If you want to check the set of URLs then use this program. Write a list of Mots-clé. then run this program. The program show you the set of files with this search string.

This program will be useful for SEO optimization. If you want to build a text you need to Télécharger the text from internet. Then check the texts. Does this text contain Mots-clé you are want. Then mix the text and to build new texts.