By Yelena Shapiro
There are many issues to consider when placing keywords in the text of your pages. Most search engines index the full text of each page, so it's vital to place keywords throughout your text. However, each search engine uses different ranking algorithms. Difficult though it may be, you need to keep all of them in mind.
General rules
Make sure your main page is full of keywords. It has a higher chance of being indexed than your other pages, and it will be the only page indexed by some engines.
Some engines rank a page high if it has at least 100 words , so make that your minimum. Directories include pages based on the quality of their content, so make sure your pages aren't simply lists of keywords.
Key concepts
When creating your pages' content, keep the following four concepts in mind: Keyword prominence, proximity, density and frequency.
Keyword Prominence
Some engines also say the bottom of the page should contain keywords as well.
Beware! Search engines view pages differently than people do. Here's an example:
| Home | About Us | Products |
At Widgets International, our business is selling widgets.
You may think you did pretty well by placing the keyword "widgets" at the top of your page. A search engine, however, sees your page this way:
Home About Us Products At Widgets International, our business is selling widgets
Now your keyword placement doesn't look as good as it did before. Try to place keyword-rich text at the very top of your page. If you are using images at the top of your page, make sure to include ALT tags.
Keyword Proximity
Some engines, such as Google , use the concept of "keyword proximity" as part of their ranking formulas. As suggested by the name, "keyword proximity" means the how close keywords are to each other . Put your keywords as close together as possible and make sure your sentences are clear.
Here's an example:
abc company has been selling puppy food for over 50 years.
abc company Inc has been selling food for your puppies for over 50 years.
The two keywords used are " puppy " and " food ." If a user searches for " puppy food ," the first sentence will rank higher because its keywords are closer to each other.
Keyword Density
Here's an example of how it's measured. Let's assume the keyword phrase is " puppy food ."
Puppy food is our primary business.
Since " is", "our, " and other stop words are usually not counted, there are three "words" in the sentence: " puppy food," "primary," and "business ." " Puppy food" makes 1/3 of the sentence, or 33%.
Keyword density is almost never this high. The recommended density is 3-7% . This means that your keyword should repeat 3-7 times for every 100 words.
Sound easy? Imagine having 10 keywords and trying to repeat each one 3-7 times per 100 words of text -- it's practically impossible. Instead, pick two or three of your most important keywords and try to use them 3-7 times for every 100 words.
Keyword Frequency
Avoid spam
Don't be tempted to use tiny or invisible text to put keywords at the beginning of your pages. Search engines define this behavior as spam and can reject your site for it.
An overview
Keywords in page text
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