This is the default template when you installed your site agence-seo-biarritz.fr.
You may modify this template if you want, it is located at /home/agence-seo-biarritz-zlgh8/agence-seo-biarritz.fr/agence-seo-biarritz.fr/public/agence-seo-biarritz.fr/index.html
Do you want to use your own custom template when creating new sites? Then follow this easy guide to get your started.