The earthquake that hit Japan on March 11 hit Japan’s web industry in different ways. Kakaku.com says that they suffered badly in the days after the quake (-30% daily users for Kakaku itself, and even -40% for restaurant service Tabelog) but saw a quick recovery as far as traffic is concerned.
This chart shows the number of daily users on Kakaku and Tabelog between March 1 and May 10, 2011:
In April 2011, both page views and number of users were up year-on-year for Kakaku and Tabelog, as you can see below.
Chart for Kakaku:
Tabelog:
