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User-Agent: <product> / <product-version> <comment>
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User-Agent: Mozilla/5.0 (<system-information>) <platform> (<platform-details>) <extensions>
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Firefox ç¨æ·ä»£çå符串
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Mozilla/5.0 (platform; rv:geckoversion) Gecko/geckotrail Firefox/firefoxversion
Mozilla/5.0æ¯ä¸ä¸ªéç¨æ è®°ï¼è¡¨ç¤ºæµè§å¨ä¸ Mozilla å ¼å®¹ãåºäºåå²åå ï¼ç°å¨æ¯ç§æµè§å¨å ä¹é½ä¼åéè¿ä¸æ è®°ã- platform æè¿°æµè§å¨è¿è¡çåçå¹³å°ï¼WindowsãMacãLinuxãAndroid çï¼ä»¥åæ¯å¦è¿è¡å¨ææºä¸ãFirefox æä½ç³»ç»ææºä¼æ 注为
Mobileââææ web å³æ¯å¹³å°ã注æï¼platform å¯è½å å«å¤ä¸ªç±â;âåéçæ è®°ã详æ å示ä¾è¯·è§ä¸æã - rv:geckoversion 表示 Gecko å¼æçåå¸çæ¬ï¼ä¾å¦â17.0âï¼ãå¨è¿æçæµè§å¨ä¸ï¼geckoversion ä¸ firefoxversion ç¸åã
- Gecko/geckotrail 表示æµè§å¨åºäº Gecko å¼æãï¼å¨æ¡é¢å¹³å°ä¸ï¼geckotrail å§ç»æ¯åºå®çå符串
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Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:47.0) Gecko/20100101 Firefox/47.0 Mozilla/5.0 (Macintosh; Intel Mac OS X x.y; rv:42.0) Gecko/20100101 Firefox/42.0
Chrome ç¨æ·ä»£çå符串
åºäº Chromeï¼Chromium æ Blink å¼æï¼çæµè§å¨ç¨æ·ä»£çåç¬¦ä¸²ä¸ Firefox ç¸ä¼¼ã为äºä¿æå
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Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36
Opera ç¨æ·ä»£çå符串
Opera æµè§å¨åæ ·æ¯åºäº Blink å¼æï¼è¿å°±æ¯ä¸ºä»ä¹å®çèµ·æ¥ä¸ Chrome ç¨æ·ä»£çå符串å ä¹ä¸æ ·ï¼åªæ¯æ·»å äº "OPR/<version>"ã
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Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36 OPR/38.0.2220.41
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Opera/9.80 (Macintosh; Intel Mac OS X; U; en) Presto/2.2.15 Version/10.00 Opera/9.60 (Windows NT 6.0; U; en) Presto/2.1.1
微软 Edge ç¨æ·ä»£çå符串
Edge æµè§å¨åæ ·åºäº Blink å¼æï¼å®æ·»å äº "Edg/<version>"ã
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Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36 Edg/91.0.864.59
Safari ç¨æ·ä»£çå符串
å¨æ¤ç¤ºä¾ä¸ï¼ç¨æ·ä»£çå符串æ¯ç§»å¨ç Safari ççæ¬ä¿¡æ¯ï¼å
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Mozilla/5.0 (iPhone; CPU iPhone OS 13_5_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.1 Mobile/15E148 Safari/604.1
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Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
Mozilla/5.0 (compatible; YandexAccessibilityBot/3.0; +http://yandex.com/bots)
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curl/7.64.1
PostmanRuntime/7.26.5
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| HTTP Semantics # field.user-agent |