How Does the BiliBili Video SEO Checker Work?
Paste in a video URL and this tool calls BiliBili's public web API to read that video's title, description, tags, cover image and public statistics. Each factor is scored across six weighted categories: Title (15 pts), Description (20 pts), Tags (15 pts), Thumbnail (15 pts), Engagement (20 pts) and Subtitles plus Duration (15 pts), then combined into an overall score out of 100 with a letter grade.
What Do the Six Categories Check?
- Title: length, since both very short and very long titles score lower than a focused, moderate length title.
- Description: total length for keyword context, plus whether you're using hashtags.
- Tags: how many tags are set on the video, since too few or too many can both hurt discovery.
- Thumbnail: whether a cover image is present on the video.
- Engagement: likes, coins, favorites, danmaku and shares against total plays, BiliBili's real interaction signals.
- Subtitles + Duration: whether CC/subtitles exist and the video sits in a healthy length range.
Is a Low Score a Guarantee of Poor Ranking?
No. This checker only evaluates the on page metadata you control, it cannot see watch completion, session behavior or the many other private signals BiliBili's real recommendation algorithm uses. Treat the score as a quick checklist for fixable on page issues, not a full ranking prediction.
BiliBili Video SEO Checker: Frequently Asked Questions
How is the BiliBili SEO score calculated?
It pulls a video's real title, description, tags, cover, statistics and subtitle availability from BiliBili's public API, then scores it out of 100 across the same six weighted categories used in our YouTube SEO Checker.
Does this tool change anything on my video?
No. It only reads publicly available data through BiliBili's API and never modifies your video, title, description or tags.
Why is my Engagement score different from what I expected?
BiliBili engagement combines likes, coins, favorites, danmaku and shares against total plays, since BiliBili audiences interact through coins and danmaku far more than typical like/comment ratios elsewhere.
Is a low score a guarantee of poor ranking?
No. This only evaluates on page metadata you control, BiliBili's actual recommendation algorithm also weighs watch completion, session behavior and many other signals this tool cannot see.