User Agent Parser
Parse and analyze user agent strings to identify browser, OS, and device.
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Parsing User-Agent Strings and Migrating to Client Hints
Anatomy of HTTP User-Agent headers, browser and OS detection heuristics, and adopting modern Sec-CH-UA Client Hints.
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Search CSS, JavaScript, and DOM APIs with Baseline status and Chrome, Firefox, and Safari minimum versions — offline, in your browser.
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