Must an internet café be closed, and non-Muslim customers sent out, at the time of the Friday prayer?

The shop must be closed at the time of the Friday prayer out of respect for its time and so that people are not distracted from it, even if those inside are not obligated to attend the Friday prayer. This should be announced beforehand. The five daily prayers must be performed at their appointed times, because work that distracts from prayer has no blessing in it. As for internet cafes, they are a double-edged sword; if used for good, they are beneficial and their owner profits. However, if they are used to visit forbidden websites, it is not permissible for a Muslim to assist in that. It is necessary to stipulate to customers that they are not to access such sites and to block forbidden websites; otherwise, one would be aiding in sin and transgression.