ニコ生履歴 is a browser extension designed to enhance the viewing experience of NicoNico Live. This free extension allows users to manage their viewing history and provides various features to make watching live broadcasts more enjoyable.

With ニコ生履歴, users can easily access their viewing history and see a list of the live broadcasts they have watched. It also provides information on the duration of each program, allowing users to keep track of their viewing time. The viewing history can be organized by category, including official broadcasts, channels, and communities. Additionally, users can view the total viewing time for each community they are a part of.

One useful feature of ニコ生履歴 is the ability to view a list of time-shift reservations. Users can easily see their upcoming reservations and manage their viewing schedule.

Please note that some official live broadcasts may not have viewing time information available.

The latest versionof ニコ生履歴 introduced a new feature that allows users to tweet their viewing time.

Overall, ニコ生履歴 is a valuable browser extension for NicoNico Live users who want to manage their viewing history and make the most out of their live broadcast experience.