# LocalVoid VOCALOID Ranking

> LocalVoid (lvchart.com) is a weekly YouTube VOCALOID song ranking chart. Rankings are based on each song's weekly YouTube view-count increase (not cumulative views), tracked continuously every week since December 2022 — 190+ weeks and 7,600+ charted songs. All pages are pre-rendered static HTML, available in Japanese (default) and English. Data is collected via the YouTube Data API v3.

## Charts

- [Latest weekly chart (JP)](https://lvchart.com/): current week's VOCALOID ranking, updated weekly
- [Latest weekly chart (EN)](https://lvchart.com/?lang=en)
- [Weekly archive](https://lvchart.com/archive/): every week since December 2022; weekly URLs use the pattern https://lvchart.com/weekly/YYYY-M-W/ (EN: /en/weekly/YYYY-M-W/)
- [Hall of Fame](https://lvchart.com/chart-toppers.html): every song that has reached #1, grouped by weeks at the top

## Song data

- [Song directory](https://lvchart.com/songs/): all charted songs organized by debut month (EN: /en/songs/)
- Per-song pages at https://lvchart.com/song/YOUTUBE-VIDEO-ID/ (EN: /en/song/YOUTUBE-VIDEO-ID/) with the full week-by-week rank history, peak position, weeks on chart, total view gain, and related songs by the same artist

## About

- [About the site (JP)](https://lvchart.com/about-jp.html) / [EN](https://lvchart.com/about-en.html): methodology, rules, and FAQ
- Eligibility: songs primarily sung by voice synthesizers (VOCALOID, UTAU, CeVIO, Synthesizer V, etc.)
- Songs remain on the chart for a maximum of 12 weeks
- Contact: onlyvoca@gmail.com / X (Twitter) @localvoid4