To nurture his roots, Jaco Halfon has created and animated extensive Sephardic community websites such as HARISSA.COM (Culture and History of the Jews from Tunisia), DAFINA.NET (Jews from Morocco, ZLABIA.COM (Jews from Algeria) which attract a large international audience.
 HARISSA.COM – Histoire et Culture des Juifs de Tunisie |
| ZLABIA.COM – Histoire et Culture des Juifs d’Algerie |
| DAFINA.NET – Histoire et Culture des Juifs du Maroc |
| JRENCONTRE.COM – Site de Rencontres |
| MOUZIKA.COM – Musics to download |
| VOTREZO.COM – Videos – Networking |
| NEO-REN.COM – Enjoy the Neo-Renaissance |