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How Do Search Engines Work - Web Crawlers
Search Engines use spiders to index websites. When you submit your website pages to a search engine by completing their required submission page, the search engine spider will index your entire site. A 'spider' is an automated program that is run by the search engine system. Spider visits a web site, read the content on the actual site, the site's Meta tags and also follow the links that the site connects. The spider then returns all that information back to a central depository, where the data is indexed. It will visit each link you have on your website and index those sites as well. Some spiders will only index a certain number of pages on your site, so don't create a site with 500 pages!
The spider will periodically return to the sites to check for any information that has changed. The frequency with which this happens is determined by the moderators of the search engine.A spider is almost like a book where it contains the table of contents, the actual content and the links and references for all the websites it finds during its search, and it may index up to a million pages a day.
Keyword Density Balancing
Keyword density is an indicator of the number of times the selected keyword appears in the web page. But mind you, keywords shouldn't be over used, but should be just sufficient enough to appear at important places.If you repeat your keywords with every other word on every line, then your site will probably be rejected as an artificial site or spam site.Keyword density is always expressed as a percentage of the total word content on a given web page.
Suppose you have 100 words on your webpage (not including HMTL code used for writing the web page), and you use a certain keyword for five times in the content. The keyword density on that page is got by simply dividing the total number of keywords, by the total number of words that appear on your web page. So here it is 5 divided by 100 = .05. Because keyword density is a percentage of the total word count on the page, multiply the above by 100, that is 0.05 x 100 = 5%
The accepted standard for a keyword density is between 3% and 5%, to get recognized by the search engines and you should never exceed it.Remember, that this rule applies to every page on your site. It also applies to not just to one keyword but also a set of keywords that relates to a different product or service. The keyword density should always be between 3% and 5%.
Simple steps to check the density
- Copy and paste the content from an individual web page into a word-processing software program like Word or Word Perfect.
- Go to the 'Edit' menu and click 'Select All'. Now go to the 'Tools' menu and select 'Word Count'. Write down the total number of words in the page.
- Now select the 'Find' function on the 'Edit' menu. Go to the 'Replace' tab and type in the keyword you want to find. 'Replace' that word with the same word, so you don't change the text.
- When you complete the replace function, the system will provide a count of the words you replaced. That gives the number of times you have used the keyword in that page.
- Using the total word count for the page and the total number of keywords you can now calculate the keyword density.
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Fetching RSS feed... please stand byUse Keywords In Page Titles
It is recommended to use keywords in page titles itself. This title tag is different from a Meta tag, but it's worth considering it in relation to them. Whatever text one places in the title tag (between the portions) will appear in the title bar of browsers when they view the web page. Some browsers also append whatever you put in the title tag by adding their own name, as for example Microsoft's Internet Explorer or OPERA.
The actual text you use in the title tag is one of the most important factors in how a search engine may decide to rank your web page. In addition, all major web crawlers will use the text of your title tag as the text they use for the title of your page in your listings.If you have designed your website as a series of websites or linked pages and not just a single Home Page, you must bear in mind that each page of your website must be
search engine optimized. The title of each page i.e. the keywords you use on that page and the phrases you use in the content will draw traffic to your site.
The unique combination of these words and phrases and content will draw customers using different
search engine terms and techniques, so be sure you capture all the keywords and phrases you need for each product, service or information page.The most common mistake made by small business owners when they first design their website is to place their business name or firm name in every title of every page. Actually most of your prospective customers do not bother to know the name of your firm until after they have looked at your site and decided it is worth book marking.
So, while you want your business name in the title of the home page, it is probably a waste of valuable keywords and space to put it in the title line of every page on your site. Why not consider putting keywords in the title so that your page will display closer to the top of the search engine listing. Dedicating first three positions for keywords in title avoiding the stop words like 'and', 'at' and the like is crucial in search engine optimization.
The Importance of Search Engines
Search Engine Myths
It is the search engines that finally bring your website to the notice of the prospective customers. When a topic is typed for search, nearly instantly, the search engine will sift through the millions of pages it has indexed about and present you with ones that match your topic. The searched matches are also ranked, so that the most relevant ones come first.Remember that a prospective customer will probably only look at the first 2-3 listings in the search results. So it does matter where your website appears in the search engine ranking.
Further, they all use one of the top 6-7 search engines and these
search engines attract more visitors to websites than anything else. So finally it all depends on which search engines the customers use and how they rank your site.
It is the Keywords that play an important role than any expensive online or offline advertising of your website.
It is found by surveys that a when customers want to find a website for information or to buy a product or service, they find their site in one of the following ways:
- The first option is they find their site through a search engine.
- Secondly they find their site by clicking on a link from another website or page that relates to the topic in which they are interested.
- Occasionally, they find a site by hearing about it from a friend or reading in an article.
Thus it's obvious the the most popular way to find a site, by search engine, represents more than 90% of online users. In other words, only 10% of the people looking for a website will use methods other than search engines.
All search engines employ a ranking algorithm and one of the main rules in a ranking algorithm is to check the location and frequency of keywords on a web page. Don't forget that algorithms also give weightage to link population (number of web pages linking to your site). When performed by a qualified, experienced search engine optimization consultant, your site for high search engine rankings really does work, unless you have a lot of money and can afford to pay the expert. With better knowledge of search engines and how they work, you can also do it on your own.
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- The_Bard The_Bard May 19, 2009 @ 10:18 pm
- Very well explained and a valuable, informative lens. It's certainly enlightened me, and given some useful tips. 5*s!
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- johnrapp johnrapp May 14, 2009 @ 2:30 am
- Another greatly designed lens! 5 Stars, my dear.
John Rapp
Affiliate Internet Marketing University
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- ChineseKitesforKids ChineseKitesforKids Apr 17, 2009 @ 11:21 pm
- trying to figure all this stuff out... thanks for the help
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- SherylAnn SherylAnn Apr 17, 2009 @ 1:08 am
- I really like your lense. Well Done
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