According to the source:"We pulled 15,000 keywords from our Google Keywords Database, which triggered a Featured Video result on the SERP. We took a look at YouTube’s top 10 search results for each of these keywords to check how different video features affect their positions in YouTube search. Based on this data, we gathered a wide range of metrics to assess which of them affect videos’ performance. [...] We used median values instead of average values to compare metrics for different positions since they are more resistant to outliers."
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Search engine traffic referrers to YouTube 2021, by average monthly traffic
In March 2021, the majority of search traffic to YouTube.com came from Google.com, with close to *** million average monthly visits to the popular video platform originating from the search engine. Privacy-oriented search engine DuckDuckGo came in second, averaging ** million visits in the examined period. YouTube.com traffic through Microsoft Bing amounted to *** million visits, making it the third search engine based on monthly referrer traffic volume.
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Semrush. (August 2, 2021). Leading search engine organic traffic referrers to YouTube worldwide in March 2021, by average monthly traffic (in millions) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 01, 2026, from /statistics/1256254/top-search-traffic-referrers-to-youtubecom/
Semrush. "Leading search engine organic traffic referrers to YouTube worldwide in March 2021, by average monthly traffic (in millions)." Chart. August 2, 2021. ÌÇÐÄÆƽâ°æ. Accessed August 01, 2026. /statistics/1256254/top-search-traffic-referrers-to-youtubecom/
Semrush. (2021). Leading search engine organic traffic referrers to YouTube worldwide in March 2021, by average monthly traffic (in millions). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 01, 2026. /statistics/1256254/top-search-traffic-referrers-to-youtubecom/
Semrush. "Leading Search Engine Organic Traffic Referrers to Youtube Worldwide in March 2021, by Average Monthly Traffic (in Millions)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 2 Aug 2021, /statistics/1256254/top-search-traffic-referrers-to-youtubecom/
Semrush, Leading search engine organic traffic referrers to YouTube worldwide in March 2021, by average monthly traffic (in millions) ÌÇÐÄÆƽâ°æ, /statistics/1256254/top-search-traffic-referrers-to-youtubecom/ (last visited August 01, 2026)
Leading search engine organic traffic referrers to YouTube worldwide in March 2021, by average monthly traffic (in millions) [Graph], Semrush, August 2, 2021. [Online]. Available: /statistics/1256254/top-search-traffic-referrers-to-youtubecom/
