate authentication. SSL v2 was known to be flawed in a variety of ways. Identical cryptographic keys are used for message authentication and encryption. The older version did not have any protection for the handshake, meaning a Man-in-the-middle downgrade attack could go undetected.

SSL has recently been succeeded by Transport Layer Security (TLS), which is based on SSL and is included as part of both the Microsoft and Netscape browsers and most Web server products. SSL uses the public-and-private key encryption system from RSA, which also includes the use of a digital certificate.

SSL-enabled client software can use standard techniques of public-key cryptography to check that a server's certificate and public ID are valid and have been issued by a certificate authority (CA) listed in the client's list of trusted CAs. Client authentication allows a server to confirm a user's identity. It’s a way to assure a client that they are dealing with the real server they intended to connect to. It can prevent any unauthorized clients from connecting to the server, preventing anyone from meddling with data going to or coming from the server.

From the very beginning SSL was designed to provide security between client and server, and to avoid any kind of 3-way man-in-the-middle attack.

Conceptually it’s quite simple: it negotiates the cryptography algorithms and keys between two sides of a communication, and establishes an encrypted tunnel through which other protocols (like HTTP) can be transported. It can also be easily passed through firewalls and proxies, as well as through NAT (Network Address Translation) without issues.

If you have ever been to a "bad" website, you didn't need an expert to tell you it was a bust. Maybe you didn't know exactly why it was bad, but dysfunctional web sites tend to exhibit similarities that make them unlikely success stories.

For instance, have you ever visited a site and wondered "what are they selling anyway?" I know I have. I get frustrated with websites like these and quickly start my search again for a website that focuses on the information I was looking for.

A well designed website can either make or break your website success. The tips below will help you get started and to learn what works for a successful website. These tips are by no means all-inclusive; you will also learn a lot through "trial and error" just as with any brick and mortar business. These tips will however, help you to avoid web blunders that hinder even more seasoned web developers and designers.

Must-Have Tip #1 - Make it clear what you do. Find a niche market and don't try to be a "jack of all trades" selling multiple and unrelated products, services, or information. Instead, figure out who your target market will be, and what products and/or services you provide that will appeal to this market. Then, stay on topic; don't throw in a bunch of irrelevant information just to try and lure visitors. They will resent the deception and you'll lose customers.

Note: It is very important to note that search engine crawlers index and categorize your website based on the text and content you provide on each page. The content on each page is also compared to all other pages on your site, so having a cohesive set of pages that focus on your niche product or service is always better than trying to provide too many products or services.

Must-Have Tip #2 - Do your visitors know how to contact you? You would be surprised how many websites leave no way for a customer to contact them with questions or to order their products and services. Think about it this way: if you stopped into a store that provided widgets, and no one was around to help you or answer questions, how comfortable would you feel spending money with that company? You wouldn't, of course, because if they can't even make themselves available for questions before the sale, they certainly won't take time for you after the sale.

If you worry about getting too much spam, or receiving unwanted phone calls by leaving your contact information on your site, make sure to add your business phone to the federal "Do Not Call" list, and use a contact form instead of just providing your email address. This won't eliminate the problem of spam (what does?) but it will make it more difficult to abuse your contact information.

Note: Always respond to email in a timely manner. Treat them as you would any business phone call. Customers typically expect a higher-than-average response rate when shopping or doing business on the internet; if it takes you longer than 24 hours to respond to an email you will probably lose a customer. Even an "I received your email and will respond to your question shortly" is better than waiting too long to get back to a customer.

Must-Have Tip #3 - Don't use flash introductory pages. Everyone knows they are fun and entertaining, but if your site is designed for sales, a business, or for a professional purpose, what will they add to your site? In fact, for many, these are just another added aggravation they have to wade through to get to the information they really want.

Note: If you must use a flash intro, be sure there is a "Skip" feature clearly marked so visitors can bypass it if they choose.

Must-Have Tip #4 - Focus your web copy on satisfying the needs of your customer. Content can make or break the sale, or determine whether a visitor stays or finds another site to shop. Be sure to provide your costumers with unique and interesting words to help pique their interest and differentiate your products and services from your competitor's.

A well-thought through home page and a few articles that prompt a desired action, while simultaneously provide information to help your visitors quickly (in one or two clicks max) find and pay for products and services will keep them interested, and coming back again and again for future information and purchases.

Note: Consider hiring a contact writer if you're at a loss with web content. This may be a significant investment, but the results, and the success of your site, will definitely be worth it in the long run!

Must-Have Tip #5 - Update, update, update. This cannot be stressed enough; if you provide no reason for visitors to show up on your site again, why would they? If the information is the same week after week, month after month, who would want to? Even your local Wal-Mart will provides weekly sales flyers to entice shoppers back to their store! Keep your site fresh and updated!

In closing, I am sure you are reading this article because you want a professional website. If you have programming skills and can write your own code, great! If not, there are many affordable, quality online website builders available; many hosting packages also provide web software and templates. With a little elbow grease and effort, you can build and maintain a successful website as well!

Here are the simple ABC's of web development.

A. Graphics

Graphics is very essential in web development because this is what visitors gauze your site if it is worthy of their time.

So what really makes a graphic to be effective?

First, the graphic should be small. Consider using images that are 10 to 12 KB per image because if you will use larger images, it will slow down your site.

Visitors to your site will likely to leave if your site takes too long to display so it is better that you use images that are attractive and easy to load.

Second, when it comes to graphics, you have to use images that have direct relation to your site. You would not display an image of Hollywood artist to promote the product you are selling, as this will cause confusion to your visitors.

Lastly, blinking graphics are not ideal in web development because blinking objects are really annoying and distract readers. More often readers leave web sites with excessive flash or blinking objects most especially when these objects hinder them from reading the whole web page.

B. Advertising

Advertising is lifeline of web sites and you have to handle them effectively to ensure success of your site.

When in comes to advertising, you have to remember two things, the number of ads and how related it is to your site.

The number of ads should be just enough to give room to other contents of your site. If they are overlapping contents of your site, then maybe that is why your site lags behind in web searches.

Next, you should only post ads that related to products or services offered. If they are related, your readers will likely to open the links to your ads but if they are not related the ads might not be opened.

In the end ads generate income but if they are driving your visitors away, then maybe its time to remove some of your ads and just stick the ones that are related to the content of your site.

C. Web Content

Content is also another essential factor in success of your site. It will be better if you have articles that your visitors can read on a daily or almost weekly basis.

Informative content will likely to increase your visitors as they will bookmark your site and then send your links to other friends and family members to invite them to visit your site as well. But for others to recommend your site, you really have to offer not just ads or graphics but rich and informative content.

For example, you are selling a product, it will be better if the site not just offer the products but also give tips on "how to-" like how to choose, how to use and where to buy.

Meanwhile, if you are maintaining a web blog, make sure that the site is readable and the topics being discussed are really interesting.