is the flagship website of the Chabad-Lubavitch Hasidic movement. It serves its own members and Jews worldwide.[1] It was one of the first Jewish internet sites[2] and the first and largest virtual congregation.[3]


In 1988, Rabbi Yosef Yitzchak Kazen, a Chabad rabbi, began creating a Chabad-Lubavitch presence in cyberspace. With the advent of computer communication technology, Kazen recognized its potential for reaching an almost limitless audience, unlimited by geographic and other constraints. Kazen digitized thousands of documents into what became the world's first virtual Jewish library, and enabling thousands of people to learn about Judaism for the first time. served as a model for other Jewish organizations that created their own educational websites.[4]

After Kazen's death in 1998, the site was rolled under the umbrella of the Chabad Lubavitch Media Center directed by Rabbi Zalman Shmotkin. Today, the Chabad Lubavitch Media Center maintains some 1100 websites, including the flagship, specialized holiday sites, and over 1,400 customised sites for local Chabad houses.

Jewish knowledge base has a comprehensive Jewish knowledge base which includes over 100,000 articles of information ranging from basic Judaism to Hasidic philosophy taught from the Chabad point of view. The major categories are the human being, God and man, concepts and ideas, the Torah, the physical world, the Jewish calendar, science and technology, people and events.

There are comprehensive sections on Shabbat, Kosher, Tefillin, Mezuzah, the Jewish way in death and mourning and a concise synagogue companion.

Ask the Rabbi was the pioneer of “Ask the rabbi” sites. Rabbi Yosef Yitzchak Kazen reached out to thousands of people on Fidonet, an online discussion network, as far back as 1988.[5]

In 1994, Kazen launched the first version of Chabad’s “Ask the Rabbi” website. Today’s version, in which 40 rabbis and educators field questions via e-mail, has answered more than 500,000 questions between 2001–2006, averaging about 270 a day.[6] Many people take advantage of the Web’s anonymity to impart experiences and ask for advice from[6]

In an effort to service a female population, also operates's “Dear Rachel”, a similar service which is run by women for women.[6]

Features provides daily, date-specific information relevant to each day from Jewish history, daily Torah study, candle-lighting times, and forthcoming Jewish holidays. maintains a number of sub-sites, including

Statistics and its affiliated sites claim over 43 million visitors per year, and over 365,000 email subscribers.[7]

See also



External links

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