Although mobile has been coming on strong as a primary means of computing, it still lags overall desktop internet usage. But for some publishers who started on the web, there are already moments during the week when mobile drives the majority of traffic or sales.

The Guardian’s Anthony Sullivan, group product manager for Guardian Core products at Guardian News & Media, said Monday that mobile — both smartphones and tablets — now contributes about 35 percent of traffic overall. That’s up from 10 percent at the start of 2011, when it was primarily smartphone traffic. (See disclosure below)

But at 6 a.m. to 7 a.m. in the morning local time, the Guardian gets more traffic from mobile devices. It also sees more mobile visitors than desktop visitors on Saturdays at 3 p.m. when the Premier League is under way.

Meanwhile, online design store Fab.com said late last month that on Saturdays…