The importance of keywords in Search Engine Optimization is not hidden from anybody and every webmaster tries to make efficient use of keywords or keyword phrases to achieve high search engine ranking. Since keywords hold a significant place in a website content, their proper use is also highly essential given that search engines neither accept the website with less keywords and even penalize the sites for excessive use, as you must have heard of keyword stuffing. Here comes the concept of Keyword Density which is a mathematical measure of number of keywords used in a web page and is also one of the factors in Search Engine Optimization.
What exactly is Keywords Density?
It is the percentage of Keywords or keyword phrases used to the rest of the content on a web page.
Formula:
Keyword Density = (No of times keywords are used ÷ Total number of words) × 100
To say for example, a web page has 400 words, and it has used a keyword for 8 times, then its keyword density would be 2%.
Best Keyword Density:
There are varied views as to which percentage of keyword density is best for a page; however it is generally agreed upon that Keyword density of 1-3 % is appropriate.
Keyword Density Tools:
Keyword Density tools are used to check the density for a keyword in a web page to find out whether is it is optimized for search engines. If not, required corrections can be done to make it search engine friendly.
There are many online tools like Keyword Density Checker to check keyword density.


