A Lipsum is a text used as a substitute in the absence of the final text of a model or a website. Lipsum comes from the contraction of the best known alternative texts: "" Lorem ipsum "". This type of text is also called white text, fake text, false, fill text replacement text. 

The use of dummy text is common since the 16th century in the print media and composition. The false content has been democratized in the 60s when the company specialized in typo Letraset, published planks with Lorem Ipsum. In the computer age, many software for word processing or page layout using these texts as the default template, hence its presence on construction sites.