Using balloons to strengthen the keyword density on your web pages by adding more content to strengthen the optimisation on your web pages is an ethical search engine optimisation technique. To view an example of a balloon go to our homepage (click on logo top right) and hover your cursor over the keyword anchor text links within the content on the page. You will see a grey box pop up with content in. The content within the balloons are read by the search engine spiders so a good avenue to strengthen keyword density on page. The reason the balloons are introduced is for image based web sites that do not want to ruin the look and feel of their website by too much content on page and the balloons compliment the look and feel on the web pages. They are another clever internet marketing technique using by seo companies in the know about the latest search engine optimisation techniques used online in the ever growing seo industry.