Search Engine Optimization – Web Crawlers

BreakerBooks.com - Your breakthrough in ebooksThe terms web crawler, automatic indexers, bots, worms, web spiders, and web robots are programs or automated scripts with browse the World Wide Web in a methodical, automated manner. The term web crawler is the most commonly used term.

Web crawlers are a tool used for search engine optimization.

Search engines use web crawlers to provide up to date data and information. Web crawlers provide the requested information by creating copies of web pages that the search engine later processes. Once the information has been processed the search engines indexes the pages and are able to quickly download the pages during a search. The process of web crawling is a key factor in search engine optimization. Search engine optimization is the art and science of making web pages attractive to search engines. Computer people call the process of using a web crawler to rank a website spidering.

Some search engines use web crawlers for maintenance tasks. Web crawlers can also be used for harvesting e-mail addresses. The internet is a gaping ocean of information. In 2000, Lawrence and Giles manufactured a study that indicated the internet search engines have only indexed approximately sixteen percent of the Web. Web crawlers are designed to only download a tiny amount of the available pages. A miniscule sample of what the internet has to offer.

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Search engines use web crawlers because they can fetch and sort data faster than a human could ever hope to. In an effort to maximize the download speed while decreasing the amount of times a webpage is repeated search engines use parallel web crawlers. Parallel web crawlers require a policy for reassigning new URLs. There are two ways to assign URLs. A dynamic assignment is what happens when a web crawler assigns a new URL dynamically. If there is a fixed rule stated from the beginning of the crawl that defines how to assign new URLs to the crawls it is called static assignment.

In order to operate at peak efficiency web crawlers have to have a highly optimized architecture.

URL nominalization is the process of modifying and standardizing a URL in a consistent manner. URL nomalization is sometimes called URL canonicalzation. Web crawlers usually use URL nomilization to avoid multiple crawling of a source.

In an attempt to attract the attention of web crawlers, and subsequently highly ranked, webmasters are constantly redesigning their websites. Many webmasters rely on key word searches. Web crawlers look for the location of keywords, the amount of keywords, and links.

If you are in the process of creating a website try to avoid frames. Some search engines have web crawlers that can not follow frames. Another thing some search engine are unable to read are pages via CGI or database -delivery, if possible try creating static pages and save the database for updates. Symbols in the URL can also confuse web crawlers. You can have the best website in the world and if a web crawler can’t read it probably won’t get the recognition and ranking it deserves.www.tgustore.com

Google and PageRank-Search Engine Optimization’s Dream Team

On September 7 1998, two Stanford University students, Larry Page and Sergey Brin, co-founded Google, a company they started as part of a research project in January 1996. On August 19, 2004 Google had its first public offering, the one point six-seven billion dollars it raised gave it a net worth of twenty-tree billion dollars. As of December 31, 2006 the Mountain View, California based internet search and online advertising company Google Inc. had over ten thousand full time employees. With a 50.8% market share, Google was the most used internet search engine at the end of 2006.

When Larry Page and Sergey Brin began creating Google it was based on the hypothesis that a search engine that could analyze the relationships between the different websites could get better results then the techniques that already existed. In the beginning the system used back links to estimate a websites importance causing its creators to name it Backrub.

Pleased with the results the search engine had on the Stanford University’s website the two students registered the domain google.com on September 14, 1997. A year after registering the domain name Google Inc was incorporated.

Google began to sell advertisements associated with keyword searches in 2000. By using text based advertisements Google was able to maintain an uncluttered page design that encouraged maximum page loading speed. Google sold the keywords based on a combination of clickthroughs and price bids. Bidding on the keywords started at five cents a click.

Google’s simple design quickly attracted a large population of loyal internet users.

Google’s success has allowed it the freedom to create tools and services such as Web applications, business solutions, and advertising networks for the general public and its expanding business environment.

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In 2000 Google launched its advertising creation, AdWords. For a monthly fee Google would both set up and then manage a companies advertising campaign. Google relies on AdWords for the bulk of its revenue. AdWords offers its clients pay-per-click advertising. AdWords provides adverting for local, national, and international distribution. AdWords is able to define several important factors in keywords when and ad is first created to determine how much a client will pay-per-click, if the ad is eligible for ad auction, and how the ad ranks in the auction if it is eligible.

By following a set of guidelines provided by Google, webmasters can ensure that Google’s web crawlers are able to find, index, and rank their websites.

Google offers a variety of webmaster tools that help provide information about add sites, updates, and sitemaps. Google’s webmaster tools will provide statistics and error information about a site. The Google sitemaps will help webmasters know what mages are present on the website.

The major factor behind Google’s success is its web search services. Google uses Page Rank for its search engine optimization program. Page rank is a link analysis algorithm that assigns a numerical weight to every single element of a hyperlinked set of documents, like the World Wide Web. Its purpose is to measure the relative importance within the set. PageRank is a registered trademark of Google. Stanford University owns PageRank’s patent.

Designing a Web Crawler Friendly Web Site

The most successful online businesses all have one thing in common. They all knew how to make search engine optimization work for them.

Search engine optimization is the art and science of making websites attractive to the internet’s search engines. The first step in successfully achieving stellar search engine

optimization is to lure search engine’s web crawlers to your website. Web crawlers are computer programs that the search engines use gather data and index information from the websites. The information the web crawlers gather is used to determine the ranking of a webpage.

One of the fastest ways to hamper a web crawler is to construct a website that has frames. Most search engines have crawlers that can’t penetrate the frames, if they can’t get into a webpage to read it then that webpage remains unindexed and unranked. Two search engines, Google and Inktome, have web crawlers that are capable of penetrating frames. Before submitting your website to a search engine do some research and find out if they have a crawler that is incapable of penetrating any frames.

If you have written frames into your URL it will probably be worth your effort to go back and rewrite your URL’s. Once you have rewritten your URLs you might be surprised to find that the new addresses are easier on humans as well as web crawlers, the frameless URLs are easier to type in documents as links and references.

Once you have rewritten your URL’s it is time to start submitting your website to search engines. Some webmasters like to use an automated search engine submission service. If you decide to go with the submission service you should be aware that there will be a fee involved, the minimum fee is typically fifty-nine US dollars. This price should keep a few URLs on the search engines for a year. Other webmasters like to avoid big fees by submitting their website to individual search engine on their own.

Once your webpage is submitted to a search engine you need to sit down and design a

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crawler page. A crawler page is a webpage that contains nothing else expect links to every single page of your website, Use the title of each page as the as the link text. This will also give you some extra keywords that will help improve the ranking the crawlers assign to your website. Think of the crawler page as a site map to the rest of your website.

Typically, the crawler page won’t appear in the search results. This happens because the page doesn’t have enough text for the crawlers to give that individual page a high ranking, after all its nothing more then a portal to the rest of your site and your human users won’t need to use it. Don’t panic if it crawlers don’t instantly appear to index your website. There are a lot of websites available on the internet that need to be crawled, indexed, and then ranked. It can sometimes take up to three months for a web crawler to get to yours.