If you randomly enter a YouTube identifier, what percentage of the videos you get will be legitimate?
Each video on YouTube is assigned a unique 11-character identifier, and researchers created and used a tool that randomly inputs this identifier to check whether it was used in a real video.
View of Dialing for Videos: A Random Sample of YouTube
YouTube by the numbers: uncovering YouTube's ghost town of billions of unwatched, ignored videos | TechSpot
https://www.techspot.com/news/106791-youtube-numbers-uncovering-youtube-ghost-town-billions-unwatched.html
The identifier can be found in the URL of the video. For example, in the following video, the identifier is 'fJo7BFf8CEI' at the end of the URL 'https://www.youtube.com/watch?v=fJo7BFf8CEI'.
A movie of a piggy bank with a funny face 'FACE BANK' in action - YouTube
According to Ryan McGrady and others from the University of Massachusetts Amherst, there are 18 quintillion possible identifiers based on character combinations.
McGrady and his colleagues wanted to determine an accurate way to measure how many videos there are on YouTube, so they decided to look up videos using a reverse lookup of their identifiers.
Using a homemade tool, they first tried over 18 trillion identifiers, and found about 10,000 videos, which is about 0.0000000556%.
In addition, 1,000 of the hit videos were randomly selected and visually reviewed, revealing several trends in terms of number of views, video style, etc.
Looking at videos with fewer than 100 views, the most common was videos with 0 views, followed by 3. The median number of views across all videos was just 41.
The average number of comments was 5.32, the median was 0, and the maximum was 856. In addition, most videos (72.64%) had no comments.
The average number of likes in the sample was 16.48, with a median of 0. Additionally, videos with no likes were slightly more common than videos with no comments.
The costs of video production were also surprisingly low, with only 14% using professional sets or backgrounds, and even when narrowed down to those that showed signs of editing, only 38%. More than half were shaky, and 85% had poor audio quality.
In terms of video length, 6.24% were under 10 seconds, 37.94% were under 1 minute, and 81.77% were under 10 minutes. Only 3.9% of videos were over an hour long, with the average being 615 seconds (just over 10 minutes).
In addition, when comparing the length of videos under 60 seconds, 15-second videos stood out. This is thought to be because YouTube's rival TikTok has a default length of 15 seconds, and TikTok videos are being reposted.
Additionally, the most common 'category' set for videos was 'People & Blogs.'
Based on this survey, McGrady and his colleagues have created and published a statistics website called ' TubeStats .' According to McGrady and his colleagues, it is estimated that there will be more than 14.8 billion videos on YouTube as of June 2024. 14.8 billion is about 0.0000000822% of 18 quintillion.
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