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Media Source Extensions
Media Source Extensions

Media Source Extensions Market Share & Usage Stats

Media Source Extensions (MSE) is a W3C specification that allows JavaScript to send byte streams to media codecs within web browsers that support HTML5 video. Among other possible uses, this allows the implementation of client-side prefetching and buffering code for streaming media entirely in JavaScript.
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Site Totals
628
Market share
<0.01%
Category
Audio Video Media
Sub-category
Audio Video Media
Paid or free
Free
As of February 26, 2026, a total of 628 websites have been identified using this technology. The highest concentration of usage is in United States, showcasing its widespread adoption in the region. Among all sites leveraging this platform, goalstube.online stands out as the most visited, demonstrating the significant role this technology plays in the digital landscape.

Top websites using Media Source Extensions

The largest website using Media Source Extensions is goalstube.online, followed by assessmentday.co.uk


Media Source Extensions usage by country

Media Source Extensions's is primarily used in United States, followed by India and Germany.

Top Countries

India
12.9%
Germany
9.68%
Others
58.06%
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Media Source Extensions

As of February 26, 2026, Media Source Extensions is actively used across various regions, with significant adoption in United States and India.

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Media Source Extensions usage by industry

Media Source Extensions is mostly used in the Computers Electronics and Technology > Programming and Developer Software industry, followed by Computers Electronics and Technology > Computers Electronics and Technology - Other.

Industry
Computers Electronics and Technology > Programming and Developer Software
41.94%
Computers Electronics and Technology > Computers Electronics and Technology - Other
14.52%
Computers Electronics and Technology > Computer Security
9.68%
Other
33.87%
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