Search Engine Optimization FAQ

What is Search Engine Optimization?
What is Search Engine?
What is Spider?
What is Search optimization?
What is Directory?
What is Portal?
What is Meta search?
What is Meta search engine?
What is Robot?
About Dynamic Pages?
How to optimizing Dynamic Content ?

Search Engine Optimization is a technique or a process on the web page.In this process optimize the web page in such a way that your web page came to a heigh rank in the search engines.In this process two factors are come under: Onpage factor and Offpage factor.

A search engine is a program that helps users finds information on the Internet. An automated system sends out a spider to the web and collects site links for its database. When a user types in a keyword or combination of keywords, the spider sorts through the database and ranks the websites in order of relevancy. A search engine is distinguished from a directory and a portal, because its pages are generated by an automated program rather than by human editors. Popular search engines include Ask Jeeves, AltaVista.

A Spider is aprogram that automatically fetches web pages and feeds them to search engines. (It's called a "spider" because it crawls around the web.) Because most web pages contain links to and from other pages, a spider can start almost anywhere. As soon as it recognizes a link to another page, it goes off and fetches it. Large search engines have many spiders working simultaneously. Also known as a crawler.

Search Optimization ia a tactics and techniques that make it easier for spiders to find your page, contributing to higher ranking on a list of search engine results. Basic optimization starts with listing relevant keywords in your metatags and building clear and descriptive words into page copy, title, text hyperlinks, and image file names. It's also important to design your site on a logical link structure and follow standard HTML conventions, avoiding the use of frames, dynamic URLs, Image Maps, and JavaScript for navigation.

Directory ia a compilation of websites reviewed and organized by human editors into useful categories and topics, similar to the organization of the Yellow Pages. Examples of directories are the Google Directory, About.com, and the Open Directory Project.

Portal ia a web page that works as a starting point for a user's session on the Internet. Portals typically include a directory of websites, access to web services and shopping sites, and search functionality powered by a search engine provider. Example of portals is AOL, Netscape, CompuServe, and Earthlink.

Meta Search is a process of searching several databases simultaneously and combining the results.

Meta Search Engine is a search engine that collects results from other search engines and directories and then presents a summary of that information as the results of a search. Currently the top Meta Search Engine is dogpile.com and Go2net.com.

In Robot many search engines use programs called robots sometimes called "spiders", "bots" or "crawlers" to gather web pages for indexing. These programs are not limited to pre-defined list of web pages. They can follow links on pages a form of intelligent agent. The process of following links is called Spidering, wandering or gathering. Intelligent user is identifying the browser and platform used by a visitor.

Types of User agents

Google : googlebot/2.1
Yahoo : Mozzila/4.05
MSN: MSNbot
Altavista: scooter/3.0.3
fast/alltheweb : Mozilla/4.0
Inktomi:slurp/2.0

Dynamic pages exist on the majority of e-commerce sites and many sites which utilize server side technology such as active server pages, php or cgi. A dynamic page in a typical situation may have just one page which could produce hundreds or thousands of variations, depending on parameters passed to a page, which in turn would access a database and collect different information based on the parameters. Search engines have long been unable to handle these, although Google can and will index dynamic pages, it will limit the number of pages. Why the limitation? - The Google bot could crash a web server if it spider every possible occurrence of a dynamic page in a short space of time, for this reason the number of dynamic pages that it will index is limited. This Meta data has physical limits in size and the amount that is recognized/ignored by search engines varies. The recommended maximum size (in characters) for the description tag is 200 characters; for keywords, the maximum would be between 800 and 1000 characters.

Use static URLs to reference dynamic content.
If a search engine sees a static URL, it is more likely to index the content at that URL than if it found the same content under a dynamic URL. Therefore, you can turn your dynamic URLs into static URLs despite the fact that you are serving dynamic content. There are a number of ways of achieving this, and your method will vary depending upon your server and other factors. To go into all of these methods is beyond the scope of this interview; however, you can visit the following sites for two popular servers: Apache and ASP

Link to dynamic URLs from static URL content.
With limited resources, it may prove difficult or impossible for you to implement a solution based on static URLs. Don't worry! There are other things you can do.

Over the years, the engines have tried to find ways of crawling dynamic content while avoiding dynamic spider traps. One technique they use is crawling dynamic URLs that are linked to from pages with static URLs. For example, if you give your site map page a static URL, but have links to dynamic URLs within its content, there's a good chance that the leading engines will crawl those links. If they like the content they find there, they will index that content. The search engines' reasoning here seems to be, "If you're prepared to link to this content, then so are we."

You can reinforce this reasoning by negotiating links to your dynamic URLs from pages on other sites (especially high-quality pages which are already indexed). Again, the search engines' reasoning here is "If other sites are prepared to link to your site, then so will we." If others won't link to your dynamic content, that might give you some idea why search engines won't either! If it proves impossible to get links to your dynamic content from other sites, then you can't expect a search engine to link to your site either.

Pay for inclusion whenever possible

AltaVista, Ask Jeeves/TEOMA, FAST and Inktomi offer one or more means of paying for individual URLs to be spidered. You can use these paid-inclusion programs to get your dynamic URLs indexed.Paid-inclusion programs only affect inclusion and do not influence ranking, so it is still important to make sure your dynamic content is well optimized. For more details see the Add-URL pages of the respective search engines.

Conclusions:

Search engines have problems creating links to dynamic content.

If you can recognize these problems, you are halfway to getting your dynamic content indexed.

Where practical, use static URLs to reference dynamic content.

Otherwise, try to ensure your dynamic URL is linked to by content referenced by static URLs.

Consider using paid-inclusion programs.

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