It is common when your website is getting more and more traffic then there are more and more chances of increasing the web page rank of your website. Google specifically uses something known as LSI or latent semantic indexing to determine the page rank of a website, if the content on a page is topically related to your site and if your anchor text makes sense.
Some people have views that short keywords improve the web page rank as compare to multiple keywords. The reality is that if you have multiple keywords for your site which are relevant to your content then it will be much easier for people to get access to your site by clicking any keyword that matches your site. It is also important your keywords must be related to the content of your site itself, therefore placing the keywords in right position & location. It is also important that keywords related to your Domain name & title tags. Another thing to do to improve any search engine optimization campaign is to bold any keyword text inside your content.
The most important thing is that your key words should have the reflection of your products or services which you are offering or advertising .So use only those keywords which are related to your content, and your website. When anybody will search for that product or services which you are offering or selling, on the search engines that will be find your products or services on the top of the search engine results if you will have the perfect keywords.
Before the selections of the keywords you must have to analyze your website content which is the vital thing which you must have in the keyword selection method or technique. You have to select only that key word which repeats on your website again and again and also that is related to your services. If you will put that keywords in your website which are not according to your content, and you just impose them into your website as a keywords. That will give no special results.
Your key words must be prominent in the text or content of your website; it should be bold and italic, keywords text size also should be large than normal text size. Final thing after the selection of the keywords is the place to put the keywords, you can put your keyword into the website title. Your title can not more than 83 words by the Google point of view, you can also starts the link with the keyword, can use the internal links between the body content.