How it Works
Keyword Cloud is a visual depiction of keywords used on a website, keywords having higer density are depicted in a larger fonts.
Ideally your main keywords should appear in larger fonts at the start of the cloud.
Keyword Density is the percentage of occurrence of your keywords to the text in the rest of your webpage.
It is important for your main keywords to have the correct keyword density to rank well in Search Engines.
This tool will crawl the given URL, extract text as a search engine would, remove common stop words and Analyze the density of the keywords.
How to Avoid SEO over-optimization
This article shows how to avoid SEO over-optimization (and black hat SEO tricks) because intentional or unintentional over-optimization might turn into a real nightmare in terms of search engine ranking or it can even lead to temporary or permanent ban from search engines.